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TOMOYO Linux Cross Reference
Linux/tools/testing/ktest/ktest.pl

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /tools/testing/ktest/ktest.pl (Version linux-6.12-rc7) and /tools/testing/ktest/ktest.pl (Version linux-4.15.18)


  1 #!/usr/bin/perl -w                                  1 #!/usr/bin/perl -w
  2 # SPDX-License-Identifier: GPL-2.0-only        << 
  3 #                                                   2 #
  4 # Copyright 2010 - Steven Rostedt <srostedt@red      3 # Copyright 2010 - Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.
                                                   >>   4 # Licensed under the terms of the GNU GPL License version 2
  5 #                                                   5 #
  6                                                     6 
  7 use strict;                                         7 use strict;
  8 use IPC::Open2;                                     8 use IPC::Open2;
  9 use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);           9 use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
 10 use File::Path qw(mkpath);                         10 use File::Path qw(mkpath);
 11 use File::Copy qw(cp);                             11 use File::Copy qw(cp);
 12 use FileHandle;                                    12 use FileHandle;
 13 use FindBin;                                   << 
 14 use IO::Handle;                                << 
 15                                                    13 
 16 my $VERSION = "0.2";                               14 my $VERSION = "0.2";
 17                                                    15 
 18 $| = 1;                                            16 $| = 1;
 19                                                    17 
 20 my %opt;                                           18 my %opt;
 21 my %repeat_tests;                                  19 my %repeat_tests;
 22 my %repeats;                                       20 my %repeats;
 23 my %evals;                                         21 my %evals;
 24                                                    22 
 25 #default opts                                      23 #default opts
 26 my %default = (                                    24 my %default = (
 27     "MAILER"                    => "sendmail", << 
 28     "EMAIL_ON_ERROR"            => 1,          << 
 29     "EMAIL_WHEN_FINISHED"       => 1,          << 
 30     "EMAIL_WHEN_CANCELED"       => 0,          << 
 31     "EMAIL_WHEN_STARTED"        => 0,          << 
 32     "NUM_TESTS"                 => 1,              25     "NUM_TESTS"                 => 1,
 33     "TEST_TYPE"                 => "build",        26     "TEST_TYPE"                 => "build",
 34     "BUILD_TYPE"                => "oldconfig" !!  27     "BUILD_TYPE"                => "randconfig",
 35     "MAKE_CMD"                  => "make",         28     "MAKE_CMD"                  => "make",
 36     "CLOSE_CONSOLE_SIGNAL"      => "INT",          29     "CLOSE_CONSOLE_SIGNAL"      => "INT",
 37     "TIMEOUT"                   => 120,            30     "TIMEOUT"                   => 120,
 38     "TMP_DIR"                   => "/tmp/ktest     31     "TMP_DIR"                   => "/tmp/ktest/\${MACHINE}",
 39     "SLEEP_TIME"                => 60,         !!  32     "SLEEP_TIME"                => 60,  # sleep time between tests
 40     "BUILD_NOCLEAN"             => 0,              33     "BUILD_NOCLEAN"             => 0,
 41     "REBOOT_ON_ERROR"           => 0,              34     "REBOOT_ON_ERROR"           => 0,
 42     "POWEROFF_ON_ERROR"         => 0,              35     "POWEROFF_ON_ERROR"         => 0,
 43     "REBOOT_ON_SUCCESS"         => 1,              36     "REBOOT_ON_SUCCESS"         => 1,
 44     "POWEROFF_ON_SUCCESS"       => 0,              37     "POWEROFF_ON_SUCCESS"       => 0,
 45     "BUILD_OPTIONS"             => "",             38     "BUILD_OPTIONS"             => "",
 46     "BISECT_SLEEP_TIME"         => 60,         !!  39     "BISECT_SLEEP_TIME"         => 60,   # sleep time between bisects
 47     "PATCHCHECK_SLEEP_TIME"     => 60,         !!  40     "PATCHCHECK_SLEEP_TIME"     => 60, # sleep time between patch checks
 48     "CLEAR_LOG"                 => 0,              41     "CLEAR_LOG"                 => 0,
 49     "BISECT_MANUAL"             => 0,              42     "BISECT_MANUAL"             => 0,
 50     "BISECT_SKIP"               => 1,              43     "BISECT_SKIP"               => 1,
 51     "BISECT_TRIES"              => 1,              44     "BISECT_TRIES"              => 1,
 52     "MIN_CONFIG_TYPE"           => "boot",         45     "MIN_CONFIG_TYPE"           => "boot",
 53     "SUCCESS_LINE"              => "login:",       46     "SUCCESS_LINE"              => "login:",
 54     "DETECT_TRIPLE_FAULT"       => 1,              47     "DETECT_TRIPLE_FAULT"       => 1,
 55     "NO_INSTALL"                => 0,              48     "NO_INSTALL"                => 0,
 56     "BOOTED_TIMEOUT"            => 1,              49     "BOOTED_TIMEOUT"            => 1,
 57     "DIE_ON_FAILURE"            => 1,              50     "DIE_ON_FAILURE"            => 1,
 58     "SSH_EXEC"                  => "ssh \$SSH_     51     "SSH_EXEC"                  => "ssh \$SSH_USER\@\$MACHINE \$SSH_COMMAND",
 59     "SCP_TO_TARGET"             => "scp \$SRC_     52     "SCP_TO_TARGET"             => "scp \$SRC_FILE \$SSH_USER\@\$MACHINE:\$DST_FILE",
 60     "SCP_TO_TARGET_INSTALL"     => "\${SCP_TO_     53     "SCP_TO_TARGET_INSTALL"     => "\${SCP_TO_TARGET}",
 61     "REBOOT"                    => "ssh \$SSH_     54     "REBOOT"                    => "ssh \$SSH_USER\@\$MACHINE reboot",
 62     "REBOOT_RETURN_CODE"        => 255,        << 
 63     "STOP_AFTER_SUCCESS"        => 10,             55     "STOP_AFTER_SUCCESS"        => 10,
 64     "STOP_AFTER_FAILURE"        => 60,             56     "STOP_AFTER_FAILURE"        => 60,
 65     "STOP_TEST_AFTER"           => 600,            57     "STOP_TEST_AFTER"           => 600,
 66     "MAX_MONITOR_WAIT"          => 1800,           58     "MAX_MONITOR_WAIT"          => 1800,
 67     "GRUB_REBOOT"               => "grub2-rebo     59     "GRUB_REBOOT"               => "grub2-reboot",
 68     "GRUB_BLS_GET"              => "grubby --i << 
 69     "SYSLINUX"                  => "extlinux",     60     "SYSLINUX"                  => "extlinux",
 70     "SYSLINUX_PATH"             => "/boot/extl     61     "SYSLINUX_PATH"             => "/boot/extlinux",
 71     "CONNECT_TIMEOUT"           => 25,         << 
 72                                                    62 
 73 # required, and we will ask users if they don'     63 # required, and we will ask users if they don't have them but we keep the default
 74 # value something that is common.                  64 # value something that is common.
 75     "REBOOT_TYPE"               => "grub",         65     "REBOOT_TYPE"               => "grub",
 76     "LOCALVERSION"              => "-test",        66     "LOCALVERSION"              => "-test",
 77     "SSH_USER"                  => "root",         67     "SSH_USER"                  => "root",
 78     "BUILD_TARGET"              => "arch/x86/b     68     "BUILD_TARGET"              => "arch/x86/boot/bzImage",
 79     "TARGET_IMAGE"              => "/boot/vmli     69     "TARGET_IMAGE"              => "/boot/vmlinuz-test",
 80                                                    70 
 81     "LOG_FILE"                  => undef,          71     "LOG_FILE"                  => undef,
 82     "IGNORE_UNUSED"             => 0,              72     "IGNORE_UNUSED"             => 0,
 83 );                                                 73 );
 84                                                    74 
 85 my $test_log_start = 0;                        << 
 86                                                << 
 87 my $ktest_config = "ktest.conf";                   75 my $ktest_config = "ktest.conf";
 88 my $version;                                       76 my $version;
 89 my $have_version = 0;                              77 my $have_version = 0;
 90 my $machine;                                       78 my $machine;
 91 my $last_machine;                                  79 my $last_machine;
 92 my $ssh_user;                                      80 my $ssh_user;
 93 my $tmpdir;                                        81 my $tmpdir;
 94 my $builddir;                                      82 my $builddir;
 95 my $outputdir;                                     83 my $outputdir;
 96 my $output_config;                                 84 my $output_config;
 97 my $test_type;                                     85 my $test_type;
 98 my $build_type;                                    86 my $build_type;
 99 my $build_options;                                 87 my $build_options;
100 my $final_post_ktest;                              88 my $final_post_ktest;
101 my $pre_ktest;                                     89 my $pre_ktest;
102 my $post_ktest;                                    90 my $post_ktest;
103 my $pre_test;                                      91 my $pre_test;
104 my $pre_test_die;                              << 
105 my $post_test;                                     92 my $post_test;
106 my $pre_build;                                     93 my $pre_build;
107 my $post_build;                                    94 my $post_build;
108 my $pre_build_die;                                 95 my $pre_build_die;
109 my $post_build_die;                                96 my $post_build_die;
110 my $reboot_type;                                   97 my $reboot_type;
111 my $reboot_script;                                 98 my $reboot_script;
112 my $power_cycle;                                   99 my $power_cycle;
113 my $reboot;                                       100 my $reboot;
114 my $reboot_return_code;                        << 
115 my $reboot_on_error;                              101 my $reboot_on_error;
116 my $switch_to_good;                               102 my $switch_to_good;
117 my $switch_to_test;                               103 my $switch_to_test;
118 my $poweroff_on_error;                            104 my $poweroff_on_error;
119 my $reboot_on_success;                            105 my $reboot_on_success;
120 my $die_on_failure;                               106 my $die_on_failure;
121 my $powercycle_after_reboot;                      107 my $powercycle_after_reboot;
122 my $poweroff_after_halt;                          108 my $poweroff_after_halt;
123 my $max_monitor_wait;                             109 my $max_monitor_wait;
124 my $ssh_exec;                                     110 my $ssh_exec;
125 my $scp_to_target;                                111 my $scp_to_target;
126 my $scp_to_target_install;                        112 my $scp_to_target_install;
127 my $power_off;                                    113 my $power_off;
128 my $grub_menu;                                    114 my $grub_menu;
129 my $last_grub_menu;                               115 my $last_grub_menu;
130 my $grub_file;                                    116 my $grub_file;
131 my $grub_number;                                  117 my $grub_number;
132 my $grub_reboot;                                  118 my $grub_reboot;
133 my $grub_bls_get;                              << 
134 my $syslinux;                                     119 my $syslinux;
135 my $syslinux_path;                                120 my $syslinux_path;
136 my $syslinux_label;                               121 my $syslinux_label;
137 my $target;                                       122 my $target;
138 my $make;                                         123 my $make;
139 my $pre_install;                                  124 my $pre_install;
140 my $post_install;                                 125 my $post_install;
141 my $no_install;                                   126 my $no_install;
142 my $noclean;                                      127 my $noclean;
143 my $minconfig;                                    128 my $minconfig;
144 my $start_minconfig;                              129 my $start_minconfig;
145 my $start_minconfig_defined;                      130 my $start_minconfig_defined;
146 my $output_minconfig;                             131 my $output_minconfig;
147 my $minconfig_type;                               132 my $minconfig_type;
148 my $use_output_minconfig;                         133 my $use_output_minconfig;
149 my $warnings_file;                                134 my $warnings_file;
150 my $ignore_config;                                135 my $ignore_config;
151 my $ignore_errors;                                136 my $ignore_errors;
152 my $addconfig;                                    137 my $addconfig;
153 my $in_bisect = 0;                                138 my $in_bisect = 0;
154 my $bisect_bad_commit = "";                       139 my $bisect_bad_commit = "";
155 my $reverse_bisect;                               140 my $reverse_bisect;
156 my $bisect_manual;                                141 my $bisect_manual;
157 my $bisect_skip;                                  142 my $bisect_skip;
158 my $bisect_tries;                                 143 my $bisect_tries;
159 my $config_bisect_good;                           144 my $config_bisect_good;
160 my $bisect_ret_good;                              145 my $bisect_ret_good;
161 my $bisect_ret_bad;                               146 my $bisect_ret_bad;
162 my $bisect_ret_skip;                              147 my $bisect_ret_skip;
163 my $bisect_ret_abort;                             148 my $bisect_ret_abort;
164 my $bisect_ret_default;                           149 my $bisect_ret_default;
165 my $in_patchcheck = 0;                            150 my $in_patchcheck = 0;
166 my $run_test;                                     151 my $run_test;
167 my $buildlog;                                     152 my $buildlog;
168 my $testlog;                                      153 my $testlog;
169 my $dmesg;                                        154 my $dmesg;
170 my $monitor_fp;                                   155 my $monitor_fp;
171 my $monitor_pid;                                  156 my $monitor_pid;
172 my $monitor_cnt = 0;                              157 my $monitor_cnt = 0;
173 my $sleep_time;                                   158 my $sleep_time;
174 my $bisect_sleep_time;                            159 my $bisect_sleep_time;
175 my $patchcheck_sleep_time;                        160 my $patchcheck_sleep_time;
176 my $ignore_warnings;                              161 my $ignore_warnings;
177 my $store_failures;                               162 my $store_failures;
178 my $store_successes;                              163 my $store_successes;
179 my $test_name;                                    164 my $test_name;
180 my $timeout;                                      165 my $timeout;
181 my $run_timeout;                               << 
182 my $connect_timeout;                           << 
183 my $config_bisect_exec;                        << 
184 my $booted_timeout;                               166 my $booted_timeout;
185 my $detect_triplefault;                           167 my $detect_triplefault;
186 my $console;                                      168 my $console;
187 my $close_console_signal;                         169 my $close_console_signal;
188 my $reboot_success_line;                          170 my $reboot_success_line;
189 my $success_line;                                 171 my $success_line;
190 my $stop_after_success;                           172 my $stop_after_success;
191 my $stop_after_failure;                           173 my $stop_after_failure;
192 my $stop_test_after;                              174 my $stop_test_after;
193 my $build_target;                                 175 my $build_target;
194 my $target_image;                                 176 my $target_image;
195 my $checkout;                                     177 my $checkout;
196 my $localversion;                                 178 my $localversion;
197 my $iteration = 0;                                179 my $iteration = 0;
198 my $successes = 0;                                180 my $successes = 0;
199 my $stty_orig;                                    181 my $stty_orig;
200 my $run_command_status = 0;                       182 my $run_command_status = 0;
201                                                   183 
202 my $bisect_good;                                  184 my $bisect_good;
203 my $bisect_bad;                                   185 my $bisect_bad;
204 my $bisect_type;                                  186 my $bisect_type;
205 my $bisect_start;                                 187 my $bisect_start;
206 my $bisect_replay;                                188 my $bisect_replay;
207 my $bisect_files;                                 189 my $bisect_files;
208 my $bisect_reverse;                               190 my $bisect_reverse;
209 my $bisect_check;                                 191 my $bisect_check;
210                                                   192 
211 my $config_bisect;                                193 my $config_bisect;
212 my $config_bisect_type;                           194 my $config_bisect_type;
213 my $config_bisect_check;                          195 my $config_bisect_check;
214                                                   196 
215 my $patchcheck_type;                              197 my $patchcheck_type;
216 my $patchcheck_start;                             198 my $patchcheck_start;
217 my $patchcheck_cherry;                            199 my $patchcheck_cherry;
218 my $patchcheck_end;                               200 my $patchcheck_end;
219                                                   201 
220 my $build_time;                                   202 my $build_time;
221 my $install_time;                                 203 my $install_time;
222 my $reboot_time;                                  204 my $reboot_time;
223 my $test_time;                                    205 my $test_time;
224                                                   206 
225 my $warning_found = 0;                         << 
226                                                << 
227 my $pwd;                                       << 
228 my $dirname = $FindBin::Bin;                   << 
229                                                << 
230 my $mailto;                                    << 
231 my $mailer;                                    << 
232 my $mail_path;                                 << 
233 my $mail_max_size;                             << 
234 my $mail_command;                              << 
235 my $email_on_error;                            << 
236 my $email_when_finished;                       << 
237 my $email_when_started;                        << 
238 my $email_when_canceled;                       << 
239                                                << 
240 my $script_start_time = localtime();           << 
241                                                << 
242 # set when a test is something other that just    207 # set when a test is something other that just building or install
243 # which would require more options.               208 # which would require more options.
244 my $buildonly = 1;                                209 my $buildonly = 1;
245                                                   210 
246 # tell build not to worry about warnings, even    211 # tell build not to worry about warnings, even when WARNINGS_FILE is set
247 my $warnings_ok = 0;                              212 my $warnings_ok = 0;
248                                                   213 
249 # set when creating a new config                  214 # set when creating a new config
250 my $newconfig = 0;                                215 my $newconfig = 0;
251                                                   216 
252 my %entered_configs;                              217 my %entered_configs;
253 my %config_help;                                  218 my %config_help;
254 my %variable;                                     219 my %variable;
255                                                   220 
256 # force_config is the list of configs that we     221 # force_config is the list of configs that we force enabled (or disabled)
257 # in a .config file. The MIN_CONFIG and ADD_CO    222 # in a .config file. The MIN_CONFIG and ADD_CONFIG configs.
258 my %force_config;                                 223 my %force_config;
259                                                   224 
260 # do not force reboots on config problems         225 # do not force reboots on config problems
261 my $no_reboot = 1;                                226 my $no_reboot = 1;
262                                                   227 
263 # reboot on success                               228 # reboot on success
264 my $reboot_success = 0;                           229 my $reboot_success = 0;
265                                                   230 
266 my %option_map = (                                231 my %option_map = (
267     "MAILTO"                    => \$mailto,   << 
268     "MAILER"                    => \$mailer,   << 
269     "MAIL_PATH"                 => \$mail_path << 
270     "MAIL_MAX_SIZE"             => \$mail_max_ << 
271     "MAIL_COMMAND"              => \$mail_comm << 
272     "EMAIL_ON_ERROR"            => \$email_on_ << 
273     "EMAIL_WHEN_FINISHED"       => \$email_whe << 
274     "EMAIL_WHEN_STARTED"        => \$email_whe << 
275     "EMAIL_WHEN_CANCELED"       => \$email_whe << 
276     "MACHINE"                   => \$machine,     232     "MACHINE"                   => \$machine,
277     "SSH_USER"                  => \$ssh_user,    233     "SSH_USER"                  => \$ssh_user,
278     "TMP_DIR"                   => \$tmpdir,      234     "TMP_DIR"                   => \$tmpdir,
279     "OUTPUT_DIR"                => \$outputdir    235     "OUTPUT_DIR"                => \$outputdir,
280     "BUILD_DIR"                 => \$builddir,    236     "BUILD_DIR"                 => \$builddir,
281     "TEST_TYPE"                 => \$test_type    237     "TEST_TYPE"                 => \$test_type,
282     "PRE_KTEST"                 => \$pre_ktest    238     "PRE_KTEST"                 => \$pre_ktest,
283     "POST_KTEST"                => \$post_ktes    239     "POST_KTEST"                => \$post_ktest,
284     "PRE_TEST"                  => \$pre_test,    240     "PRE_TEST"                  => \$pre_test,
285     "PRE_TEST_DIE"              => \$pre_test_ << 
286     "POST_TEST"                 => \$post_test    241     "POST_TEST"                 => \$post_test,
287     "BUILD_TYPE"                => \$build_typ    242     "BUILD_TYPE"                => \$build_type,
288     "BUILD_OPTIONS"             => \$build_opt    243     "BUILD_OPTIONS"             => \$build_options,
289     "PRE_BUILD"                 => \$pre_build    244     "PRE_BUILD"                 => \$pre_build,
290     "POST_BUILD"                => \$post_buil    245     "POST_BUILD"                => \$post_build,
291     "PRE_BUILD_DIE"             => \$pre_build    246     "PRE_BUILD_DIE"             => \$pre_build_die,
292     "POST_BUILD_DIE"            => \$post_buil    247     "POST_BUILD_DIE"            => \$post_build_die,
293     "POWER_CYCLE"               => \$power_cyc    248     "POWER_CYCLE"               => \$power_cycle,
294     "REBOOT"                    => \$reboot,      249     "REBOOT"                    => \$reboot,
295     "REBOOT_RETURN_CODE"        => \$reboot_re << 
296     "BUILD_NOCLEAN"             => \$noclean,     250     "BUILD_NOCLEAN"             => \$noclean,
297     "MIN_CONFIG"                => \$minconfig    251     "MIN_CONFIG"                => \$minconfig,
298     "OUTPUT_MIN_CONFIG"         => \$output_mi    252     "OUTPUT_MIN_CONFIG"         => \$output_minconfig,
299     "START_MIN_CONFIG"          => \$start_min    253     "START_MIN_CONFIG"          => \$start_minconfig,
300     "MIN_CONFIG_TYPE"           => \$minconfig    254     "MIN_CONFIG_TYPE"           => \$minconfig_type,
301     "USE_OUTPUT_MIN_CONFIG"     => \$use_outpu    255     "USE_OUTPUT_MIN_CONFIG"     => \$use_output_minconfig,
302     "WARNINGS_FILE"             => \$warnings_    256     "WARNINGS_FILE"             => \$warnings_file,
303     "IGNORE_CONFIG"             => \$ignore_co    257     "IGNORE_CONFIG"             => \$ignore_config,
304     "TEST"                      => \$run_test,    258     "TEST"                      => \$run_test,
305     "ADD_CONFIG"                => \$addconfig    259     "ADD_CONFIG"                => \$addconfig,
306     "REBOOT_TYPE"               => \$reboot_ty    260     "REBOOT_TYPE"               => \$reboot_type,
307     "GRUB_MENU"                 => \$grub_menu    261     "GRUB_MENU"                 => \$grub_menu,
308     "GRUB_FILE"                 => \$grub_file    262     "GRUB_FILE"                 => \$grub_file,
309     "GRUB_REBOOT"               => \$grub_rebo    263     "GRUB_REBOOT"               => \$grub_reboot,
310     "GRUB_BLS_GET"              => \$grub_bls_ << 
311     "SYSLINUX"                  => \$syslinux,    264     "SYSLINUX"                  => \$syslinux,
312     "SYSLINUX_PATH"             => \$syslinux_    265     "SYSLINUX_PATH"             => \$syslinux_path,
313     "SYSLINUX_LABEL"            => \$syslinux_    266     "SYSLINUX_LABEL"            => \$syslinux_label,
314     "PRE_INSTALL"               => \$pre_insta    267     "PRE_INSTALL"               => \$pre_install,
315     "POST_INSTALL"              => \$post_inst    268     "POST_INSTALL"              => \$post_install,
316     "NO_INSTALL"                => \$no_instal    269     "NO_INSTALL"                => \$no_install,
317     "REBOOT_SCRIPT"             => \$reboot_sc    270     "REBOOT_SCRIPT"             => \$reboot_script,
318     "REBOOT_ON_ERROR"           => \$reboot_on    271     "REBOOT_ON_ERROR"           => \$reboot_on_error,
319     "SWITCH_TO_GOOD"            => \$switch_to    272     "SWITCH_TO_GOOD"            => \$switch_to_good,
320     "SWITCH_TO_TEST"            => \$switch_to    273     "SWITCH_TO_TEST"            => \$switch_to_test,
321     "POWEROFF_ON_ERROR"         => \$poweroff_    274     "POWEROFF_ON_ERROR"         => \$poweroff_on_error,
322     "REBOOT_ON_SUCCESS"         => \$reboot_on    275     "REBOOT_ON_SUCCESS"         => \$reboot_on_success,
323     "DIE_ON_FAILURE"            => \$die_on_fa    276     "DIE_ON_FAILURE"            => \$die_on_failure,
324     "POWER_OFF"                 => \$power_off    277     "POWER_OFF"                 => \$power_off,
325     "POWERCYCLE_AFTER_REBOOT"   => \$powercycl    278     "POWERCYCLE_AFTER_REBOOT"   => \$powercycle_after_reboot,
326     "POWEROFF_AFTER_HALT"       => \$poweroff_    279     "POWEROFF_AFTER_HALT"       => \$poweroff_after_halt,
327     "MAX_MONITOR_WAIT"          => \$max_monit    280     "MAX_MONITOR_WAIT"          => \$max_monitor_wait,
328     "SLEEP_TIME"                => \$sleep_tim    281     "SLEEP_TIME"                => \$sleep_time,
329     "BISECT_SLEEP_TIME"         => \$bisect_sl    282     "BISECT_SLEEP_TIME"         => \$bisect_sleep_time,
330     "PATCHCHECK_SLEEP_TIME"     => \$patchchec    283     "PATCHCHECK_SLEEP_TIME"     => \$patchcheck_sleep_time,
331     "IGNORE_WARNINGS"           => \$ignore_wa    284     "IGNORE_WARNINGS"           => \$ignore_warnings,
332     "IGNORE_ERRORS"             => \$ignore_er    285     "IGNORE_ERRORS"             => \$ignore_errors,
333     "BISECT_MANUAL"             => \$bisect_ma    286     "BISECT_MANUAL"             => \$bisect_manual,
334     "BISECT_SKIP"               => \$bisect_sk    287     "BISECT_SKIP"               => \$bisect_skip,
335     "BISECT_TRIES"              => \$bisect_tr    288     "BISECT_TRIES"              => \$bisect_tries,
336     "CONFIG_BISECT_GOOD"        => \$config_bi    289     "CONFIG_BISECT_GOOD"        => \$config_bisect_good,
337     "BISECT_RET_GOOD"           => \$bisect_re    290     "BISECT_RET_GOOD"           => \$bisect_ret_good,
338     "BISECT_RET_BAD"            => \$bisect_re    291     "BISECT_RET_BAD"            => \$bisect_ret_bad,
339     "BISECT_RET_SKIP"           => \$bisect_re    292     "BISECT_RET_SKIP"           => \$bisect_ret_skip,
340     "BISECT_RET_ABORT"          => \$bisect_re    293     "BISECT_RET_ABORT"          => \$bisect_ret_abort,
341     "BISECT_RET_DEFAULT"        => \$bisect_re    294     "BISECT_RET_DEFAULT"        => \$bisect_ret_default,
342     "STORE_FAILURES"            => \$store_fai    295     "STORE_FAILURES"            => \$store_failures,
343     "STORE_SUCCESSES"           => \$store_suc    296     "STORE_SUCCESSES"           => \$store_successes,
344     "TEST_NAME"                 => \$test_name    297     "TEST_NAME"                 => \$test_name,
345     "TIMEOUT"                   => \$timeout,     298     "TIMEOUT"                   => \$timeout,
346     "RUN_TIMEOUT"               => \$run_timeo << 
347     "CONNECT_TIMEOUT"           => \$connect_t << 
348     "CONFIG_BISECT_EXEC"        => \$config_bi << 
349     "BOOTED_TIMEOUT"            => \$booted_ti    299     "BOOTED_TIMEOUT"            => \$booted_timeout,
350     "CONSOLE"                   => \$console,     300     "CONSOLE"                   => \$console,
351     "CLOSE_CONSOLE_SIGNAL"      => \$close_con    301     "CLOSE_CONSOLE_SIGNAL"      => \$close_console_signal,
352     "DETECT_TRIPLE_FAULT"       => \$detect_tr    302     "DETECT_TRIPLE_FAULT"       => \$detect_triplefault,
353     "SUCCESS_LINE"              => \$success_l    303     "SUCCESS_LINE"              => \$success_line,
354     "REBOOT_SUCCESS_LINE"       => \$reboot_su    304     "REBOOT_SUCCESS_LINE"       => \$reboot_success_line,
355     "STOP_AFTER_SUCCESS"        => \$stop_afte    305     "STOP_AFTER_SUCCESS"        => \$stop_after_success,
356     "STOP_AFTER_FAILURE"        => \$stop_afte    306     "STOP_AFTER_FAILURE"        => \$stop_after_failure,
357     "STOP_TEST_AFTER"           => \$stop_test    307     "STOP_TEST_AFTER"           => \$stop_test_after,
358     "BUILD_TARGET"              => \$build_tar    308     "BUILD_TARGET"              => \$build_target,
359     "SSH_EXEC"                  => \$ssh_exec,    309     "SSH_EXEC"                  => \$ssh_exec,
360     "SCP_TO_TARGET"             => \$scp_to_ta    310     "SCP_TO_TARGET"             => \$scp_to_target,
361     "SCP_TO_TARGET_INSTALL"     => \$scp_to_ta    311     "SCP_TO_TARGET_INSTALL"     => \$scp_to_target_install,
362     "CHECKOUT"                  => \$checkout,    312     "CHECKOUT"                  => \$checkout,
363     "TARGET_IMAGE"              => \$target_im    313     "TARGET_IMAGE"              => \$target_image,
364     "LOCALVERSION"              => \$localvers    314     "LOCALVERSION"              => \$localversion,
365                                                   315 
366     "BISECT_GOOD"               => \$bisect_go    316     "BISECT_GOOD"               => \$bisect_good,
367     "BISECT_BAD"                => \$bisect_ba    317     "BISECT_BAD"                => \$bisect_bad,
368     "BISECT_TYPE"               => \$bisect_ty    318     "BISECT_TYPE"               => \$bisect_type,
369     "BISECT_START"              => \$bisect_st    319     "BISECT_START"              => \$bisect_start,
370     "BISECT_REPLAY"             => \$bisect_re    320     "BISECT_REPLAY"             => \$bisect_replay,
371     "BISECT_FILES"              => \$bisect_fi    321     "BISECT_FILES"              => \$bisect_files,
372     "BISECT_REVERSE"            => \$bisect_re    322     "BISECT_REVERSE"            => \$bisect_reverse,
373     "BISECT_CHECK"              => \$bisect_ch    323     "BISECT_CHECK"              => \$bisect_check,
374                                                   324 
375     "CONFIG_BISECT"             => \$config_bi    325     "CONFIG_BISECT"             => \$config_bisect,
376     "CONFIG_BISECT_TYPE"        => \$config_bi    326     "CONFIG_BISECT_TYPE"        => \$config_bisect_type,
377     "CONFIG_BISECT_CHECK"       => \$config_bi    327     "CONFIG_BISECT_CHECK"       => \$config_bisect_check,
378                                                   328 
379     "PATCHCHECK_TYPE"           => \$patchchec    329     "PATCHCHECK_TYPE"           => \$patchcheck_type,
380     "PATCHCHECK_START"          => \$patchchec    330     "PATCHCHECK_START"          => \$patchcheck_start,
381     "PATCHCHECK_CHERRY"         => \$patchchec    331     "PATCHCHECK_CHERRY"         => \$patchcheck_cherry,
382     "PATCHCHECK_END"            => \$patchchec    332     "PATCHCHECK_END"            => \$patchcheck_end,
383 );                                                333 );
384                                                   334 
385 # Options may be used by other options, record    335 # Options may be used by other options, record them.
386 my %used_options;                                 336 my %used_options;
387                                                   337 
388 # default variables that can be used              338 # default variables that can be used
389 chomp ($variable{"PWD"} = `pwd`);                 339 chomp ($variable{"PWD"} = `pwd`);
390 $pwd = $variable{"PWD"};                       << 
391                                                   340 
392 $config_help{"MACHINE"} = << "EOF"                341 $config_help{"MACHINE"} = << "EOF"
393  The machine hostname that you will test.         342  The machine hostname that you will test.
394  For build only tests, it is still needed to d    343  For build only tests, it is still needed to differentiate log files.
395 EOF                                               344 EOF
396     ;                                             345     ;
397 $config_help{"SSH_USER"} = << "EOF"               346 $config_help{"SSH_USER"} = << "EOF"
398  The box is expected to have ssh on normal boo    347  The box is expected to have ssh on normal bootup, provide the user
399   (most likely root, since you need privileged    348   (most likely root, since you need privileged operations)
400 EOF                                               349 EOF
401     ;                                             350     ;
402 $config_help{"BUILD_DIR"} = << "EOF"              351 $config_help{"BUILD_DIR"} = << "EOF"
403  The directory that contains the Linux source     352  The directory that contains the Linux source code (full path).
404  You can use \${PWD} that will be the path whe    353  You can use \${PWD} that will be the path where ktest.pl is run, or use
405  \${THIS_DIR} which is assigned \${PWD} but ma    354  \${THIS_DIR} which is assigned \${PWD} but may be changed later.
406 EOF                                               355 EOF
407     ;                                             356     ;
408 $config_help{"OUTPUT_DIR"} = << "EOF"             357 $config_help{"OUTPUT_DIR"} = << "EOF"
409  The directory that the objects will be built     358  The directory that the objects will be built (full path).
410  (can not be same as BUILD_DIR)                   359  (can not be same as BUILD_DIR)
411  You can use \${PWD} that will be the path whe    360  You can use \${PWD} that will be the path where ktest.pl is run, or use
412  \${THIS_DIR} which is assigned \${PWD} but ma    361  \${THIS_DIR} which is assigned \${PWD} but may be changed later.
413 EOF                                               362 EOF
414     ;                                             363     ;
415 $config_help{"BUILD_TARGET"} = << "EOF"           364 $config_help{"BUILD_TARGET"} = << "EOF"
416  The location of the compiled file to copy to     365  The location of the compiled file to copy to the target.
417  (relative to OUTPUT_DIR)                         366  (relative to OUTPUT_DIR)
418 EOF                                               367 EOF
419     ;                                             368     ;
420 $config_help{"BUILD_OPTIONS"} = << "EOF"          369 $config_help{"BUILD_OPTIONS"} = << "EOF"
421  Options to add to \"make\" when building.        370  Options to add to \"make\" when building.
422  i.e.  -j20                                       371  i.e.  -j20
423 EOF                                               372 EOF
424     ;                                             373     ;
425 $config_help{"TARGET_IMAGE"} = << "EOF"           374 $config_help{"TARGET_IMAGE"} = << "EOF"
426  The place to put your image on the test machi    375  The place to put your image on the test machine.
427 EOF                                               376 EOF
428     ;                                             377     ;
429 $config_help{"POWER_CYCLE"} = << "EOF"            378 $config_help{"POWER_CYCLE"} = << "EOF"
430  A script or command to reboot the box.           379  A script or command to reboot the box.
431                                                   380 
432  Here is a digital loggers power switch exampl    381  Here is a digital loggers power switch example
433  POWER_CYCLE = wget --no-proxy -O /dev/null -q    382  POWER_CYCLE = wget --no-proxy -O /dev/null -q  --auth-no-challenge 'http://admin:admin\@power/outlet?5=CCL'
434                                                   383 
435  Here is an example to reboot a virtual box on    384  Here is an example to reboot a virtual box on the current host
436  with the name "Guest".                           385  with the name "Guest".
437  POWER_CYCLE = virsh destroy Guest; sleep 5; v    386  POWER_CYCLE = virsh destroy Guest; sleep 5; virsh start Guest
438 EOF                                               387 EOF
439     ;                                             388     ;
440 $config_help{"CONSOLE"} = << "EOF"                389 $config_help{"CONSOLE"} = << "EOF"
441  The script or command that reads the console     390  The script or command that reads the console
442                                                   391 
443   If you use ttywatch server, something like t    392   If you use ttywatch server, something like the following would work.
444 CONSOLE = nc -d localhost 3001                    393 CONSOLE = nc -d localhost 3001
445                                                   394 
446  For a virtual machine with guest name "Guest"    395  For a virtual machine with guest name "Guest".
447 CONSOLE =  virsh console Guest                    396 CONSOLE =  virsh console Guest
448 EOF                                               397 EOF
449     ;                                             398     ;
450 $config_help{"LOCALVERSION"} = << "EOF"           399 $config_help{"LOCALVERSION"} = << "EOF"
451  Required version ending to differentiate the     400  Required version ending to differentiate the test
452  from other linux builds on the system.           401  from other linux builds on the system.
453 EOF                                               402 EOF
454     ;                                             403     ;
455 $config_help{"REBOOT_TYPE"} = << "EOF"            404 $config_help{"REBOOT_TYPE"} = << "EOF"
456  Way to reboot the box to the test kernel.        405  Way to reboot the box to the test kernel.
457  Only valid options so far are "grub", "grub2" !! 406  Only valid options so far are "grub", "grub2", "syslinux", and "script".
458                                                   407 
459  If you specify grub, it will assume grub vers    408  If you specify grub, it will assume grub version 1
460  and will search in /boot/grub/menu.lst for th    409  and will search in /boot/grub/menu.lst for the title \$GRUB_MENU
461  and select that target to reboot to the kerne    410  and select that target to reboot to the kernel. If this is not
462  your setup, then specify "script" and have a     411  your setup, then specify "script" and have a command or script
463  specified in REBOOT_SCRIPT to boot to the tar    412  specified in REBOOT_SCRIPT to boot to the target.
464                                                   413 
465  The entry in /boot/grub/menu.lst must be ente    414  The entry in /boot/grub/menu.lst must be entered in manually.
466  The test will not modify that file.              415  The test will not modify that file.
467                                                   416 
468  If you specify grub2, then you also need to s    417  If you specify grub2, then you also need to specify both \$GRUB_MENU
469  and \$GRUB_FILE.                                 418  and \$GRUB_FILE.
470                                                   419 
471  If you specify grub2bls, then you also need t << 
472                                                << 
473  If you specify syslinux, then you may use SYS    420  If you specify syslinux, then you may use SYSLINUX to define the syslinux
474  command (defaults to extlinux), and SYSLINUX_    421  command (defaults to extlinux), and SYSLINUX_PATH to specify the path to
475  the syslinux install (defaults to /boot/extli    422  the syslinux install (defaults to /boot/extlinux). But you have to specify
476  SYSLINUX_LABEL to define the label to boot to    423  SYSLINUX_LABEL to define the label to boot to for the test kernel.
477 EOF                                               424 EOF
478     ;                                             425     ;
479 $config_help{"GRUB_MENU"} = << "EOF"              426 $config_help{"GRUB_MENU"} = << "EOF"
480  The grub title name for the test kernel to bo    427  The grub title name for the test kernel to boot
481  (Only mandatory if REBOOT_TYPE = grub or grub    428  (Only mandatory if REBOOT_TYPE = grub or grub2)
482                                                   429 
483  Note, ktest.pl will not update the grub menu.    430  Note, ktest.pl will not update the grub menu.lst, you need to
484  manually add an option for the test. ktest.pl    431  manually add an option for the test. ktest.pl will search
485  the grub menu.lst for this option to find wha    432  the grub menu.lst for this option to find what kernel to
486  reboot into.                                     433  reboot into.
487                                                   434 
488  For example, if in the /boot/grub/menu.lst th    435  For example, if in the /boot/grub/menu.lst the test kernel title has:
489  title Test Kernel                                436  title Test Kernel
490  kernel vmlinuz-test                              437  kernel vmlinuz-test
491  GRUB_MENU = Test Kernel                          438  GRUB_MENU = Test Kernel
492                                                   439 
493  For grub2, a search of \$GRUB_FILE is perform    440  For grub2, a search of \$GRUB_FILE is performed for the lines
494  that begin with "menuentry". It will not dete    441  that begin with "menuentry". It will not detect submenus. The
495  menu must be a non-nested menu. Add the quote    442  menu must be a non-nested menu. Add the quotes used in the menu
496  to guarantee your selection, as the first men    443  to guarantee your selection, as the first menuentry with the content
497  of \$GRUB_MENU that is found will be used.       444  of \$GRUB_MENU that is found will be used.
498                                                << 
499  For grub2bls, \$GRUB_MENU is searched on the  << 
500  command for the lines that begin with "title" << 
501 EOF                                               445 EOF
502     ;                                             446     ;
503 $config_help{"GRUB_FILE"} = << "EOF"              447 $config_help{"GRUB_FILE"} = << "EOF"
504  If grub2 is used, the full path for the grub.    448  If grub2 is used, the full path for the grub.cfg file is placed
505  here. Use something like /boot/grub2/grub.cfg    449  here. Use something like /boot/grub2/grub.cfg to search.
506 EOF                                               450 EOF
507     ;                                             451     ;
508 $config_help{"SYSLINUX_LABEL"} = << "EOF"         452 $config_help{"SYSLINUX_LABEL"} = << "EOF"
509  If syslinux is used, the label that boots the    453  If syslinux is used, the label that boots the target kernel must
510  be specified with SYSLINUX_LABEL.                454  be specified with SYSLINUX_LABEL.
511 EOF                                               455 EOF
512     ;                                             456     ;
513 $config_help{"REBOOT_SCRIPT"} = << "EOF"          457 $config_help{"REBOOT_SCRIPT"} = << "EOF"
514  A script to reboot the target into the test k    458  A script to reboot the target into the test kernel
515  (Only mandatory if REBOOT_TYPE = script)         459  (Only mandatory if REBOOT_TYPE = script)
516 EOF                                               460 EOF
517     ;                                             461     ;
518                                                   462 
519 # used with process_expression()               << 
520 my $d = 0;                                     << 
521                                                << 
522 # defined before get_test_name()               << 
523 my $in_die = 0;                                << 
524                                                << 
525 # defined before process_warning_line()        << 
526 my $check_build_re = ".*:.*(warning|error|Erro << 
527 my $utf8_quote = "\\x{e2}\\x{80}(\\x{98}|\\x{9 << 
528                                                << 
529 # defined before child_finished()              << 
530 my $child_done;                                << 
531                                                << 
532 # config_ignore holds the configs that were se << 
533 # a good config and we will ignore these confi << 
534 # of a config bisect. These configs stay as th << 
535 my %config_ignore;                             << 
536                                                << 
537 # config_set holds what all configs were set a << 
538 my %config_set;                                << 
539                                                << 
540 # config_off holds the set of configs that the << 
541 # We need to record them and set them in the . << 
542 # olddefconfig, because olddefconfig keeps the << 
543 my %config_off;                                << 
544                                                << 
545 # config_off_tmp holds a set of configs to tur << 
546 my @config_off_tmp;                            << 
547                                                << 
548 # config_list is the set of configs that are b << 
549 my %config_list;                               << 
550 my %null_config;                               << 
551                                                << 
552 my %dependency;                                << 
553                                                << 
554 # found above run_config_bisect()              << 
555 my $pass = 1;                                  << 
556                                                << 
557 # found above add_dep()                        << 
558                                                << 
559 my %depends;                                   << 
560 my %depcount;                                  << 
561 my $iflevel = 0;                               << 
562 my @ifdeps;                                    << 
563                                                << 
564 # prevent recursion                            << 
565 my %read_kconfigs;                             << 
566                                                << 
567 # found above test_this_config()               << 
568 my %min_configs;                               << 
569 my %keep_configs;                              << 
570 my %save_configs;                              << 
571 my %processed_configs;                         << 
572 my %nochange_config;                           << 
573                                                << 
574 #                                              << 
575 # These are first defined here, main function  << 
576 #                                              << 
577 sub run_command;                               << 
578 sub start_monitor;                             << 
579 sub end_monitor;                               << 
580 sub wait_for_monitor;                          << 
581                                                << 
582 sub _logit {                                      463 sub _logit {
583     if (defined($opt{"LOG_FILE"})) {              464     if (defined($opt{"LOG_FILE"})) {
584         print LOG @_;                          !! 465         open(OUT, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}";
                                                   >> 466         print OUT @_;
                                                   >> 467         close(OUT);
585     }                                             468     }
586 }                                                 469 }
587                                                   470 
588 sub logit {                                       471 sub logit {
589     if (defined($opt{"LOG_FILE"})) {              472     if (defined($opt{"LOG_FILE"})) {
590         _logit @_;                                473         _logit @_;
591     } else {                                      474     } else {
592         print @_;                                 475         print @_;
593     }                                             476     }
594 }                                                 477 }
595                                                   478 
596 sub doprint {                                     479 sub doprint {
597     print @_;                                     480     print @_;
598     _logit @_;                                    481     _logit @_;
599 }                                                 482 }
600                                                   483 
601 sub read_prompt {                                 484 sub read_prompt {
602     my ($cancel, $prompt) = @_;                   485     my ($cancel, $prompt) = @_;
603                                                   486 
604     my $ans;                                      487     my $ans;
605                                                   488 
606     for (;;) {                                    489     for (;;) {
607         if ($cancel) {                         !! 490         if ($cancel) {
608             print "$prompt [y/n/C] ";             491             print "$prompt [y/n/C] ";
609         } else {                                  492         } else {
610             print "$prompt [Y/n] ";               493             print "$prompt [Y/n] ";
611         }                                         494         }
612         $ans = <STDIN>;                           495         $ans = <STDIN>;
613         chomp $ans;                               496         chomp $ans;
614         if ($ans =~ /^\s*$/) {                    497         if ($ans =~ /^\s*$/) {
615             if ($cancel) {                        498             if ($cancel) {
616                 $ans = "c";                       499                 $ans = "c";
617             } else {                              500             } else {
618                 $ans = "y";                       501                 $ans = "y";
619             }                                     502             }
620         }                                         503         }
621         last if ($ans =~ /^y$/i || $ans =~ /^n    504         last if ($ans =~ /^y$/i || $ans =~ /^n$/i);
622         if ($cancel) {                            505         if ($cancel) {
623             last if ($ans =~ /^c$/i);             506             last if ($ans =~ /^c$/i);
624             print "Please answer either 'y', '    507             print "Please answer either 'y', 'n' or 'c'.\n";
625         } else {                                  508         } else {
626             print "Please answer either 'y' or    509             print "Please answer either 'y' or 'n'.\n";
627         }                                         510         }
628     }                                             511     }
629     if ($ans =~ /^c/i) {                          512     if ($ans =~ /^c/i) {
630         exit;                                     513         exit;
631     }                                             514     }
632     if ($ans !~ /^y$/i) {                         515     if ($ans !~ /^y$/i) {
633         return 0;                                 516         return 0;
634     }                                             517     }
635     return 1;                                     518     return 1;
636 }                                                 519 }
637                                                   520 
638 sub read_yn {                                     521 sub read_yn {
639     my ($prompt) = @_;                            522     my ($prompt) = @_;
640                                                   523 
641     return read_prompt 0, $prompt;                524     return read_prompt 0, $prompt;
642 }                                                 525 }
643                                                   526 
644 sub read_ync {                                    527 sub read_ync {
645     my ($prompt) = @_;                            528     my ($prompt) = @_;
646                                                   529 
647     return read_prompt 1, $prompt;                530     return read_prompt 1, $prompt;
648 }                                                 531 }
649                                                   532 
650 sub get_mandatory_config {                        533 sub get_mandatory_config {
651     my ($config) = @_;                            534     my ($config) = @_;
652     my $ans;                                      535     my $ans;
653                                                   536 
654     return if (defined($opt{$config}));           537     return if (defined($opt{$config}));
655                                                   538 
656     if (defined($config_help{$config})) {         539     if (defined($config_help{$config})) {
657         print "\n";                               540         print "\n";
658         print $config_help{$config};              541         print $config_help{$config};
659     }                                             542     }
660                                                   543 
661     for (;;) {                                    544     for (;;) {
662         print "$config = ";                       545         print "$config = ";
663         if (defined($default{$config}) && leng    546         if (defined($default{$config}) && length($default{$config})) {
664             print "\[$default{$config}\] ";       547             print "\[$default{$config}\] ";
665         }                                         548         }
666         $ans = <STDIN>;                           549         $ans = <STDIN>;
667         $ans =~ s/^\s*(.*\S)\s*$/$1/;             550         $ans =~ s/^\s*(.*\S)\s*$/$1/;
668         if ($ans =~ /^\s*$/) {                    551         if ($ans =~ /^\s*$/) {
669             if ($default{$config}) {              552             if ($default{$config}) {
670                 $ans = $default{$config};         553                 $ans = $default{$config};
671             } else {                              554             } else {
672                 print "Your answer can not be     555                 print "Your answer can not be blank\n";
673                 next;                             556                 next;
674             }                                     557             }
675         }                                         558         }
676         $entered_configs{$config} = ${ans};       559         $entered_configs{$config} = ${ans};
677         last;                                     560         last;
678     }                                             561     }
679 }                                                 562 }
680                                                   563 
681 sub show_time {                                   564 sub show_time {
682     my ($time) = @_;                              565     my ($time) = @_;
683                                                   566 
684     my $hours = 0;                                567     my $hours = 0;
685     my $minutes = 0;                              568     my $minutes = 0;
686                                                   569 
687     if ($time > 3600) {                           570     if ($time > 3600) {
688         $hours = int($time / 3600);               571         $hours = int($time / 3600);
689         $time -= $hours * 3600;                   572         $time -= $hours * 3600;
690     }                                             573     }
691     if ($time > 60) {                             574     if ($time > 60) {
692         $minutes = int($time / 60);               575         $minutes = int($time / 60);
693         $time -= $minutes * 60;                   576         $time -= $minutes * 60;
694     }                                             577     }
695                                                   578 
696     if ($hours > 0) {                             579     if ($hours > 0) {
697         doprint "$hours hour";                    580         doprint "$hours hour";
698         doprint "s" if ($hours > 1);              581         doprint "s" if ($hours > 1);
699         doprint " ";                              582         doprint " ";
700     }                                             583     }
701                                                   584 
702     if ($minutes > 0) {                           585     if ($minutes > 0) {
703         doprint "$minutes minute";                586         doprint "$minutes minute";
704         doprint "s" if ($minutes > 1);            587         doprint "s" if ($minutes > 1);
705         doprint " ";                              588         doprint " ";
706     }                                             589     }
707                                                   590 
708     doprint "$time second";                       591     doprint "$time second";
709     doprint "s" if ($time != 1);                  592     doprint "s" if ($time != 1);
710 }                                                 593 }
711                                                   594 
712 sub print_times {                                 595 sub print_times {
713     doprint "\n";                                 596     doprint "\n";
714     if ($build_time) {                            597     if ($build_time) {
715         doprint "Build time:   ";                 598         doprint "Build time:   ";
716         show_time($build_time);                   599         show_time($build_time);
717         doprint "\n";                             600         doprint "\n";
718     }                                             601     }
719     if ($install_time) {                          602     if ($install_time) {
720         doprint "Install time: ";                 603         doprint "Install time: ";
721         show_time($install_time);                 604         show_time($install_time);
722         doprint "\n";                             605         doprint "\n";
723     }                                             606     }
724     if ($reboot_time) {                           607     if ($reboot_time) {
725         doprint "Reboot time:  ";                 608         doprint "Reboot time:  ";
726         show_time($reboot_time);                  609         show_time($reboot_time);
727         doprint "\n";                             610         doprint "\n";
728     }                                             611     }
729     if ($test_time) {                             612     if ($test_time) {
730         doprint "Test time:    ";                 613         doprint "Test time:    ";
731         show_time($test_time);                    614         show_time($test_time);
732         doprint "\n";                             615         doprint "\n";
733     }                                             616     }
734     if ($warning_found) {                      << 
735         doprint "\n*** WARNING";               << 
736         doprint "S" if ($warning_found > 1);   << 
737         doprint " found in build: $warning_fou << 
738     }                                          << 
739                                                << 
740     # reset for iterations like bisect            617     # reset for iterations like bisect
741     $build_time = 0;                              618     $build_time = 0;
742     $install_time = 0;                            619     $install_time = 0;
743     $reboot_time = 0;                             620     $reboot_time = 0;
744     $test_time = 0;                               621     $test_time = 0;
745     $warning_found = 0;                        << 
746 }                                                 622 }
747                                                   623 
748 sub get_mandatory_configs {                       624 sub get_mandatory_configs {
749     get_mandatory_config("MACHINE");              625     get_mandatory_config("MACHINE");
750     get_mandatory_config("BUILD_DIR");            626     get_mandatory_config("BUILD_DIR");
751     get_mandatory_config("OUTPUT_DIR");           627     get_mandatory_config("OUTPUT_DIR");
752                                                   628 
753     if ($newconfig) {                             629     if ($newconfig) {
754         get_mandatory_config("BUILD_OPTIONS");    630         get_mandatory_config("BUILD_OPTIONS");
755     }                                             631     }
756                                                   632 
757     # options required for other than just bui    633     # options required for other than just building a kernel
758     if (!$buildonly) {                            634     if (!$buildonly) {
759         get_mandatory_config("POWER_CYCLE");      635         get_mandatory_config("POWER_CYCLE");
760         get_mandatory_config("CONSOLE");          636         get_mandatory_config("CONSOLE");
761     }                                             637     }
762                                                   638 
763     # options required for install and more       639     # options required for install and more
764     if ($buildonly != 1) {                        640     if ($buildonly != 1) {
765         get_mandatory_config("SSH_USER");         641         get_mandatory_config("SSH_USER");
766         get_mandatory_config("BUILD_TARGET");     642         get_mandatory_config("BUILD_TARGET");
767         get_mandatory_config("TARGET_IMAGE");     643         get_mandatory_config("TARGET_IMAGE");
768     }                                             644     }
769                                                   645 
770     get_mandatory_config("LOCALVERSION");         646     get_mandatory_config("LOCALVERSION");
771                                                   647 
772     return if ($buildonly);                       648     return if ($buildonly);
773                                                   649 
774     my $rtype = $opt{"REBOOT_TYPE"};              650     my $rtype = $opt{"REBOOT_TYPE"};
775                                                   651 
776     if (!defined($rtype)) {                       652     if (!defined($rtype)) {
777         if (!defined($opt{"GRUB_MENU"})) {        653         if (!defined($opt{"GRUB_MENU"})) {
778             get_mandatory_config("REBOOT_TYPE"    654             get_mandatory_config("REBOOT_TYPE");
779             $rtype = $entered_configs{"REBOOT_    655             $rtype = $entered_configs{"REBOOT_TYPE"};
780         } else {                                  656         } else {
781             $rtype = "grub";                      657             $rtype = "grub";
782         }                                         658         }
783     }                                             659     }
784                                                   660 
785     if (($rtype eq "grub") or ($rtype eq "grub !! 661     if ($rtype eq "grub") {
786         get_mandatory_config("GRUB_MENU");        662         get_mandatory_config("GRUB_MENU");
787     }                                             663     }
788                                                   664 
789     if ($rtype eq "grub2") {                      665     if ($rtype eq "grub2") {
790         get_mandatory_config("GRUB_MENU");        666         get_mandatory_config("GRUB_MENU");
791         get_mandatory_config("GRUB_FILE");        667         get_mandatory_config("GRUB_FILE");
792     }                                             668     }
793                                                   669 
794     if ($rtype eq "syslinux") {                   670     if ($rtype eq "syslinux") {
795         get_mandatory_config("SYSLINUX_LABEL")    671         get_mandatory_config("SYSLINUX_LABEL");
796     }                                             672     }
797 }                                                 673 }
798                                                   674 
799 sub process_variables {                           675 sub process_variables {
800     my ($value, $remove_undef) = @_;              676     my ($value, $remove_undef) = @_;
801     my $retval = "";                              677     my $retval = "";
802                                                   678 
803     # We want to check for '\', and it is just    679     # We want to check for '\', and it is just easier
804     # to check the previous character of '$' a !! 680     # to check the previous characet of '$' and not need
805     # to worry if '$' is the first character.     681     # to worry if '$' is the first character. By adding
806     # a space to $value, we can just check [^\    682     # a space to $value, we can just check [^\\]\$ and
807     # it will still work.                         683     # it will still work.
808     $value = " $value";                           684     $value = " $value";
809                                                   685 
810     while ($value =~ /(.*?[^\\])\$\{([^\{]*?)\ !! 686     while ($value =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
811         my $begin = $1;                           687         my $begin = $1;
812         my $var = $2;                             688         my $var = $2;
813         my $end = $3;                             689         my $end = $3;
814         # append beginning of value to retval     690         # append beginning of value to retval
815         $retval = "$retval$begin";                691         $retval = "$retval$begin";
816         if ($var =~ s/^shell\s+//) {           !! 692         if (defined($variable{$var})) {
817             $retval = `$var`;                  << 
818             if ($?) {                          << 
819                 doprint "WARNING: $var returne << 
820             } else {                           << 
821                 chomp $retval;                 << 
822             }                                  << 
823         } elsif (defined($variable{$var})) {   << 
824             $retval = "$retval$variable{$var}"    693             $retval = "$retval$variable{$var}";
825         } elsif (defined($remove_undef) && $re    694         } elsif (defined($remove_undef) && $remove_undef) {
826             # for if statements, any variable     695             # for if statements, any variable that is not defined,
827             # we simple convert to 0              696             # we simple convert to 0
828             $retval = "${retval}0";               697             $retval = "${retval}0";
829         } else {                                  698         } else {
830             # put back the origin piece, but w !! 699             # put back the origin piece.
831             $retval = "$retval\$####\{$var\}"; !! 700             $retval = "$retval\$\{$var\}";
832             # This could be an option that is     701             # This could be an option that is used later, save
833             # it so we don't warn if this opti    702             # it so we don't warn if this option is not one of
834             # ktests options.                     703             # ktests options.
835             $used_options{$var} = 1;              704             $used_options{$var} = 1;
836         }                                         705         }
837         $value = "$retval$end";                !! 706         $value = $end;
838         $retval = "";                          << 
839     }                                             707     }
840     $retval = $value;                          !! 708     $retval = "$retval$value";
841                                                << 
842     # Convert the saved variables with $####{v << 
843     $retval =~ s/\$####/\$/g;                  << 
844                                                   709 
845     # remove the space added in the beginning     710     # remove the space added in the beginning
846     $retval =~ s/ //;                             711     $retval =~ s/ //;
847                                                   712 
848     return "$retval";                          !! 713     return "$retval"
849 }                                                 714 }
850                                                   715 
851 sub set_value {                                   716 sub set_value {
852     my ($lvalue, $rvalue, $override, $override    717     my ($lvalue, $rvalue, $override, $overrides, $name) = @_;
853                                                   718 
854     my $prvalue = process_variables($rvalue);     719     my $prvalue = process_variables($rvalue);
855                                                   720 
856     if ($lvalue =~ /^(TEST|BISECT|CONFIG_BISEC !! 721     if ($buildonly && $lvalue =~ /^TEST_TYPE(\[.*\])?$/ && $prvalue ne "build") {
857         $prvalue !~ /^(config_|)bisect$/ &&    << 
858         $prvalue !~ /^build$/ &&               << 
859         $prvalue !~ /^make_warnings_file$/ &&  << 
860         $buildonly) {                          << 
861                                                << 
862         # Note if a test is something other th    722         # Note if a test is something other than build, then we
863         # will need other mandatory options.      723         # will need other mandatory options.
864         if ($prvalue ne "install") {              724         if ($prvalue ne "install") {
                                                   >> 725             # for bisect, we need to check BISECT_TYPE
                                                   >> 726             if ($prvalue ne "bisect") {
                                                   >> 727                 $buildonly = 0;
                                                   >> 728             }
                                                   >> 729         } else {
                                                   >> 730             # install still limits some mandatory options.
                                                   >> 731             $buildonly = 2;
                                                   >> 732         }
                                                   >> 733     }
                                                   >> 734 
                                                   >> 735     if ($buildonly && $lvalue =~ /^BISECT_TYPE(\[.*\])?$/ && $prvalue ne "build") {
                                                   >> 736         if ($prvalue ne "install") {
865             $buildonly = 0;                       737             $buildonly = 0;
866         } else {                                  738         } else {
867             # install still limits some mandat    739             # install still limits some mandatory options.
868             $buildonly = 2;                       740             $buildonly = 2;
869         }                                         741         }
870     }                                             742     }
871                                                   743 
872     if (defined($opt{$lvalue})) {                 744     if (defined($opt{$lvalue})) {
873         if (!$override || defined(${$overrides    745         if (!$override || defined(${$overrides}{$lvalue})) {
874             my $extra = "";                       746             my $extra = "";
875             if ($override) {                      747             if ($override) {
876                 $extra = "In the same override    748                 $extra = "In the same override section!\n";
877             }                                     749             }
878             die "$name: $.: Option $lvalue def    750             die "$name: $.: Option $lvalue defined more than once!\n$extra";
879         }                                         751         }
880         ${$overrides}{$lvalue} = $prvalue;        752         ${$overrides}{$lvalue} = $prvalue;
881     }                                             753     }
882                                                   754 
883     $opt{$lvalue} = $prvalue;                     755     $opt{$lvalue} = $prvalue;
884 }                                                 756 }
885                                                   757 
886 sub set_eval {                                    758 sub set_eval {
887     my ($lvalue, $rvalue, $name) = @_;            759     my ($lvalue, $rvalue, $name) = @_;
888                                                   760 
889     my $prvalue = process_variables($rvalue);     761     my $prvalue = process_variables($rvalue);
890     my $arr;                                      762     my $arr;
891                                                   763 
892     if (defined($evals{$lvalue})) {               764     if (defined($evals{$lvalue})) {
893         $arr = $evals{$lvalue};                   765         $arr = $evals{$lvalue};
894     } else {                                      766     } else {
895         $arr = [];                                767         $arr = [];
896         $evals{$lvalue} = $arr;                   768         $evals{$lvalue} = $arr;
897     }                                             769     }
898                                                   770 
899     push @{$arr}, $rvalue;                        771     push @{$arr}, $rvalue;
900 }                                                 772 }
901                                                   773 
902 sub set_variable {                                774 sub set_variable {
903     my ($lvalue, $rvalue) = @_;                   775     my ($lvalue, $rvalue) = @_;
904                                                   776 
905     if ($rvalue =~ /^\s*$/) {                     777     if ($rvalue =~ /^\s*$/) {
906         delete $variable{$lvalue};                778         delete $variable{$lvalue};
907     } else {                                      779     } else {
908         $rvalue = process_variables($rvalue);     780         $rvalue = process_variables($rvalue);
909         $variable{$lvalue} = $rvalue;             781         $variable{$lvalue} = $rvalue;
910     }                                             782     }
911 }                                                 783 }
912                                                   784 
913 sub process_compare {                             785 sub process_compare {
914     my ($lval, $cmp, $rval) = @_;                 786     my ($lval, $cmp, $rval) = @_;
915                                                   787 
916     # remove whitespace                           788     # remove whitespace
917                                                   789 
918     $lval =~ s/^\s*//;                            790     $lval =~ s/^\s*//;
919     $lval =~ s/\s*$//;                            791     $lval =~ s/\s*$//;
920                                                   792 
921     $rval =~ s/^\s*//;                            793     $rval =~ s/^\s*//;
922     $rval =~ s/\s*$//;                            794     $rval =~ s/\s*$//;
923                                                   795 
924     if ($cmp eq "==") {                           796     if ($cmp eq "==") {
925         return $lval eq $rval;                    797         return $lval eq $rval;
926     } elsif ($cmp eq "!=") {                      798     } elsif ($cmp eq "!=") {
927         return $lval ne $rval;                    799         return $lval ne $rval;
928     } elsif ($cmp eq "=~") {                      800     } elsif ($cmp eq "=~") {
929         return $lval =~ m/$rval/;                 801         return $lval =~ m/$rval/;
930     } elsif ($cmp eq "!~") {                      802     } elsif ($cmp eq "!~") {
931         return $lval !~ m/$rval/;                 803         return $lval !~ m/$rval/;
932     }                                             804     }
933                                                   805 
934     my $statement = "$lval $cmp $rval";           806     my $statement = "$lval $cmp $rval";
935     my $ret = eval $statement;                    807     my $ret = eval $statement;
936                                                   808 
937     # $@ stores error of eval                     809     # $@ stores error of eval
938     if ($@) {                                     810     if ($@) {
939         return -1;                                811         return -1;
940     }                                             812     }
941                                                   813 
942     return $ret;                                  814     return $ret;
943 }                                                 815 }
944                                                   816 
945 sub value_defined {                               817 sub value_defined {
946     my ($val) = @_;                               818     my ($val) = @_;
947                                                   819 
948     return defined($variable{$2}) ||              820     return defined($variable{$2}) ||
949         defined($opt{$2});                        821         defined($opt{$2});
950 }                                                 822 }
951                                                   823 
                                                   >> 824 my $d = 0;
952 sub process_expression {                          825 sub process_expression {
953     my ($name, $val) = @_;                        826     my ($name, $val) = @_;
954                                                   827 
955     my $c = $d++;                                 828     my $c = $d++;
956                                                   829 
957     while ($val =~ s/\(([^\(]*?)\)/\&\&\&\&VAL    830     while ($val =~ s/\(([^\(]*?)\)/\&\&\&\&VAL\&\&\&\&/) {
958         my $express = $1;                         831         my $express = $1;
959                                                   832 
960         if (process_expression($name, $express    833         if (process_expression($name, $express)) {
961             $val =~ s/\&\&\&\&VAL\&\&\&\&/ 1 /    834             $val =~ s/\&\&\&\&VAL\&\&\&\&/ 1 /;
962         } else {                                  835         } else {
963             $val =~ s/\&\&\&\&VAL\&\&\&\&/ 0 /    836             $val =~ s/\&\&\&\&VAL\&\&\&\&/ 0 /;
964         }                                         837         }
965     }                                             838     }
966                                                   839 
967     $d--;                                         840     $d--;
968     my $OR = "\\|\\|";                            841     my $OR = "\\|\\|";
969     my $AND = "\\&\\&";                           842     my $AND = "\\&\\&";
970                                                   843 
971     while ($val =~ s/^(.*?)($OR|$AND)//) {        844     while ($val =~ s/^(.*?)($OR|$AND)//) {
972         my $express = $1;                         845         my $express = $1;
973         my $op = $2;                              846         my $op = $2;
974                                                   847 
975         if (process_expression($name, $express    848         if (process_expression($name, $express)) {
976             if ($op eq "||") {                    849             if ($op eq "||") {
977                 return 1;                         850                 return 1;
978             }                                     851             }
979         } else {                                  852         } else {
980             if ($op eq "&&") {                    853             if ($op eq "&&") {
981                 return 0;                         854                 return 0;
982             }                                     855             }
983         }                                         856         }
984     }                                             857     }
985                                                   858 
986     if ($val =~ /(.*)(==|\!=|>=|<=|>|<|=~|\!~)    859     if ($val =~ /(.*)(==|\!=|>=|<=|>|<|=~|\!~)(.*)/) {
987         my $ret = process_compare($1, $2, $3);    860         my $ret = process_compare($1, $2, $3);
988         if ($ret < 0) {                           861         if ($ret < 0) {
989             die "$name: $.: Unable to process     862             die "$name: $.: Unable to process comparison\n";
990         }                                         863         }
991         return $ret;                              864         return $ret;
992     }                                             865     }
993                                                   866 
994     if ($val =~ /^\s*(NOT\s*)?DEFINED\s+(\S+)\    867     if ($val =~ /^\s*(NOT\s*)?DEFINED\s+(\S+)\s*$/) {
995         if (defined $1) {                         868         if (defined $1) {
996             return !value_defined($2);            869             return !value_defined($2);
997         } else {                                  870         } else {
998             return value_defined($2);             871             return value_defined($2);
999         }                                         872         }
1000     }                                            873     }
1001                                                  874 
1002     if ($val =~ s/^\s*NOT\s+(.*)//) {         << 
1003         my $express = $1;                     << 
1004         my $ret = process_expression($name, $ << 
1005         return !$ret;                         << 
1006     }                                         << 
1007                                               << 
1008     if ($val =~ /^\s*0\s*$/) {                   875     if ($val =~ /^\s*0\s*$/) {
1009         return 0;                                876         return 0;
1010     } elsif ($val =~ /^\s*\d+\s*$/) {            877     } elsif ($val =~ /^\s*\d+\s*$/) {
1011         return 1;                                878         return 1;
1012     }                                            879     }
1013                                                  880 
1014     die ("$name: $.: Undefined content $val i    881     die ("$name: $.: Undefined content $val in if statement\n");
1015 }                                                882 }
1016                                                  883 
1017 sub process_if {                                 884 sub process_if {
1018     my ($name, $value) = @_;                     885     my ($name, $value) = @_;
1019                                                  886 
1020     # Convert variables and replace undefined    887     # Convert variables and replace undefined ones with 0
1021     my $val = process_variables($value, 1);      888     my $val = process_variables($value, 1);
1022     my $ret = process_expression $name, $val;    889     my $ret = process_expression $name, $val;
1023                                                  890 
1024     return $ret;                                 891     return $ret;
1025 }                                                892 }
1026                                                  893 
1027 sub __read_config {                              894 sub __read_config {
1028     my ($config, $current_test_num) = @_;        895     my ($config, $current_test_num) = @_;
1029                                                  896 
1030     my $in;                                      897     my $in;
1031     open($in, $config) || die "can't read fil    898     open($in, $config) || die "can't read file $config";
1032                                                  899 
1033     my $name = $config;                          900     my $name = $config;
1034     $name =~ s,.*/(.*),$1,;                      901     $name =~ s,.*/(.*),$1,;
1035                                                  902 
1036     my $test_num = $$current_test_num;           903     my $test_num = $$current_test_num;
1037     my $default = 1;                             904     my $default = 1;
1038     my $repeat = 1;                              905     my $repeat = 1;
1039     my $num_tests_set = 0;                       906     my $num_tests_set = 0;
1040     my $skip = 0;                                907     my $skip = 0;
1041     my $rest;                                    908     my $rest;
1042     my $line;                                    909     my $line;
1043     my $test_case = 0;                           910     my $test_case = 0;
1044     my $if = 0;                                  911     my $if = 0;
1045     my $if_set = 0;                              912     my $if_set = 0;
1046     my $override = 0;                            913     my $override = 0;
1047                                                  914 
1048     my %overrides;                               915     my %overrides;
1049                                                  916 
1050     while (<$in>) {                              917     while (<$in>) {
1051                                                  918 
1052         # ignore blank lines and comments        919         # ignore blank lines and comments
1053         next if (/^\s*$/ || /\s*\#/);            920         next if (/^\s*$/ || /\s*\#/);
1054                                                  921 
1055         if (/^\s*(TEST_START|DEFAULTS)\b(.*)/    922         if (/^\s*(TEST_START|DEFAULTS)\b(.*)/) {
1056                                                  923 
1057             my $type = $1;                       924             my $type = $1;
1058             $rest = $2;                          925             $rest = $2;
1059             $line = $2;                          926             $line = $2;
1060                                                  927 
1061             my $old_test_num;                    928             my $old_test_num;
1062             my $old_repeat;                      929             my $old_repeat;
1063             $override = 0;                       930             $override = 0;
1064                                                  931 
1065             if ($type eq "TEST_START") {         932             if ($type eq "TEST_START") {
                                                   >> 933 
1066                 if ($num_tests_set) {            934                 if ($num_tests_set) {
1067                     die "$name: $.: Can not s    935                     die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
1068                 }                                936                 }
1069                                                  937 
1070                 $old_test_num = $test_num;       938                 $old_test_num = $test_num;
1071                 $old_repeat = $repeat;           939                 $old_repeat = $repeat;
1072                                                  940 
1073                 $test_num += $repeat;            941                 $test_num += $repeat;
1074                 $default = 0;                    942                 $default = 0;
1075                 $repeat = 1;                     943                 $repeat = 1;
1076             } else {                             944             } else {
1077                 $default = 1;                    945                 $default = 1;
1078             }                                    946             }
1079                                                  947 
1080             # If SKIP is anywhere in the line    948             # If SKIP is anywhere in the line, the command will be skipped
1081             if ($rest =~ s/\s+SKIP\b//) {        949             if ($rest =~ s/\s+SKIP\b//) {
1082                 $skip = 1;                       950                 $skip = 1;
1083             } else {                             951             } else {
1084                 $test_case = 1;                  952                 $test_case = 1;
1085                 $skip = 0;                       953                 $skip = 0;
1086             }                                    954             }
1087                                                  955 
1088             if ($rest =~ s/\sELSE\b//) {         956             if ($rest =~ s/\sELSE\b//) {
1089                 if (!$if) {                      957                 if (!$if) {
1090                     die "$name: $.: ELSE foun    958                     die "$name: $.: ELSE found with out matching IF section\n$_";
1091                 }                                959                 }
1092                 $if = 0;                         960                 $if = 0;
1093                                                  961 
1094                 if ($if_set) {                   962                 if ($if_set) {
1095                     $skip = 1;                   963                     $skip = 1;
1096                 } else {                         964                 } else {
1097                     $skip = 0;                   965                     $skip = 0;
1098                 }                                966                 }
1099             }                                    967             }
1100                                                  968 
1101             if ($rest =~ s/\sIF\s+(.*)//) {      969             if ($rest =~ s/\sIF\s+(.*)//) {
1102                 if (process_if($name, $1)) {     970                 if (process_if($name, $1)) {
1103                     $if_set = 1;                 971                     $if_set = 1;
1104                 } else {                         972                 } else {
1105                     $skip = 1;                   973                     $skip = 1;
1106                 }                                974                 }
1107                 $if = 1;                         975                 $if = 1;
1108             } else {                             976             } else {
1109                 $if = 0;                         977                 $if = 0;
1110                 $if_set = 0;                     978                 $if_set = 0;
1111             }                                    979             }
1112                                                  980 
1113             if (!$skip) {                        981             if (!$skip) {
1114                 if ($type eq "TEST_START") {     982                 if ($type eq "TEST_START") {
1115                     if ($rest =~ s/\s+ITERATE    983                     if ($rest =~ s/\s+ITERATE\s+(\d+)//) {
1116                         $repeat = $1;            984                         $repeat = $1;
1117                         $repeat_tests{"$test_    985                         $repeat_tests{"$test_num"} = $repeat;
1118                     }                            986                     }
1119                 } elsif ($rest =~ s/\sOVERRID    987                 } elsif ($rest =~ s/\sOVERRIDE\b//) {
1120                     # DEFAULT only               988                     # DEFAULT only
1121                     $override = 1;               989                     $override = 1;
1122                     # Clear previous override    990                     # Clear previous overrides
1123                     %overrides = ();             991                     %overrides = ();
1124                 }                                992                 }
1125             }                                    993             }
1126                                                  994 
1127             if (!$skip && $rest !~ /^\s*$/) {    995             if (!$skip && $rest !~ /^\s*$/) {
1128                 die "$name: $.: Garbage found !! 996                 die "$name: $.: Gargbage found after $type\n$_";
1129             }                                    997             }
1130                                                  998 
1131             if ($skip && $type eq "TEST_START    999             if ($skip && $type eq "TEST_START") {
1132                 $test_num = $old_test_num;       1000                 $test_num = $old_test_num;
1133                 $repeat = $old_repeat;           1001                 $repeat = $old_repeat;
1134             }                                    1002             }
                                                   >> 1003 
1135         } elsif (/^\s*ELSE\b(.*)$/) {            1004         } elsif (/^\s*ELSE\b(.*)$/) {
1136             if (!$if) {                          1005             if (!$if) {
1137                 die "$name: $.: ELSE found wi    1006                 die "$name: $.: ELSE found with out matching IF section\n$_";
1138             }                                    1007             }
1139             $rest = $1;                          1008             $rest = $1;
1140             if ($if_set) {                       1009             if ($if_set) {
1141                 $skip = 1;                       1010                 $skip = 1;
1142                 $rest = "";                      1011                 $rest = "";
1143             } else {                             1012             } else {
1144                 $skip = 0;                       1013                 $skip = 0;
1145                                                  1014 
1146                 if ($rest =~ /\sIF\s+(.*)/) {    1015                 if ($rest =~ /\sIF\s+(.*)/) {
1147                     # May be a ELSE IF sectio    1016                     # May be a ELSE IF section.
1148                     if (process_if($name, $1)    1017                     if (process_if($name, $1)) {
1149                         $if_set = 1;             1018                         $if_set = 1;
1150                     } else {                     1019                     } else {
1151                         $skip = 1;               1020                         $skip = 1;
1152                     }                            1021                     }
1153                     $rest = "";                  1022                     $rest = "";
1154                 } else {                         1023                 } else {
1155                     $if = 0;                     1024                     $if = 0;
1156                 }                                1025                 }
1157             }                                    1026             }
1158                                                  1027 
1159             if ($rest !~ /^\s*$/) {              1028             if ($rest !~ /^\s*$/) {
1160                 die "$name: $.: Garbage found !! 1029                 die "$name: $.: Gargbage found after DEFAULTS\n$_";
1161             }                                    1030             }
1162                                                  1031 
1163         } elsif (/^\s*INCLUDE\s+(\S+)/) {        1032         } elsif (/^\s*INCLUDE\s+(\S+)/) {
1164                                                  1033 
1165             next if ($skip);                     1034             next if ($skip);
1166                                                  1035 
1167             if (!$default) {                     1036             if (!$default) {
1168                 die "$name: $.: INCLUDE can o    1037                 die "$name: $.: INCLUDE can only be done in default sections\n$_";
1169             }                                    1038             }
1170                                                  1039 
1171             my $file = process_variables($1);    1040             my $file = process_variables($1);
1172                                                  1041 
1173             if ($file !~ m,^/,) {                1042             if ($file !~ m,^/,) {
1174                 # check the path of the confi    1043                 # check the path of the config file first
1175                 if ($config =~ m,(.*)/,) {       1044                 if ($config =~ m,(.*)/,) {
1176                     if (-f "$1/$file") {         1045                     if (-f "$1/$file") {
1177                         $file = "$1/$file";      1046                         $file = "$1/$file";
1178                     }                            1047                     }
1179                 }                                1048                 }
1180             }                                    1049             }
1181                                               !! 1050                 
1182             if ( ! -r $file ) {                  1051             if ( ! -r $file ) {
1183                 die "$name: $.: Can't read fi    1052                 die "$name: $.: Can't read file $file\n$_";
1184             }                                    1053             }
1185                                                  1054 
1186             if (__read_config($file, \$test_n    1055             if (__read_config($file, \$test_num)) {
1187                 $test_case = 1;                  1056                 $test_case = 1;
1188             }                                    1057             }
1189                                                  1058 
1190         } elsif (/^\s*([A-Z_\[\]\d]+)\s*=~\s*    1059         } elsif (/^\s*([A-Z_\[\]\d]+)\s*=~\s*(.*?)\s*$/) {
1191                                                  1060 
1192             next if ($skip);                     1061             next if ($skip);
1193                                                  1062 
1194             my $lvalue = $1;                     1063             my $lvalue = $1;
1195             my $rvalue = $2;                     1064             my $rvalue = $2;
1196                                                  1065 
1197             if ($default || $lvalue =~ /\[\d+    1066             if ($default || $lvalue =~ /\[\d+\]$/) {
1198                 set_eval($lvalue, $rvalue, $n    1067                 set_eval($lvalue, $rvalue, $name);
1199             } else {                             1068             } else {
1200                 my $val = "$lvalue\[$test_num    1069                 my $val = "$lvalue\[$test_num\]";
1201                 set_eval($val, $rvalue, $name    1070                 set_eval($val, $rvalue, $name);
1202             }                                    1071             }
1203                                                  1072 
1204         } elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(    1073         } elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(.*?)\s*$/) {
1205                                                  1074 
1206             next if ($skip);                     1075             next if ($skip);
1207                                                  1076 
1208             my $lvalue = $1;                     1077             my $lvalue = $1;
1209             my $rvalue = $2;                     1078             my $rvalue = $2;
1210                                                  1079 
1211             if (!$default &&                     1080             if (!$default &&
1212                 ($lvalue eq "NUM_TESTS" ||       1081                 ($lvalue eq "NUM_TESTS" ||
1213                  $lvalue eq "LOG_FILE" ||        1082                  $lvalue eq "LOG_FILE" ||
1214                  $lvalue eq "CLEAR_LOG")) {      1083                  $lvalue eq "CLEAR_LOG")) {
1215                 die "$name: $.: $lvalue must     1084                 die "$name: $.: $lvalue must be set in DEFAULTS section\n";
1216             }                                    1085             }
1217                                                  1086 
1218             if ($lvalue eq "NUM_TESTS") {        1087             if ($lvalue eq "NUM_TESTS") {
1219                 if ($test_num) {                 1088                 if ($test_num) {
1220                     die "$name: $.: Can not s    1089                     die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
1221                 }                                1090                 }
1222                 if (!$default) {                 1091                 if (!$default) {
1223                     die "$name: $.: NUM_TESTS    1092                     die "$name: $.: NUM_TESTS must be set in default section\n";
1224                 }                                1093                 }
1225                 $num_tests_set = 1;              1094                 $num_tests_set = 1;
1226             }                                    1095             }
1227                                                  1096 
1228             if ($default || $lvalue =~ /\[\d+    1097             if ($default || $lvalue =~ /\[\d+\]$/) {
1229                 set_value($lvalue, $rvalue, $    1098                 set_value($lvalue, $rvalue, $override, \%overrides, $name);
1230             } else {                             1099             } else {
1231                 my $val = "$lvalue\[$test_num    1100                 my $val = "$lvalue\[$test_num\]";
1232                 set_value($val, $rvalue, $ove    1101                 set_value($val, $rvalue, $override, \%overrides, $name);
1233                                                  1102 
1234                 if ($repeat > 1) {               1103                 if ($repeat > 1) {
1235                     $repeats{$val} = $repeat;    1104                     $repeats{$val} = $repeat;
1236                 }                                1105                 }
1237             }                                    1106             }
1238         } elsif (/^\s*([A-Z_\[\]\d]+)\s*:=\s*    1107         } elsif (/^\s*([A-Z_\[\]\d]+)\s*:=\s*(.*?)\s*$/) {
1239             next if ($skip);                     1108             next if ($skip);
1240                                                  1109 
1241             my $lvalue = $1;                     1110             my $lvalue = $1;
1242             my $rvalue = $2;                     1111             my $rvalue = $2;
1243                                                  1112 
1244             # process config variables.          1113             # process config variables.
1245             # Config variables are only activ    1114             # Config variables are only active while reading the
1246             # config and can be defined anywh    1115             # config and can be defined anywhere. They also ignore
1247             # TEST_START and DEFAULTS, but ar    1116             # TEST_START and DEFAULTS, but are skipped if they are in
1248             # on of these sections that have     1117             # on of these sections that have SKIP defined.
1249             # The save variable can be           1118             # The save variable can be
1250             # defined multiple times and the     1119             # defined multiple times and the new one simply overrides
1251             # the previous one.               !! 1120             # the prevous one.
1252             set_variable($lvalue, $rvalue);      1121             set_variable($lvalue, $rvalue);
1253                                                  1122 
1254         } else {                                 1123         } else {
1255             die "$name: $.: Garbage found in     1124             die "$name: $.: Garbage found in config\n$_";
1256         }                                        1125         }
1257     }                                            1126     }
1258                                                  1127 
1259     if ($test_num) {                             1128     if ($test_num) {
1260         $test_num += $repeat - 1;                1129         $test_num += $repeat - 1;
1261         $opt{"NUM_TESTS"} = $test_num;           1130         $opt{"NUM_TESTS"} = $test_num;
1262     }                                            1131     }
1263                                                  1132 
1264     close($in);                                  1133     close($in);
1265                                                  1134 
1266     $$current_test_num = $test_num;              1135     $$current_test_num = $test_num;
1267                                                  1136 
1268     return $test_case;                           1137     return $test_case;
1269 }                                                1138 }
1270                                                  1139 
1271 sub get_test_case {                              1140 sub get_test_case {
1272     print "What test case would you like to r !! 1141         print "What test case would you like to run?\n";
1273     print " (build, install or boot)\n";      !! 1142         print " (build, install or boot)\n";
1274     print " Other tests are available but req !! 1143         print " Other tests are available but require editing the config file\n";
1275     print " (see tools/testing/ktest/sample.c !! 1144         my $ans = <STDIN>;
1276     my $ans = <STDIN>;                        !! 1145         chomp $ans;
1277     chomp $ans;                               !! 1146         $default{"TEST_TYPE"} = $ans;
1278     $default{"TEST_TYPE"} = $ans;             << 
1279 }                                                1147 }
1280                                                  1148 
1281 sub read_config {                                1149 sub read_config {
1282     my ($config) = @_;                           1150     my ($config) = @_;
1283                                                  1151 
1284     my $test_case;                               1152     my $test_case;
1285     my $test_num = 0;                            1153     my $test_num = 0;
1286                                                  1154 
1287     $test_case = __read_config $config, \$tes    1155     $test_case = __read_config $config, \$test_num;
1288                                                  1156 
1289     # make sure we have all mandatory configs    1157     # make sure we have all mandatory configs
1290     get_mandatory_configs;                       1158     get_mandatory_configs;
1291                                                  1159 
1292     # was a test specified?                      1160     # was a test specified?
1293     if (!$test_case) {                           1161     if (!$test_case) {
1294         print "No test case specified.\n";       1162         print "No test case specified.\n";
1295         get_test_case;                           1163         get_test_case;
1296     }                                            1164     }
1297                                                  1165 
1298     # set any defaults                           1166     # set any defaults
1299                                                  1167 
1300     foreach my $default (keys %default) {        1168     foreach my $default (keys %default) {
1301         if (!defined($opt{$default})) {          1169         if (!defined($opt{$default})) {
1302             $opt{$default} = $default{$defaul    1170             $opt{$default} = $default{$default};
1303         }                                        1171         }
1304     }                                            1172     }
1305                                                  1173 
1306     if ($opt{"IGNORE_UNUSED"} == 1) {            1174     if ($opt{"IGNORE_UNUSED"} == 1) {
1307         return;                                  1175         return;
1308     }                                            1176     }
1309                                                  1177 
1310     my %not_used;                                1178     my %not_used;
1311                                                  1179 
1312     # check if there are any stragglers (typo    1180     # check if there are any stragglers (typos?)
1313     foreach my $option (keys %opt) {             1181     foreach my $option (keys %opt) {
1314         my $op = $option;                        1182         my $op = $option;
1315         # remove per test labels.                1183         # remove per test labels.
1316         $op =~ s/\[.*\]//;                       1184         $op =~ s/\[.*\]//;
1317         if (!exists($option_map{$op}) &&         1185         if (!exists($option_map{$op}) &&
1318             !exists($default{$op}) &&            1186             !exists($default{$op}) &&
1319             !exists($used_options{$op})) {       1187             !exists($used_options{$op})) {
1320             $not_used{$op} = 1;                  1188             $not_used{$op} = 1;
1321         }                                        1189         }
1322     }                                            1190     }
1323                                                  1191 
1324     if (%not_used) {                             1192     if (%not_used) {
1325         my $s = "s are";                         1193         my $s = "s are";
1326         $s = " is" if (keys %not_used == 1);     1194         $s = " is" if (keys %not_used == 1);
1327         print "The following option$s not use    1195         print "The following option$s not used; could be a typo:\n";
1328         foreach my $option (keys %not_used) {    1196         foreach my $option (keys %not_used) {
1329             print "$option\n";                   1197             print "$option\n";
1330         }                                        1198         }
1331         print "Set IGNORE_UNUSED = 1 to have  !! 1199         print "Set IGRNORE_UNUSED = 1 to have ktest ignore unused variables\n";
1332         if (!read_yn "Do you want to continue    1200         if (!read_yn "Do you want to continue?") {
1333             exit -1;                             1201             exit -1;
1334         }                                        1202         }
1335     }                                            1203     }
1336 }                                                1204 }
1337                                                  1205 
1338 sub __eval_option {                              1206 sub __eval_option {
1339     my ($name, $option, $i) = @_;                1207     my ($name, $option, $i) = @_;
1340                                                  1208 
1341     # Add space to evaluate the character bef    1209     # Add space to evaluate the character before $
1342     $option = " $option";                        1210     $option = " $option";
1343     my $retval = "";                             1211     my $retval = "";
1344     my $repeated = 0;                            1212     my $repeated = 0;
1345     my $parent = 0;                              1213     my $parent = 0;
1346                                                  1214 
1347     foreach my $test (keys %repeat_tests) {      1215     foreach my $test (keys %repeat_tests) {
1348         if ($i >= $test &&                       1216         if ($i >= $test &&
1349             $i < $test + $repeat_tests{$test}    1217             $i < $test + $repeat_tests{$test}) {
1350                                                  1218 
1351             $repeated = 1;                       1219             $repeated = 1;
1352             $parent = $test;                     1220             $parent = $test;
1353             last;                                1221             last;
1354         }                                        1222         }
1355     }                                            1223     }
1356                                                  1224 
1357     while ($option =~ /(.*?[^\\])\$\{(.*?)\}(    1225     while ($option =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
1358         my $start = $1;                          1226         my $start = $1;
1359         my $var = $2;                            1227         my $var = $2;
1360         my $end = $3;                            1228         my $end = $3;
1361                                                  1229 
1362         # Append beginning of line               1230         # Append beginning of line
1363         $retval = "$retval$start";               1231         $retval = "$retval$start";
1364                                                  1232 
1365         # If the iteration option OPT[$i] exi    1233         # If the iteration option OPT[$i] exists, then use that.
1366         # otherwise see if the default OPT (w    1234         # otherwise see if the default OPT (without [$i]) exists.
1367                                                  1235 
1368         my $o = "$var\[$i\]";                    1236         my $o = "$var\[$i\]";
1369         my $parento = "$var\[$parent\]";         1237         my $parento = "$var\[$parent\]";
1370                                                  1238 
1371         # If a variable contains itself, use     1239         # If a variable contains itself, use the default var
1372         if (($var eq $name) && defined($opt{$    1240         if (($var eq $name) && defined($opt{$var})) {
1373             $o = $opt{$var};                     1241             $o = $opt{$var};
1374             $retval = "$retval$o";               1242             $retval = "$retval$o";
1375         } elsif (defined($opt{$o})) {            1243         } elsif (defined($opt{$o})) {
1376             $o = $opt{$o};                       1244             $o = $opt{$o};
1377             $retval = "$retval$o";               1245             $retval = "$retval$o";
1378         } elsif ($repeated && defined($opt{$p    1246         } elsif ($repeated && defined($opt{$parento})) {
1379             $o = $opt{$parento};                 1247             $o = $opt{$parento};
1380             $retval = "$retval$o";               1248             $retval = "$retval$o";
1381         } elsif (defined($opt{$var})) {          1249         } elsif (defined($opt{$var})) {
1382             $o = $opt{$var};                     1250             $o = $opt{$var};
1383             $retval = "$retval$o";               1251             $retval = "$retval$o";
1384         } elsif ($var eq "KERNEL_VERSION" &&     1252         } elsif ($var eq "KERNEL_VERSION" && defined($make)) {
1385             # special option KERNEL_VERSION u    1253             # special option KERNEL_VERSION uses kernel version
1386             get_version();                       1254             get_version();
1387             $retval = "$retval$version";         1255             $retval = "$retval$version";
1388         } else {                                 1256         } else {
1389             $retval = "$retval\$\{$var\}";       1257             $retval = "$retval\$\{$var\}";
1390         }                                        1258         }
1391                                                  1259 
1392         $option = $end;                          1260         $option = $end;
1393     }                                            1261     }
1394                                                  1262 
1395     $retval = "$retval$option";                  1263     $retval = "$retval$option";
1396                                                  1264 
1397     $retval =~ s/^ //;                           1265     $retval =~ s/^ //;
1398                                                  1266 
1399     return $retval;                              1267     return $retval;
1400 }                                                1268 }
1401                                                  1269 
1402 sub process_evals {                              1270 sub process_evals {
1403     my ($name, $option, $i) = @_;                1271     my ($name, $option, $i) = @_;
1404                                                  1272 
1405     my $option_name = "$name\[$i\]";             1273     my $option_name = "$name\[$i\]";
1406     my $ev;                                      1274     my $ev;
1407                                                  1275 
1408     my $old_option = $option;                    1276     my $old_option = $option;
1409                                                  1277 
1410     if (defined($evals{$option_name})) {         1278     if (defined($evals{$option_name})) {
1411         $ev = $evals{$option_name};              1279         $ev = $evals{$option_name};
1412     } elsif (defined($evals{$name})) {           1280     } elsif (defined($evals{$name})) {
1413         $ev = $evals{$name};                     1281         $ev = $evals{$name};
1414     } else {                                     1282     } else {
1415         return $option;                          1283         return $option;
1416     }                                            1284     }
1417                                                  1285 
1418     for my $e (@{$ev}) {                         1286     for my $e (@{$ev}) {
1419         eval "\$option =~ $e";                   1287         eval "\$option =~ $e";
1420     }                                            1288     }
1421                                                  1289 
1422     if ($option ne $old_option) {                1290     if ($option ne $old_option) {
1423         doprint("$name changed from '$old_opt    1291         doprint("$name changed from '$old_option' to '$option'\n");
1424     }                                            1292     }
1425                                                  1293 
1426     return $option;                              1294     return $option;
1427 }                                                1295 }
1428                                                  1296 
1429 sub eval_option {                                1297 sub eval_option {
1430     my ($name, $option, $i) = @_;                1298     my ($name, $option, $i) = @_;
1431                                                  1299 
1432     my $prev = "";                               1300     my $prev = "";
1433                                                  1301 
1434     # Since an option can evaluate to another    1302     # Since an option can evaluate to another option,
1435     # keep iterating until we do not evaluate    1303     # keep iterating until we do not evaluate any more
1436     # options.                                   1304     # options.
1437     my $r = 0;                                   1305     my $r = 0;
1438     while ($prev ne $option) {                   1306     while ($prev ne $option) {
1439         # Check for recursive evaluations.       1307         # Check for recursive evaluations.
1440         # 100 deep should be more than enough    1308         # 100 deep should be more than enough.
1441         if ($r++ > 100) {                        1309         if ($r++ > 100) {
1442             die "Over 100 evaluations occurre !! 1310             die "Over 100 evaluations accurred with $option\n" .
1443                 "Check for recursive variable    1311                 "Check for recursive variables\n";
1444         }                                        1312         }
1445         $prev = $option;                         1313         $prev = $option;
1446         $option = __eval_option($name, $optio    1314         $option = __eval_option($name, $option, $i);
1447     }                                            1315     }
1448                                                  1316 
1449     $option = process_evals($name, $option, $    1317     $option = process_evals($name, $option, $i);
1450                                                  1318 
1451     return $option;                              1319     return $option;
1452 }                                                1320 }
1453                                                  1321 
                                                   >> 1322 sub run_command;
                                                   >> 1323 sub start_monitor;
                                                   >> 1324 sub end_monitor;
                                                   >> 1325 sub wait_for_monitor;
                                                   >> 1326 
1454 sub reboot {                                     1327 sub reboot {
1455     my ($time) = @_;                             1328     my ($time) = @_;
1456     my $powercycle = 0;                          1329     my $powercycle = 0;
1457                                                  1330 
1458     # test if the machine can be connected to !! 1331     # test if the machine can be connected to within 5 seconds
1459     my $stat = run_ssh("echo check machine st !! 1332     my $stat = run_ssh("echo check machine status", 5);
1460     if (!$stat) {                                1333     if (!$stat) {
1461         doprint("power cycle\n");                1334         doprint("power cycle\n");
1462         $powercycle = 1;                         1335         $powercycle = 1;
1463     }                                            1336     }
1464                                                  1337 
1465     if ($powercycle) {                           1338     if ($powercycle) {
1466         run_command "$power_cycle";              1339         run_command "$power_cycle";
1467                                                  1340 
1468         start_monitor;                           1341         start_monitor;
1469         # flush out current monitor              1342         # flush out current monitor
1470         # May contain the reboot success line    1343         # May contain the reboot success line
1471         wait_for_monitor 1;                      1344         wait_for_monitor 1;
1472                                                  1345 
1473     } else {                                     1346     } else {
1474         # Make sure everything has been writt    1347         # Make sure everything has been written to disk
1475         run_ssh("sync", 10);                  !! 1348         run_ssh("sync");
1476                                                  1349 
1477         if (defined($time)) {                    1350         if (defined($time)) {
1478             start_monitor;                       1351             start_monitor;
1479             # flush out current monitor          1352             # flush out current monitor
1480             # May contain the reboot success     1353             # May contain the reboot success line
1481             wait_for_monitor 1;                  1354             wait_for_monitor 1;
1482         }                                        1355         }
1483                                                  1356 
1484         # try to reboot normally                 1357         # try to reboot normally
1485         if (run_command $reboot) {               1358         if (run_command $reboot) {
1486             if (defined($powercycle_after_reb    1359             if (defined($powercycle_after_reboot)) {
1487                 sleep $powercycle_after_reboo    1360                 sleep $powercycle_after_reboot;
1488                 run_command "$power_cycle";      1361                 run_command "$power_cycle";
1489             }                                    1362             }
1490         } else {                                 1363         } else {
1491             # nope? power cycle it.              1364             # nope? power cycle it.
1492             run_command "$power_cycle";          1365             run_command "$power_cycle";
1493         }                                        1366         }
1494     }                                            1367     }
1495                                                  1368 
1496     if (defined($time)) {                        1369     if (defined($time)) {
1497                                                  1370 
1498         # We only want to get to the new kern    1371         # We only want to get to the new kernel, don't fail
1499         # if we stumble over a call trace.       1372         # if we stumble over a call trace.
1500         my $save_ignore_errors = $ignore_erro    1373         my $save_ignore_errors = $ignore_errors;
1501         $ignore_errors = 1;                      1374         $ignore_errors = 1;
1502                                                  1375 
1503         # Look for the good kernel to boot       1376         # Look for the good kernel to boot
1504         if (wait_for_monitor($time, "Linux ve    1377         if (wait_for_monitor($time, "Linux version")) {
1505             # reboot got stuck?                  1378             # reboot got stuck?
1506             doprint "Reboot did not finish. F    1379             doprint "Reboot did not finish. Forcing power cycle\n";
1507             run_command "$power_cycle";          1380             run_command "$power_cycle";
1508         }                                        1381         }
1509                                                  1382 
1510         $ignore_errors = $save_ignore_errors;    1383         $ignore_errors = $save_ignore_errors;
1511                                                  1384 
1512         # Still need to wait for the reboot t    1385         # Still need to wait for the reboot to finish
1513         wait_for_monitor($time, $reboot_succe    1386         wait_for_monitor($time, $reboot_success_line);
1514     }                                         !! 1387 
1515     if ($powercycle || $time) {               << 
1516         end_monitor;                             1388         end_monitor;
1517     }                                            1389     }
1518 }                                                1390 }
1519                                                  1391 
1520 sub reboot_to_good {                             1392 sub reboot_to_good {
1521     my ($time) = @_;                             1393     my ($time) = @_;
1522                                                  1394 
1523     if (defined($switch_to_good)) {              1395     if (defined($switch_to_good)) {
1524         run_command $switch_to_good;             1396         run_command $switch_to_good;
1525     }                                            1397     }
1526                                                  1398 
1527     reboot $time;                                1399     reboot $time;
1528 }                                                1400 }
1529                                                  1401 
1530 sub do_not_reboot {                              1402 sub do_not_reboot {
1531     my $i = $iteration;                          1403     my $i = $iteration;
1532                                                  1404 
1533     return $test_type eq "build" || $no_reboo    1405     return $test_type eq "build" || $no_reboot ||
1534         ($test_type eq "patchcheck" && $opt{"    1406         ($test_type eq "patchcheck" && $opt{"PATCHCHECK_TYPE[$i]"} eq "build") ||
1535         ($test_type eq "bisect" && $opt{"BISE !! 1407         ($test_type eq "bisect" && $opt{"BISECT_TYPE[$i]"} eq "build");
1536         ($test_type eq "config_bisect" && $op << 
1537 }                                             << 
1538                                               << 
1539 sub get_test_name() {                         << 
1540     my $name;                                 << 
1541                                               << 
1542     if (defined($test_name)) {                << 
1543         $name = "$test_name:$test_type";      << 
1544     } else {                                  << 
1545         $name = $test_type;                   << 
1546     }                                         << 
1547     return $name;                             << 
1548 }                                                1408 }
1549                                                  1409 
1550 sub dodie {                                      1410 sub dodie {
1551     # avoid recursion                         !! 1411     doprint "CRITICAL FAILURE... ", @_, "\n";
1552     return if ($in_die);                      << 
1553     $in_die = 1;                              << 
1554                                               << 
1555     if ($monitor_cnt) {                       << 
1556         # restore terminal settings           << 
1557         system("stty $stty_orig");            << 
1558     }                                         << 
1559                                                  1412 
1560     my $i = $iteration;                          1413     my $i = $iteration;
1561                                                  1414 
1562     doprint "CRITICAL FAILURE... [TEST $i] ", << 
1563                                               << 
1564     if ($reboot_on_error && !do_not_reboot) {    1415     if ($reboot_on_error && !do_not_reboot) {
                                                   >> 1416 
1565         doprint "REBOOTING\n";                   1417         doprint "REBOOTING\n";
1566         reboot_to_good;                          1418         reboot_to_good;
                                                   >> 1419 
1567     } elsif ($poweroff_on_error && defined($p    1420     } elsif ($poweroff_on_error && defined($power_off)) {
1568         doprint "POWERING OFF\n";                1421         doprint "POWERING OFF\n";
1569         `$power_off`;                            1422         `$power_off`;
1570     }                                            1423     }
1571                                                  1424 
1572     if (defined($opt{"LOG_FILE"})) {             1425     if (defined($opt{"LOG_FILE"})) {
1573         print " See $opt{LOG_FILE} for more i    1426         print " See $opt{LOG_FILE} for more info.\n";
1574     }                                            1427     }
1575                                                  1428 
1576     if ($email_on_error) {                    !! 1429     if ($monitor_cnt) {
1577         my $name = get_test_name;             !! 1430             # restore terminal settings
1578         my $log_file;                         !! 1431             system("stty $stty_orig");
1579                                               << 
1580         if (defined($opt{"LOG_FILE"})) {      << 
1581             my $whence = 2; # End of file     << 
1582             my $log_size = tell LOG;          << 
1583             my $size = $log_size - $test_log_ << 
1584                                               << 
1585             if (defined($mail_max_size)) {    << 
1586                 if ($size > $mail_max_size) { << 
1587                     $size = $mail_max_size;   << 
1588                 }                             << 
1589             }                                 << 
1590             my $pos = - $size;                << 
1591             $log_file = "$tmpdir/log";        << 
1592             open (L, "$opt{LOG_FILE}") or die << 
1593             open (O, "> $tmpdir/log") or die  << 
1594             seek(L, $pos, $whence);           << 
1595             while (<L>) {                     << 
1596                 print O;                      << 
1597             }                                 << 
1598             close O;                          << 
1599             close L;                          << 
1600         }                                     << 
1601                                               << 
1602         send_email("KTEST: critical failure f << 
1603                 "Your test started at $script << 
1604     }                                            1432     }
1605                                                  1433 
1606     if (defined($post_test)) {                   1434     if (defined($post_test)) {
1607         run_command $post_test;                  1435         run_command $post_test;
1608     }                                            1436     }
1609                                                  1437 
1610     die @_, "\n";                                1438     die @_, "\n";
1611 }                                                1439 }
1612                                                  1440 
1613 sub create_pty {                                 1441 sub create_pty {
1614     my ($ptm, $pts) = @_;                        1442     my ($ptm, $pts) = @_;
1615     my $tmp;                                     1443     my $tmp;
1616     my $TIOCSPTLCK = 0x40045431;                 1444     my $TIOCSPTLCK = 0x40045431;
1617     my $TIOCGPTN = 0x80045430;                   1445     my $TIOCGPTN = 0x80045430;
1618                                                  1446 
1619     sysopen($ptm, "/dev/ptmx", O_RDWR | O_NON    1447     sysopen($ptm, "/dev/ptmx", O_RDWR | O_NONBLOCK) or
1620         dodie "Can't open /dev/ptmx";         !! 1448         dodie "Cant open /dev/ptmx";
1621                                                  1449 
1622     # unlockpt()                                 1450     # unlockpt()
1623     $tmp = pack("i", 0);                         1451     $tmp = pack("i", 0);
1624     ioctl($ptm, $TIOCSPTLCK, $tmp) or            1452     ioctl($ptm, $TIOCSPTLCK, $tmp) or
1625         dodie "ioctl TIOCSPTLCK for /dev/ptmx    1453         dodie "ioctl TIOCSPTLCK for /dev/ptmx failed";
1626                                                  1454 
1627     # ptsname()                                  1455     # ptsname()
1628     ioctl($ptm, $TIOCGPTN, $tmp) or              1456     ioctl($ptm, $TIOCGPTN, $tmp) or
1629         dodie "ioctl TIOCGPTN for /dev/ptmx f    1457         dodie "ioctl TIOCGPTN for /dev/ptmx failed";
1630     $tmp = unpack("i", $tmp);                    1458     $tmp = unpack("i", $tmp);
1631                                                  1459 
1632     sysopen($pts, "/dev/pts/$tmp", O_RDWR | O    1460     sysopen($pts, "/dev/pts/$tmp", O_RDWR | O_NONBLOCK) or
1633         dodie "Can't open /dev/pts/$tmp";        1461         dodie "Can't open /dev/pts/$tmp";
1634 }                                                1462 }
1635                                                  1463 
1636 sub exec_console {                               1464 sub exec_console {
1637     my ($ptm, $pts) = @_;                        1465     my ($ptm, $pts) = @_;
1638                                                  1466 
1639     close($ptm);                                 1467     close($ptm);
1640                                                  1468 
1641     close(\*STDIN);                              1469     close(\*STDIN);
1642     close(\*STDOUT);                             1470     close(\*STDOUT);
1643     close(\*STDERR);                             1471     close(\*STDERR);
1644                                                  1472 
1645     open(\*STDIN, '<&', $pts);                   1473     open(\*STDIN, '<&', $pts);
1646     open(\*STDOUT, '>&', $pts);                  1474     open(\*STDOUT, '>&', $pts);
1647     open(\*STDERR, '>&', $pts);                  1475     open(\*STDERR, '>&', $pts);
1648                                                  1476 
1649     close($pts);                                 1477     close($pts);
1650                                                  1478 
1651     exec $console or                             1479     exec $console or
1652         dodie "Can't open console $console";  !! 1480         die "Can't open console $console";
1653 }                                                1481 }
1654                                                  1482 
1655 sub open_console {                               1483 sub open_console {
1656     my ($ptm) = @_;                              1484     my ($ptm) = @_;
1657     my $pts = \*PTSFD;                           1485     my $pts = \*PTSFD;
1658     my $pid;                                     1486     my $pid;
1659                                                  1487 
1660     # save terminal settings                     1488     # save terminal settings
1661     $stty_orig = `stty -g`;                      1489     $stty_orig = `stty -g`;
1662                                                  1490 
1663     # place terminal in cbreak mode so that s    1491     # place terminal in cbreak mode so that stdin can be read one character at
1664     # a time without having to wait for a new    1492     # a time without having to wait for a newline
1665     system("stty -icanon -echo -icrnl");         1493     system("stty -icanon -echo -icrnl");
1666                                                  1494 
1667     create_pty($ptm, $pts);                      1495     create_pty($ptm, $pts);
1668                                                  1496 
1669     $pid = fork;                                 1497     $pid = fork;
1670                                                  1498 
1671     if (!$pid) {                                 1499     if (!$pid) {
1672         # child                                  1500         # child
1673         exec_console($ptm, $pts)                 1501         exec_console($ptm, $pts)
1674     }                                            1502     }
1675                                                  1503 
1676     # parent                                     1504     # parent
1677     close($pts);                                 1505     close($pts);
1678                                                  1506 
1679     return $pid;                                 1507     return $pid;
1680                                                  1508 
1681     open(PTSFD, "Stop perl from warning about    1509     open(PTSFD, "Stop perl from warning about single use of PTSFD");
1682 }                                                1510 }
1683                                                  1511 
1684 sub close_console {                              1512 sub close_console {
1685     my ($fp, $pid) = @_;                         1513     my ($fp, $pid) = @_;
1686                                                  1514 
1687     doprint "kill child process $pid\n";         1515     doprint "kill child process $pid\n";
1688     kill $close_console_signal, $pid;            1516     kill $close_console_signal, $pid;
1689                                                  1517 
1690     doprint "wait for child process $pid to e << 
1691     waitpid($pid, 0);                         << 
1692                                               << 
1693     print "closing!\n";                          1518     print "closing!\n";
1694     close($fp);                                  1519     close($fp);
1695                                                  1520 
1696     # restore terminal settings                  1521     # restore terminal settings
1697     system("stty $stty_orig");                   1522     system("stty $stty_orig");
1698 }                                                1523 }
1699                                                  1524 
1700 sub start_monitor {                              1525 sub start_monitor {
1701     if ($monitor_cnt++) {                        1526     if ($monitor_cnt++) {
1702         return;                                  1527         return;
1703     }                                            1528     }
1704     $monitor_fp = \*MONFD;                       1529     $monitor_fp = \*MONFD;
1705     $monitor_pid = open_console $monitor_fp;     1530     $monitor_pid = open_console $monitor_fp;
1706                                                  1531 
1707     return;                                      1532     return;
1708                                                  1533 
1709     open(MONFD, "Stop perl from warning about    1534     open(MONFD, "Stop perl from warning about single use of MONFD");
1710 }                                                1535 }
1711                                                  1536 
1712 sub end_monitor {                                1537 sub end_monitor {
1713     return if (!defined $console);               1538     return if (!defined $console);
1714     if (--$monitor_cnt) {                        1539     if (--$monitor_cnt) {
1715         return;                                  1540         return;
1716     }                                            1541     }
1717     close_console($monitor_fp, $monitor_pid);    1542     close_console($monitor_fp, $monitor_pid);
1718 }                                                1543 }
1719                                                  1544 
1720 sub wait_for_monitor {                           1545 sub wait_for_monitor {
1721     my ($time, $stop) = @_;                      1546     my ($time, $stop) = @_;
1722     my $full_line = "";                          1547     my $full_line = "";
1723     my $line;                                    1548     my $line;
1724     my $booted = 0;                              1549     my $booted = 0;
1725     my $start_time = time;                       1550     my $start_time = time;
1726     my $skip_call_trace = 0;                     1551     my $skip_call_trace = 0;
1727     my $bug = 0;                                 1552     my $bug = 0;
1728     my $bug_ignored = 0;                         1553     my $bug_ignored = 0;
1729     my $now;                                     1554     my $now;
1730                                                  1555 
1731     doprint "** Wait for monitor to settle do    1556     doprint "** Wait for monitor to settle down **\n";
1732                                                  1557 
1733     # read the monitor and wait for the syste    1558     # read the monitor and wait for the system to calm down
1734     while (!$booted) {                           1559     while (!$booted) {
1735         $line = wait_for_input($monitor_fp, $    1560         $line = wait_for_input($monitor_fp, $time);
1736         last if (!defined($line));               1561         last if (!defined($line));
1737         print "$line";                           1562         print "$line";
1738         $full_line .= $line;                     1563         $full_line .= $line;
1739                                                  1564 
1740         if (defined($stop) && $full_line =~ /    1565         if (defined($stop) && $full_line =~ /$stop/) {
1741             doprint "wait for monitor detecte    1566             doprint "wait for monitor detected $stop\n";
1742             $booted = 1;                         1567             $booted = 1;
1743         }                                        1568         }
1744                                                  1569 
1745         if ($full_line =~ /\[ backtrace testi    1570         if ($full_line =~ /\[ backtrace testing \]/) {
1746             $skip_call_trace = 1;                1571             $skip_call_trace = 1;
1747         }                                        1572         }
1748                                                  1573 
1749         if ($full_line =~ /call trace:/i) {      1574         if ($full_line =~ /call trace:/i) {
1750             if (!$bug && !$skip_call_trace) {    1575             if (!$bug && !$skip_call_trace) {
1751                 if ($ignore_errors) {            1576                 if ($ignore_errors) {
1752                     $bug_ignored = 1;            1577                     $bug_ignored = 1;
1753                 } else {                         1578                 } else {
1754                     $bug = 1;                    1579                     $bug = 1;
1755                 }                                1580                 }
1756             }                                    1581             }
1757         }                                        1582         }
1758                                                  1583 
1759         if ($full_line =~ /\[ end of backtrac    1584         if ($full_line =~ /\[ end of backtrace testing \]/) {
1760             $skip_call_trace = 0;                1585             $skip_call_trace = 0;
1761         }                                        1586         }
1762                                                  1587 
1763         if ($full_line =~ /Kernel panic -/) {    1588         if ($full_line =~ /Kernel panic -/) {
1764             $bug = 1;                            1589             $bug = 1;
1765         }                                        1590         }
1766                                                  1591 
1767         if ($line =~ /\n/) {                     1592         if ($line =~ /\n/) {
1768             $full_line = "";                     1593             $full_line = "";
1769         }                                        1594         }
1770         $now = time;                             1595         $now = time;
1771         if ($now - $start_time >= $max_monito    1596         if ($now - $start_time >= $max_monitor_wait) {
1772             doprint "Exiting monitor flush du    1597             doprint "Exiting monitor flush due to hitting MAX_MONITOR_WAIT\n";
1773             return 1;                            1598             return 1;
1774         }                                        1599         }
1775     }                                            1600     }
1776     print "** Monitor flushed **\n";             1601     print "** Monitor flushed **\n";
1777                                                  1602 
1778     # if stop is defined but wasn't hit, retu    1603     # if stop is defined but wasn't hit, return error
1779     # used by reboot (which wants to see a re    1604     # used by reboot (which wants to see a reboot)
1780     if (defined($stop) && !$booted) {            1605     if (defined($stop) && !$booted) {
1781         $bug = 1;                                1606         $bug = 1;
1782     }                                            1607     }
1783     return $bug;                                 1608     return $bug;
1784 }                                                1609 }
1785                                                  1610 
1786 sub save_logs {                                  1611 sub save_logs {
1787     my ($result, $basedir) = @_;              !! 1612         my ($result, $basedir) = @_;
1788     my @t = localtime;                        !! 1613         my @t = localtime;
1789     my $date = sprintf "%04d%02d%02d%02d%02d% !! 1614         my $date = sprintf "%04d%02d%02d%02d%02d%02d",
1790         1900+$t[5],$t[4],$t[3],$t[2],$t[1],$t !! 1615                 1900+$t[5],$t[4],$t[3],$t[2],$t[1],$t[0];
1791                                                  1616 
1792     my $type = $build_type;                   !! 1617         my $type = $build_type;
1793     if ($type =~ /useconfig/) {               !! 1618         if ($type =~ /useconfig/) {
1794         $type = "useconfig";                  !! 1619             $type = "useconfig";
1795     }                                         !! 1620         }
1796                                                  1621 
1797     my $dir = "$machine-$test_type-$type-$res !! 1622         my $dir = "$machine-$test_type-$type-$result-$date";
1798                                                  1623 
1799     $dir = "$basedir/$dir";                   !! 1624         $dir = "$basedir/$dir";
1800                                                  1625 
1801     if (!-d $dir) {                           !! 1626         if (!-d $dir) {
1802         mkpath($dir) or                       !! 1627             mkpath($dir) or
1803             dodie "can't create $dir";        !! 1628                 die "can't create $dir";
1804     }                                         !! 1629         }
1805                                                  1630 
1806     my %files = (                             !! 1631         my %files = (
1807         "config" => $output_config,           !! 1632                 "config" => $output_config,
1808         "buildlog" => $buildlog,              !! 1633                 "buildlog" => $buildlog,
1809         "dmesg" => $dmesg,                    !! 1634                 "dmesg" => $dmesg,
1810         "testlog" => $testlog,                !! 1635                 "testlog" => $testlog,
1811     );                                        !! 1636         );
1812                                                  1637 
1813     while (my ($name, $source) = each(%files) !! 1638         while (my ($name, $source) = each(%files)) {
1814         if (-f "$source") {                   !! 1639                 if (-f "$source") {
1815             cp "$source", "$dir/$name" or     !! 1640                         cp "$source", "$dir/$name" or
1816                 dodie "failed to copy $source !! 1641                                 die "failed to copy $source";
                                                   >> 1642                 }
1817         }                                        1643         }
1818     }                                         << 
1819                                                  1644 
1820     doprint "*** Saved info to $dir ***\n";   !! 1645         doprint "*** Saved info to $dir ***\n";
1821 }                                                1646 }
1822                                                  1647 
1823 sub fail {                                       1648 sub fail {
1824                                                  1649 
1825     if ($die_on_failure) {                    !! 1650         if ($die_on_failure) {
1826         dodie @_;                             !! 1651                 dodie @_;
1827     }                                         !! 1652         }
1828                                               << 
1829     doprint "FAILED\n";                       << 
1830                                                  1653 
1831     my $i = $iteration;                       !! 1654         doprint "FAILED\n";
1832                                                  1655 
1833     # no need to reboot for just building.    !! 1656         my $i = $iteration;
1834     if (!do_not_reboot) {                     << 
1835         doprint "REBOOTING\n";                << 
1836         reboot_to_good $sleep_time;           << 
1837     }                                         << 
1838                                                  1657 
1839     my $name = "";                            !! 1658         # no need to reboot for just building.
                                                   >> 1659         if (!do_not_reboot) {
                                                   >> 1660             doprint "REBOOTING\n";
                                                   >> 1661             reboot_to_good $sleep_time;
                                                   >> 1662         }
1840                                                  1663 
1841     if (defined($test_name)) {                !! 1664         my $name = "";
1842         $name = " ($test_name)";              << 
1843     }                                         << 
1844                                                  1665 
1845     print_times;                              !! 1666         if (defined($test_name)) {
                                                   >> 1667             $name = " ($test_name)";
                                                   >> 1668         }
1846                                                  1669 
1847     doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% !! 1670         print_times;
1848     doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% << 
1849     doprint "KTEST RESULT: TEST $i$name Faile << 
1850     doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% << 
1851     doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% << 
1852                                                  1671 
1853     if (defined($store_failures)) {           !! 1672         doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
1854         save_logs "fail", $store_failures;    !! 1673         doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
1855     }                                         !! 1674         doprint "KTEST RESULT: TEST $i$name Failed: ", @_, "\n";
                                                   >> 1675         doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
                                                   >> 1676         doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
                                                   >> 1677 
                                                   >> 1678         if (defined($store_failures)) {
                                                   >> 1679             save_logs "fail", $store_failures;
                                                   >> 1680         }
1856                                                  1681 
1857     if (defined($post_test)) {                !! 1682         if (defined($post_test)) {
1858         run_command $post_test;               !! 1683                 run_command $post_test;
1859     }                                         !! 1684         }
1860                                                  1685 
1861     return 1;                                 !! 1686         return 1;
1862 }                                                1687 }
1863                                                  1688 
1864 sub run_command {                                1689 sub run_command {
1865     my ($command, $redirect, $timeout) = @_;     1690     my ($command, $redirect, $timeout) = @_;
1866     my $start_time;                              1691     my $start_time;
1867     my $end_time;                                1692     my $end_time;
1868     my $dolog = 0;                               1693     my $dolog = 0;
1869     my $dord = 0;                                1694     my $dord = 0;
1870     my $dostdout = 0;                         << 
1871     my $pid;                                     1695     my $pid;
1872     my $command_orig = $command;              << 
1873                                                  1696 
1874     $command =~ s/\$SSH_USER/$ssh_user/g;        1697     $command =~ s/\$SSH_USER/$ssh_user/g;
1875     $command =~ s/\$MACHINE/$machine/g;          1698     $command =~ s/\$MACHINE/$machine/g;
1876                                                  1699 
1877     if (!defined($timeout)) {                 << 
1878         $timeout = $run_timeout;              << 
1879     }                                         << 
1880                                               << 
1881     if (!defined($timeout)) {                 << 
1882         $timeout = -1; # tell wait_for_input  << 
1883     }                                         << 
1884                                               << 
1885     doprint("$command ... ");                    1700     doprint("$command ... ");
1886     $start_time = time;                          1701     $start_time = time;
1887                                                  1702 
1888     $pid = open(CMD, "$command 2>&1 |") or       1703     $pid = open(CMD, "$command 2>&1 |") or
1889         (fail "unable to exec $command" and r    1704         (fail "unable to exec $command" and return 0);
1890                                                  1705 
1891     if (defined($opt{"LOG_FILE"})) {             1706     if (defined($opt{"LOG_FILE"})) {
                                                   >> 1707         open(LOG, ">>$opt{LOG_FILE}") or
                                                   >> 1708             dodie "failed to write to log";
1892         $dolog = 1;                              1709         $dolog = 1;
1893     }                                            1710     }
1894                                                  1711 
1895     if (defined($redirect)) {                    1712     if (defined($redirect)) {
1896         if ($redirect eq 1) {                 !! 1713         open (RD, ">$redirect") or
1897             $dostdout = 1;                    !! 1714             dodie "failed to write to redirect $redirect";
1898             # Have the output of the command  !! 1715         $dord = 1;
1899             doprint "\n";                     << 
1900         } else {                              << 
1901             open (RD, ">$redirect") or        << 
1902                 dodie "failed to write to red << 
1903             $dord = 1;                        << 
1904         }                                     << 
1905     }                                            1716     }
1906                                                  1717 
1907     my $hit_timeout = 0;                         1718     my $hit_timeout = 0;
1908                                                  1719 
1909     while (1) {                                  1720     while (1) {
1910         my $fp = \*CMD;                          1721         my $fp = \*CMD;
                                                   >> 1722         if (defined($timeout)) {
                                                   >> 1723             doprint "timeout = $timeout\n";
                                                   >> 1724         }
1911         my $line = wait_for_input($fp, $timeo    1725         my $line = wait_for_input($fp, $timeout);
1912         if (!defined($line)) {                   1726         if (!defined($line)) {
1913             my $now = time;                      1727             my $now = time;
1914             if ($timeout >= 0 && (($now - $st !! 1728             if (defined($timeout) && (($now - $start_time) >= $timeout)) {
1915                 doprint "Hit timeout of $time    1729                 doprint "Hit timeout of $timeout, killing process\n";
1916                 $hit_timeout = 1;                1730                 $hit_timeout = 1;
1917                 kill 9, $pid;                    1731                 kill 9, $pid;
1918             }                                    1732             }
1919             last;                                1733             last;
1920         }                                        1734         }
1921         print LOG $line if ($dolog);             1735         print LOG $line if ($dolog);
1922         print RD $line if ($dord);               1736         print RD $line if ($dord);
1923         print $line if ($dostdout);           << 
1924     }                                            1737     }
1925                                                  1738 
1926     waitpid($pid, 0);                            1739     waitpid($pid, 0);
1927     # shift 8 for real exit status               1740     # shift 8 for real exit status
1928     $run_command_status = $? >> 8;               1741     $run_command_status = $? >> 8;
1929                                                  1742 
1930     if ($command_orig eq $default{REBOOT} &&  << 
1931         $run_command_status == $reboot_return << 
1932         $run_command_status = 0;              << 
1933     }                                         << 
1934                                               << 
1935     close(CMD);                                  1743     close(CMD);
                                                   >> 1744     close(LOG) if ($dolog);
1936     close(RD)  if ($dord);                       1745     close(RD)  if ($dord);
1937                                                  1746 
1938     $end_time = time;                            1747     $end_time = time;
1939     my $delta = $end_time - $start_time;         1748     my $delta = $end_time - $start_time;
1940                                                  1749 
1941     if ($delta == 1) {                           1750     if ($delta == 1) {
1942         doprint "[1 second] ";                   1751         doprint "[1 second] ";
1943     } else {                                     1752     } else {
1944         doprint "[$delta seconds] ";             1753         doprint "[$delta seconds] ";
1945     }                                            1754     }
1946                                                  1755 
1947     if ($hit_timeout) {                          1756     if ($hit_timeout) {
1948         $run_command_status = 1;                 1757         $run_command_status = 1;
1949     }                                            1758     }
1950                                                  1759 
1951     if ($run_command_status) {                   1760     if ($run_command_status) {
1952         doprint "FAILED!\n";                     1761         doprint "FAILED!\n";
1953     } else {                                     1762     } else {
1954         doprint "SUCCESS\n";                     1763         doprint "SUCCESS\n";
1955     }                                            1764     }
1956                                                  1765 
1957     return !$run_command_status;                 1766     return !$run_command_status;
1958 }                                                1767 }
1959                                                  1768 
1960 sub run_ssh {                                    1769 sub run_ssh {
1961     my ($cmd, $timeout) = @_;                    1770     my ($cmd, $timeout) = @_;
1962     my $cp_exec = $ssh_exec;                     1771     my $cp_exec = $ssh_exec;
1963                                                  1772 
1964     $cp_exec =~ s/\$SSH_COMMAND/$cmd/g;          1773     $cp_exec =~ s/\$SSH_COMMAND/$cmd/g;
1965     return run_command "$cp_exec", undef , $t    1774     return run_command "$cp_exec", undef , $timeout;
1966 }                                                1775 }
1967                                                  1776 
1968 sub run_scp {                                    1777 sub run_scp {
1969     my ($src, $dst, $cp_scp) = @_;               1778     my ($src, $dst, $cp_scp) = @_;
1970                                                  1779 
1971     $cp_scp =~ s/\$SRC_FILE/$src/g;              1780     $cp_scp =~ s/\$SRC_FILE/$src/g;
1972     $cp_scp =~ s/\$DST_FILE/$dst/g;              1781     $cp_scp =~ s/\$DST_FILE/$dst/g;
1973                                                  1782 
1974     return run_command "$cp_scp";                1783     return run_command "$cp_scp";
1975 }                                                1784 }
1976                                                  1785 
1977 sub run_scp_install {                            1786 sub run_scp_install {
1978     my ($src, $dst) = @_;                        1787     my ($src, $dst) = @_;
1979                                                  1788 
1980     my $cp_scp = $scp_to_target_install;         1789     my $cp_scp = $scp_to_target_install;
1981                                                  1790 
1982     return run_scp($src, $dst, $cp_scp);         1791     return run_scp($src, $dst, $cp_scp);
1983 }                                                1792 }
1984                                                  1793 
1985 sub run_scp_mod {                                1794 sub run_scp_mod {
1986     my ($src, $dst) = @_;                        1795     my ($src, $dst) = @_;
1987                                                  1796 
1988     my $cp_scp = $scp_to_target;                 1797     my $cp_scp = $scp_to_target;
1989                                                  1798 
1990     return run_scp($src, $dst, $cp_scp);         1799     return run_scp($src, $dst, $cp_scp);
1991 }                                                1800 }
1992                                                  1801 
1993 sub _get_grub_index {                         !! 1802 sub get_grub2_index {
1994                                               << 
1995     my ($command, $target, $skip, $submenu) = << 
1996                                                  1803 
1997     return if (defined($grub_number) && defin    1804     return if (defined($grub_number) && defined($last_grub_menu) &&
1998         $last_grub_menu eq $grub_menu && defi !! 1805                $last_grub_menu eq $grub_menu && defined($last_machine) &&
1999         $last_machine eq $machine);           !! 1806                $last_machine eq $machine);
2000                                                  1807 
2001     doprint "Find $reboot_type menu ... ";    !! 1808     doprint "Find grub2 menu ... ";
2002     $grub_number = -1;                           1809     $grub_number = -1;
2003                                                  1810 
2004     my $ssh_grub = $ssh_exec;                    1811     my $ssh_grub = $ssh_exec;
2005     $ssh_grub =~ s,\$SSH_COMMAND,$command,g;  !! 1812     $ssh_grub =~ s,\$SSH_COMMAND,cat $grub_file,g;
2006                                                  1813 
2007     open(IN, "$ssh_grub |") or                !! 1814     open(IN, "$ssh_grub |")
2008         dodie "unable to execute $command";   !! 1815         or die "unable to get $grub_file";
2009                                                  1816 
2010     my $found = 0;                               1817     my $found = 0;
2011                                                  1818 
2012     my $submenu_number = 0;                   << 
2013                                               << 
2014     while (<IN>) {                               1819     while (<IN>) {
2015         if (/$target/) {                      !! 1820         if (/^menuentry.*$grub_menu/) {
2016             $grub_number++;                      1821             $grub_number++;
2017             $found = 1;                          1822             $found = 1;
2018             last;                                1823             last;
2019         } elsif (defined($submenu) && /$subme !! 1824         } elsif (/^menuentry\s/) {
2020                 $submenu_number++;            << 
2021                 $grub_number = -1;            << 
2022         } elsif (/$skip/) {                   << 
2023             $grub_number++;                      1825             $grub_number++;
2024         }                                        1826         }
2025     }                                            1827     }
2026     close(IN);                                   1828     close(IN);
2027                                                  1829 
2028     dodie "Could not find '$grub_menu' throug !! 1830     die "Could not find '$grub_menu' in $grub_file on $machine"
2029         if (!$found);                            1831         if (!$found);
2030     if ($submenu_number > 0) {                << 
2031         $grub_number = "$submenu_number>$grub << 
2032     }                                         << 
2033     doprint "$grub_number\n";                    1832     doprint "$grub_number\n";
2034     $last_grub_menu = $grub_menu;                1833     $last_grub_menu = $grub_menu;
2035     $last_machine = $machine;                    1834     $last_machine = $machine;
2036 }                                                1835 }
2037                                                  1836 
2038 sub get_grub_index {                             1837 sub get_grub_index {
2039                                                  1838 
2040     my $command;                              !! 1839     if ($reboot_type eq "grub2") {
2041     my $target;                               !! 1840         get_grub2_index;
2042     my $skip;                                 !! 1841         return;
2043     my $submenu;                              !! 1842     }
2044     my $grub_menu_qt;                         << 
2045                                                  1843 
2046     if ($reboot_type !~ /^grub/) {            !! 1844     if ($reboot_type ne "grub") {
2047         return;                                  1845         return;
2048     }                                            1846     }
                                                   >> 1847     return if (defined($grub_number) && defined($last_grub_menu) &&
                                                   >> 1848                $last_grub_menu eq $grub_menu && defined($last_machine) &&
                                                   >> 1849                $last_machine eq $machine);
2049                                                  1850 
2050     $grub_menu_qt = quotemeta($grub_menu);    !! 1851     doprint "Find grub menu ... ";
                                                   >> 1852     $grub_number = -1;
2051                                                  1853 
2052     if ($reboot_type eq "grub") {             !! 1854     my $ssh_grub = $ssh_exec;
2053         $command = "cat /boot/grub/menu.lst"; !! 1855     $ssh_grub =~ s,\$SSH_COMMAND,cat /boot/grub/menu.lst,g;
2054         $target = '^\s*title\s+' . $grub_menu !! 1856 
2055         $skip = '^\s*title\s';                !! 1857     open(IN, "$ssh_grub |")
2056     } elsif ($reboot_type eq "grub2") {       !! 1858         or die "unable to get menu.lst";
2057         $command = "cat $grub_file";          !! 1859 
2058         $target = '^\s*menuentry.*' . $grub_m !! 1860     my $found = 0;
2059         $skip = '^\s*menuentry\s';            !! 1861 
2060         $submenu = '^\s*submenu\s';           !! 1862     while (<IN>) {
2061     } elsif ($reboot_type eq "grub2bls") {    !! 1863         if (/^\s*title\s+$grub_menu\s*$/) {
2062         $command = $grub_bls_get;             !! 1864             $grub_number++;
2063         $target = '^title=.*' . $grub_menu_qt !! 1865             $found = 1;
2064         $skip = '^title=';                    !! 1866             last;
2065     } else {                                  !! 1867         } elsif (/^\s*title\s/) {
2066         return;                               !! 1868             $grub_number++;
                                                   >> 1869         }
2067     }                                            1870     }
                                                   >> 1871     close(IN);
2068                                                  1872 
2069     _get_grub_index($command, $target, $skip, !! 1873     die "Could not find '$grub_menu' in /boot/grub/menu on $machine"
                                                   >> 1874         if (!$found);
                                                   >> 1875     doprint "$grub_number\n";
                                                   >> 1876     $last_grub_menu = $grub_menu;
                                                   >> 1877     $last_machine = $machine;
2070 }                                                1878 }
2071                                                  1879 
2072 sub wait_for_input {                          !! 1880 sub wait_for_input
                                                   >> 1881 {
2073     my ($fp, $time) = @_;                        1882     my ($fp, $time) = @_;
2074     my $start_time;                              1883     my $start_time;
2075     my $rin;                                     1884     my $rin;
2076     my $rout;                                    1885     my $rout;
2077     my $nr;                                      1886     my $nr;
2078     my $buf;                                     1887     my $buf;
2079     my $line;                                    1888     my $line;
2080     my $ch;                                      1889     my $ch;
2081                                                  1890 
2082     if (!defined($time)) {                       1891     if (!defined($time)) {
2083         $time = $timeout;                        1892         $time = $timeout;
2084     }                                            1893     }
2085                                                  1894 
2086     if ($time < 0) {                          << 
2087         # Negative number means wait indefini << 
2088         undef $time;                          << 
2089     }                                         << 
2090                                               << 
2091     $rin = '';                                   1895     $rin = '';
2092     vec($rin, fileno($fp), 1) = 1;               1896     vec($rin, fileno($fp), 1) = 1;
2093     vec($rin, fileno(\*STDIN), 1) = 1;           1897     vec($rin, fileno(\*STDIN), 1) = 1;
2094                                                  1898 
2095     $start_time = time;                          1899     $start_time = time;
2096                                                  1900 
2097     while (1) {                                  1901     while (1) {
2098         $nr = select($rout=$rin, undef, undef    1902         $nr = select($rout=$rin, undef, undef, $time);
2099                                                  1903 
2100         last if ($nr <= 0);                      1904         last if ($nr <= 0);
2101                                                  1905 
2102         # copy data from stdin to the console    1906         # copy data from stdin to the console
2103         if (vec($rout, fileno(\*STDIN), 1) ==    1907         if (vec($rout, fileno(\*STDIN), 1) == 1) {
2104             $nr = sysread(\*STDIN, $buf, 1000    1908             $nr = sysread(\*STDIN, $buf, 1000);
2105             syswrite($fp, $buf, $nr) if ($nr     1909             syswrite($fp, $buf, $nr) if ($nr > 0);
2106         }                                        1910         }
2107                                                  1911 
2108         # The timeout is based on time waitin    1912         # The timeout is based on time waiting for the fp data
2109         if (vec($rout, fileno($fp), 1) != 1)     1913         if (vec($rout, fileno($fp), 1) != 1) {
2110             last if (defined($time) && (time     1914             last if (defined($time) && (time - $start_time > $time));
2111             next;                                1915             next;
2112         }                                        1916         }
2113                                                  1917 
2114         $line = "";                              1918         $line = "";
2115                                                  1919 
2116         # try to read one char at a time         1920         # try to read one char at a time
2117         while (sysread $fp, $ch, 1) {            1921         while (sysread $fp, $ch, 1) {
2118             $line .= $ch;                        1922             $line .= $ch;
2119             last if ($ch eq "\n");               1923             last if ($ch eq "\n");
2120         }                                        1924         }
2121                                                  1925 
2122         last if (!length($line));                1926         last if (!length($line));
2123                                                  1927 
2124         return $line;                            1928         return $line;
2125     }                                            1929     }
2126     return undef;                                1930     return undef;
2127 }                                                1931 }
2128                                                  1932 
2129 sub reboot_to {                                  1933 sub reboot_to {
2130     if (defined($switch_to_test)) {              1934     if (defined($switch_to_test)) {
2131         run_command $switch_to_test;             1935         run_command $switch_to_test;
2132     }                                            1936     }
2133                                                  1937 
2134     if ($reboot_type eq "grub") {                1938     if ($reboot_type eq "grub") {
2135         run_ssh "'(echo \"savedefault --defau    1939         run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch)'";
2136     } elsif (($reboot_type eq "grub2") or ($r !! 1940     } elsif ($reboot_type eq "grub2") {
2137         run_ssh "$grub_reboot \"'$grub_number !! 1941         run_ssh "$grub_reboot $grub_number";
2138     } elsif ($reboot_type eq "syslinux") {       1942     } elsif ($reboot_type eq "syslinux") {
2139         run_ssh "$syslinux --once \\\"$syslin    1943         run_ssh "$syslinux --once \\\"$syslinux_label\\\" $syslinux_path";
2140     } elsif (defined $reboot_script) {           1944     } elsif (defined $reboot_script) {
2141         run_command "$reboot_script";            1945         run_command "$reboot_script";
2142     }                                            1946     }
2143     reboot;                                      1947     reboot;
2144 }                                                1948 }
2145                                                  1949 
2146 sub get_sha1 {                                   1950 sub get_sha1 {
2147     my ($commit) = @_;                           1951     my ($commit) = @_;
2148                                                  1952 
2149     doprint "git rev-list --max-count=1 $comm    1953     doprint "git rev-list --max-count=1 $commit ... ";
2150     my $sha1 = `git rev-list --max-count=1 $c    1954     my $sha1 = `git rev-list --max-count=1 $commit`;
2151     my $ret = $?;                                1955     my $ret = $?;
2152                                                  1956 
2153     logit $sha1;                                 1957     logit $sha1;
2154                                                  1958 
2155     if ($ret) {                                  1959     if ($ret) {
2156         doprint "FAILED\n";                      1960         doprint "FAILED\n";
2157         dodie "Failed to get git $commit";       1961         dodie "Failed to get git $commit";
2158     }                                            1962     }
2159                                                  1963 
2160     print "SUCCESS\n";                           1964     print "SUCCESS\n";
2161                                                  1965 
2162     chomp $sha1;                                 1966     chomp $sha1;
2163                                                  1967 
2164     return $sha1;                                1968     return $sha1;
2165 }                                                1969 }
2166                                                  1970 
2167 sub monitor {                                    1971 sub monitor {
2168     my $booted = 0;                              1972     my $booted = 0;
2169     my $bug = 0;                                 1973     my $bug = 0;
2170     my $bug_ignored = 0;                         1974     my $bug_ignored = 0;
2171     my $skip_call_trace = 0;                     1975     my $skip_call_trace = 0;
2172     my $loops;                                   1976     my $loops;
2173                                                  1977 
2174     my $start_time = time;                       1978     my $start_time = time;
2175                                                  1979 
2176     wait_for_monitor 5;                          1980     wait_for_monitor 5;
2177                                                  1981 
2178     my $line;                                    1982     my $line;
2179     my $full_line = "";                          1983     my $full_line = "";
2180                                                  1984 
2181     open(DMESG, "> $dmesg") or                   1985     open(DMESG, "> $dmesg") or
2182         dodie "unable to write to $dmesg";    !! 1986         die "unable to write to $dmesg";
2183                                                  1987 
2184     reboot_to;                                   1988     reboot_to;
2185                                                  1989 
2186     my $success_start;                           1990     my $success_start;
2187     my $failure_start;                           1991     my $failure_start;
2188     my $monitor_start = time;                    1992     my $monitor_start = time;
2189     my $done = 0;                                1993     my $done = 0;
2190     my $version_found = 0;                       1994     my $version_found = 0;
2191                                                  1995 
2192     while (!$done) {                             1996     while (!$done) {
                                                   >> 1997 
2193         if ($bug && defined($stop_after_failu    1998         if ($bug && defined($stop_after_failure) &&
2194             $stop_after_failure >= 0) {          1999             $stop_after_failure >= 0) {
2195             my $time = $stop_after_failure -     2000             my $time = $stop_after_failure - (time - $failure_start);
2196             $line = wait_for_input($monitor_f    2001             $line = wait_for_input($monitor_fp, $time);
2197             if (!defined($line)) {               2002             if (!defined($line)) {
2198                 doprint "bug timed out after     2003                 doprint "bug timed out after $booted_timeout seconds\n";
2199                 doprint "Test forced to stop     2004                 doprint "Test forced to stop after $stop_after_failure seconds after failure\n";
2200                 last;                            2005                 last;
2201             }                                    2006             }
2202         } elsif ($booted) {                      2007         } elsif ($booted) {
2203             $line = wait_for_input($monitor_f    2008             $line = wait_for_input($monitor_fp, $booted_timeout);
2204             if (!defined($line)) {               2009             if (!defined($line)) {
2205                 my $s = $booted_timeout == 1     2010                 my $s = $booted_timeout == 1 ? "" : "s";
2206                 doprint "Successful boot foun    2011                 doprint "Successful boot found: break after $booted_timeout second$s\n";
2207                 last;                            2012                 last;
2208             }                                    2013             }
2209         } else {                                 2014         } else {
2210             $line = wait_for_input($monitor_f    2015             $line = wait_for_input($monitor_fp);
2211             if (!defined($line)) {               2016             if (!defined($line)) {
2212                 my $s = $timeout == 1 ? "" :     2017                 my $s = $timeout == 1 ? "" : "s";
2213                 doprint "Timed out after $tim    2018                 doprint "Timed out after $timeout second$s\n";
2214                 last;                            2019                 last;
2215             }                                    2020             }
2216         }                                        2021         }
2217                                                  2022 
2218         doprint $line;                           2023         doprint $line;
2219         print DMESG $line;                       2024         print DMESG $line;
2220                                                  2025 
2221         # we are not guaranteed to get a full    2026         # we are not guaranteed to get a full line
2222         $full_line .= $line;                     2027         $full_line .= $line;
2223                                                  2028 
2224         if ($full_line =~ /$success_line/) {     2029         if ($full_line =~ /$success_line/) {
2225             $booted = 1;                         2030             $booted = 1;
2226             $success_start = time;               2031             $success_start = time;
2227         }                                        2032         }
2228                                                  2033 
2229         if ($booted && defined($stop_after_su    2034         if ($booted && defined($stop_after_success) &&
2230             $stop_after_success >= 0) {          2035             $stop_after_success >= 0) {
2231             my $now = time;                      2036             my $now = time;
2232             if ($now - $success_start >= $sto    2037             if ($now - $success_start >= $stop_after_success) {
2233                 doprint "Test forced to stop     2038                 doprint "Test forced to stop after $stop_after_success seconds after success\n";
2234                 last;                            2039                 last;
2235             }                                    2040             }
2236         }                                        2041         }
2237                                                  2042 
2238         if ($full_line =~ /\[ backtrace testi    2043         if ($full_line =~ /\[ backtrace testing \]/) {
2239             $skip_call_trace = 1;                2044             $skip_call_trace = 1;
2240         }                                        2045         }
2241                                                  2046 
2242         if ($full_line =~ /call trace:/i) {      2047         if ($full_line =~ /call trace:/i) {
2243             if (!$bug && !$skip_call_trace) {    2048             if (!$bug && !$skip_call_trace) {
2244                 if ($ignore_errors) {            2049                 if ($ignore_errors) {
2245                     $bug_ignored = 1;            2050                     $bug_ignored = 1;
2246                 } else {                         2051                 } else {
2247                     $bug = 1;                    2052                     $bug = 1;
2248                     $failure_start = time;       2053                     $failure_start = time;
2249                 }                                2054                 }
2250             }                                    2055             }
2251         }                                        2056         }
2252                                                  2057 
2253         if ($bug && defined($stop_after_failu    2058         if ($bug && defined($stop_after_failure) &&
2254             $stop_after_failure >= 0) {          2059             $stop_after_failure >= 0) {
2255             my $now = time;                      2060             my $now = time;
2256             if ($now - $failure_start >= $sto    2061             if ($now - $failure_start >= $stop_after_failure) {
2257                 doprint "Test forced to stop     2062                 doprint "Test forced to stop after $stop_after_failure seconds after failure\n";
2258                 last;                            2063                 last;
2259             }                                    2064             }
2260         }                                        2065         }
2261                                                  2066 
2262         if ($full_line =~ /\[ end of backtrac    2067         if ($full_line =~ /\[ end of backtrace testing \]/) {
2263             $skip_call_trace = 0;                2068             $skip_call_trace = 0;
2264         }                                        2069         }
2265                                                  2070 
2266         if ($full_line =~ /Kernel panic -/) {    2071         if ($full_line =~ /Kernel panic -/) {
2267             $failure_start = time;               2072             $failure_start = time;
2268             $bug = 1;                            2073             $bug = 1;
2269         }                                        2074         }
2270                                                  2075 
2271         # Detect triple faults by testing the    2076         # Detect triple faults by testing the banner
2272         if ($full_line =~ /\bLinux version (\    2077         if ($full_line =~ /\bLinux version (\S+).*\n/) {
2273             if ($1 eq $version) {                2078             if ($1 eq $version) {
2274                 $version_found = 1;              2079                 $version_found = 1;
2275             } elsif ($version_found && $detec    2080             } elsif ($version_found && $detect_triplefault) {
2276                 # We already booted into the     2081                 # We already booted into the kernel we are testing,
2277                 # but now we booted into anot    2082                 # but now we booted into another kernel?
2278                 # Consider this a triple faul    2083                 # Consider this a triple fault.
2279                 doprint "Already booted in Li    2084                 doprint "Already booted in Linux kernel $version, but now\n";
2280                 doprint "we booted into Linux    2085                 doprint "we booted into Linux kernel $1.\n";
2281                 doprint "Assuming that this i    2086                 doprint "Assuming that this is a triple fault.\n";
2282                 doprint "To disable this: set    2087                 doprint "To disable this: set DETECT_TRIPLE_FAULT to 0\n";
2283                 last;                            2088                 last;
2284             }                                    2089             }
2285         }                                        2090         }
2286                                                  2091 
2287         if ($line =~ /\n/) {                     2092         if ($line =~ /\n/) {
2288             $full_line = "";                     2093             $full_line = "";
2289         }                                        2094         }
2290                                                  2095 
2291         if ($stop_test_after > 0 && !$booted     2096         if ($stop_test_after > 0 && !$booted && !$bug) {
2292             if (time - $monitor_start > $stop    2097             if (time - $monitor_start > $stop_test_after) {
2293                 doprint "STOP_TEST_AFTER ($st    2098                 doprint "STOP_TEST_AFTER ($stop_test_after seconds) timed out\n";
2294                 $done = 1;                       2099                 $done = 1;
2295             }                                    2100             }
2296         }                                        2101         }
2297     }                                            2102     }
2298                                                  2103 
2299     my $end_time = time;                         2104     my $end_time = time;
2300     $reboot_time = $end_time - $start_time;      2105     $reboot_time = $end_time - $start_time;
2301                                                  2106 
2302     close(DMESG);                                2107     close(DMESG);
2303                                                  2108 
2304     if ($bug) {                                  2109     if ($bug) {
2305         return 0 if ($in_bisect);                2110         return 0 if ($in_bisect);
2306         fail "failed - got a bug report" and     2111         fail "failed - got a bug report" and return 0;
2307     }                                            2112     }
2308                                                  2113 
2309     if (!$booted) {                              2114     if (!$booted) {
2310         return 0 if ($in_bisect);                2115         return 0 if ($in_bisect);
2311         fail "failed - never got a boot promp    2116         fail "failed - never got a boot prompt." and return 0;
2312     }                                            2117     }
2313                                                  2118 
2314     if ($bug_ignored) {                          2119     if ($bug_ignored) {
2315         doprint "WARNING: Call Trace detected    2120         doprint "WARNING: Call Trace detected but ignored due to IGNORE_ERRORS=1\n";
2316     }                                            2121     }
2317                                                  2122 
2318     return 1;                                    2123     return 1;
2319 }                                                2124 }
2320                                                  2125 
2321 sub eval_kernel_version {                        2126 sub eval_kernel_version {
2322     my ($option) = @_;                           2127     my ($option) = @_;
2323                                                  2128 
2324     $option =~ s/\$KERNEL_VERSION/$version/g;    2129     $option =~ s/\$KERNEL_VERSION/$version/g;
2325                                                  2130 
2326     return $option;                              2131     return $option;
2327 }                                                2132 }
2328                                                  2133 
2329 sub do_post_install {                            2134 sub do_post_install {
2330                                                  2135 
2331     return if (!defined($post_install));         2136     return if (!defined($post_install));
2332                                                  2137 
2333     my $cp_post_install = eval_kernel_version    2138     my $cp_post_install = eval_kernel_version $post_install;
2334     run_command "$cp_post_install" or            2139     run_command "$cp_post_install" or
2335         dodie "Failed to run post install";      2140         dodie "Failed to run post install";
2336 }                                                2141 }
2337                                                  2142 
2338 # Sometimes the reboot fails, and will hang.     2143 # Sometimes the reboot fails, and will hang. We try to ssh to the box
2339 # and if we fail, we force another reboot, th    2144 # and if we fail, we force another reboot, that should powercycle it.
2340 sub test_booted {                                2145 sub test_booted {
2341     if (!run_ssh "echo testing connection") {    2146     if (!run_ssh "echo testing connection") {
2342         reboot $sleep_time;                      2147         reboot $sleep_time;
2343     }                                            2148     }
2344 }                                                2149 }
2345                                                  2150 
2346 sub install {                                    2151 sub install {
2347                                                  2152 
2348     return if ($no_install);                     2153     return if ($no_install);
2349                                                  2154 
2350     my $start_time = time;                       2155     my $start_time = time;
2351                                                  2156 
2352     if (defined($pre_install)) {                 2157     if (defined($pre_install)) {
2353         my $cp_pre_install = eval_kernel_vers    2158         my $cp_pre_install = eval_kernel_version $pre_install;
2354         run_command "$cp_pre_install" or         2159         run_command "$cp_pre_install" or
2355             dodie "Failed to run pre install"    2160             dodie "Failed to run pre install";
2356     }                                            2161     }
2357                                                  2162 
2358     my $cp_target = eval_kernel_version $targ    2163     my $cp_target = eval_kernel_version $target_image;
2359                                                  2164 
2360     test_booted;                                 2165     test_booted;
2361                                                  2166 
2362     run_scp_install "$outputdir/$build_target    2167     run_scp_install "$outputdir/$build_target", "$cp_target" or
2363         dodie "failed to copy image";            2168         dodie "failed to copy image";
2364                                                  2169 
2365     my $install_mods = 0;                        2170     my $install_mods = 0;
2366                                                  2171 
2367     # should we process modules?                 2172     # should we process modules?
2368     $install_mods = 0;                           2173     $install_mods = 0;
2369     open(IN, "$output_config") or dodie("Can'    2174     open(IN, "$output_config") or dodie("Can't read config file");
2370     while (<IN>) {                               2175     while (<IN>) {
2371         if (/CONFIG_MODULES(=y)?/) {             2176         if (/CONFIG_MODULES(=y)?/) {
2372             if (defined($1)) {                   2177             if (defined($1)) {
2373                 $install_mods = 1;               2178                 $install_mods = 1;
2374                 last;                            2179                 last;
2375             }                                    2180             }
2376         }                                        2181         }
2377     }                                            2182     }
2378     close(IN);                                   2183     close(IN);
2379                                                  2184 
2380     if (!$install_mods) {                        2185     if (!$install_mods) {
2381         do_post_install;                         2186         do_post_install;
2382         doprint "No modules needed\n";           2187         doprint "No modules needed\n";
2383         my $end_time = time;                     2188         my $end_time = time;
2384         $install_time = $end_time - $start_ti    2189         $install_time = $end_time - $start_time;
2385         return;                                  2190         return;
2386     }                                            2191     }
2387                                                  2192 
2388     run_command "$make INSTALL_MOD_STRIP=1 IN    2193     run_command "$make INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=$tmpdir modules_install" or
2389         dodie "Failed to install modules";       2194         dodie "Failed to install modules";
2390                                                  2195 
2391     my $modlib = "/lib/modules/$version";        2196     my $modlib = "/lib/modules/$version";
2392     my $modtar = "ktest-mods.tar.bz2";           2197     my $modtar = "ktest-mods.tar.bz2";
2393                                                  2198 
2394     run_ssh "rm -rf $modlib" or                  2199     run_ssh "rm -rf $modlib" or
2395         dodie "failed to remove old mods: $mo    2200         dodie "failed to remove old mods: $modlib";
2396                                                  2201 
2397     # would be nice if scp -r did not follow     2202     # would be nice if scp -r did not follow symbolic links
2398     run_command "cd $tmpdir && tar -cjf $modt    2203     run_command "cd $tmpdir && tar -cjf $modtar lib/modules/$version" or
2399         dodie "making tarball";                  2204         dodie "making tarball";
2400                                                  2205 
2401     run_scp_mod "$tmpdir/$modtar", "/tmp" or     2206     run_scp_mod "$tmpdir/$modtar", "/tmp" or
2402         dodie "failed to copy modules";          2207         dodie "failed to copy modules";
2403                                                  2208 
2404     unlink "$tmpdir/$modtar";                    2209     unlink "$tmpdir/$modtar";
2405                                                  2210 
2406     run_ssh "'(cd / && tar xjf /tmp/$modtar)'    2211     run_ssh "'(cd / && tar xjf /tmp/$modtar)'" or
2407         dodie "failed to tar modules";           2212         dodie "failed to tar modules";
2408                                                  2213 
2409     run_ssh "rm -f /tmp/$modtar";                2214     run_ssh "rm -f /tmp/$modtar";
2410                                                  2215 
2411     do_post_install;                             2216     do_post_install;
2412                                                  2217 
2413     my $end_time = time;                         2218     my $end_time = time;
2414     $install_time = $end_time - $start_time;     2219     $install_time = $end_time - $start_time;
2415 }                                                2220 }
2416                                                  2221 
2417 sub get_version {                                2222 sub get_version {
2418     # get the release name                       2223     # get the release name
2419     return if ($have_version);                   2224     return if ($have_version);
2420     doprint "$make kernelrelease ... ";          2225     doprint "$make kernelrelease ... ";
2421     $version = `$make -s kernelrelease | tail    2226     $version = `$make -s kernelrelease | tail -1`;
2422     chomp($version);                             2227     chomp($version);
2423     doprint "$version\n";                        2228     doprint "$version\n";
2424     $have_version = 1;                           2229     $have_version = 1;
2425 }                                                2230 }
2426                                                  2231 
2427 sub start_monitor_and_install {                  2232 sub start_monitor_and_install {
2428     # Make sure the stable kernel has finishe    2233     # Make sure the stable kernel has finished booting
2429                                                  2234 
2430     # Install bisects, don't need console        2235     # Install bisects, don't need console
2431     if (defined $console) {                      2236     if (defined $console) {
2432         start_monitor;                           2237         start_monitor;
2433         wait_for_monitor 5;                      2238         wait_for_monitor 5;
2434         end_monitor;                             2239         end_monitor;
2435     }                                            2240     }
2436                                                  2241 
2437     get_grub_index;                              2242     get_grub_index;
2438     get_version;                                 2243     get_version;
2439     install;                                     2244     install;
2440                                                  2245 
2441     start_monitor if (defined $console);         2246     start_monitor if (defined $console);
2442     return monitor;                              2247     return monitor;
2443 }                                                2248 }
2444                                                  2249 
                                                   >> 2250 my $check_build_re = ".*:.*(warning|error|Error):.*";
                                                   >> 2251 my $utf8_quote = "\\x{e2}\\x{80}(\\x{98}|\\x{99})";
                                                   >> 2252 
2445 sub process_warning_line {                       2253 sub process_warning_line {
2446     my ($line) = @_;                             2254     my ($line) = @_;
2447                                                  2255 
2448     chomp $line;                                 2256     chomp $line;
2449                                                  2257 
2450     # for distcc heterogeneous systems, some     2258     # for distcc heterogeneous systems, some compilers
2451     # do things differently causing warning l    2259     # do things differently causing warning lines
2452     # to be slightly different. This makes an    2260     # to be slightly different. This makes an attempt
2453     # to fixe those issues.                      2261     # to fixe those issues.
2454                                                  2262 
2455     # chop off the index into the line           2263     # chop off the index into the line
2456     # using distcc, some compilers give diffe    2264     # using distcc, some compilers give different indexes
2457     # depending on white space                   2265     # depending on white space
2458     $line =~ s/^(\s*\S+:\d+:)\d+/$1/;            2266     $line =~ s/^(\s*\S+:\d+:)\d+/$1/;
2459                                                  2267 
2460     # Some compilers use UTF-8 extended for q    2268     # Some compilers use UTF-8 extended for quotes and some don't.
2461     $line =~ s/$utf8_quote/'/g;                  2269     $line =~ s/$utf8_quote/'/g;
2462                                                  2270 
2463     return $line;                                2271     return $line;
2464 }                                                2272 }
2465                                                  2273 
2466 # Read buildlog and check against warnings fi    2274 # Read buildlog and check against warnings file for any
2467 # new warnings.                                  2275 # new warnings.
2468 #                                                2276 #
2469 # Returns 1 if OK                                2277 # Returns 1 if OK
2470 #         0 otherwise                            2278 #         0 otherwise
2471 sub check_buildlog {                             2279 sub check_buildlog {
                                                   >> 2280     return 1 if (!defined $warnings_file);
                                                   >> 2281 
2472     my %warnings_list;                           2282     my %warnings_list;
2473                                                  2283 
2474     # Failed builds should not reboot the tar    2284     # Failed builds should not reboot the target
2475     my $save_no_reboot = $no_reboot;             2285     my $save_no_reboot = $no_reboot;
2476     $no_reboot = 1;                              2286     $no_reboot = 1;
2477                                                  2287 
2478     if (-f $warnings_file) {                     2288     if (-f $warnings_file) {
2479         open(IN, $warnings_file) or              2289         open(IN, $warnings_file) or
2480             dodie "Error opening $warnings_fi    2290             dodie "Error opening $warnings_file";
2481                                                  2291 
2482         while (<IN>) {                           2292         while (<IN>) {
2483             if (/$check_build_re/) {             2293             if (/$check_build_re/) {
2484                 my $warning = process_warning    2294                 my $warning = process_warning_line $_;
2485                                               !! 2295                 
2486                 $warnings_list{$warning} = 1;    2296                 $warnings_list{$warning} = 1;
2487             }                                    2297             }
2488         }                                        2298         }
2489         close(IN);                               2299         close(IN);
2490     }                                            2300     }
2491                                                  2301 
                                                   >> 2302     # If warnings file didn't exist, and WARNINGS_FILE exist,
                                                   >> 2303     # then we fail on any warning!
                                                   >> 2304 
2492     open(IN, $buildlog) or dodie "Can't open     2305     open(IN, $buildlog) or dodie "Can't open $buildlog";
2493     while (<IN>) {                               2306     while (<IN>) {
2494         if (/$check_build_re/) {                 2307         if (/$check_build_re/) {
2495             my $warning = process_warning_lin    2308             my $warning = process_warning_line $_;
2496                                                  2309 
2497             if (!defined $warnings_list{$warn    2310             if (!defined $warnings_list{$warning}) {
2498                 $warning_found++;             !! 2311                 fail "New warning found (not in $warnings_file)\n$_\n";
2499                                               !! 2312                 $no_reboot = $save_no_reboot;
2500                 # If warnings file didn't exi !! 2313                 return 0;
2501                 # then we fail on any warning << 
2502                 if (defined $warnings_file) { << 
2503                     fail "New warning found ( << 
2504                     $no_reboot = $save_no_reb << 
2505                     return 0;                 << 
2506                 }                             << 
2507             }                                    2314             }
2508         }                                        2315         }
2509     }                                            2316     }
2510     $no_reboot = $save_no_reboot;                2317     $no_reboot = $save_no_reboot;
2511     close(IN);                                   2318     close(IN);
2512 }                                                2319 }
2513                                                  2320 
2514 sub check_patch_buildlog {                       2321 sub check_patch_buildlog {
2515     my ($patch) = @_;                            2322     my ($patch) = @_;
2516                                                  2323 
2517     my @files = `git show $patch | diffstat -    2324     my @files = `git show $patch | diffstat -l`;
2518                                                  2325 
2519     foreach my $file (@files) {                  2326     foreach my $file (@files) {
2520         chomp $file;                             2327         chomp $file;
2521     }                                            2328     }
2522                                                  2329 
2523     open(IN, "git show $patch |") or             2330     open(IN, "git show $patch |") or
2524         dodie "failed to show $patch";           2331         dodie "failed to show $patch";
2525     while (<IN>) {                               2332     while (<IN>) {
2526         if (m,^--- a/(.*),) {                    2333         if (m,^--- a/(.*),) {
2527             chomp $1;                            2334             chomp $1;
2528             $files[$#files] = $1;                2335             $files[$#files] = $1;
2529         }                                        2336         }
2530     }                                            2337     }
2531     close(IN);                                   2338     close(IN);
2532                                                  2339 
2533     open(IN, $buildlog) or dodie "Can't open     2340     open(IN, $buildlog) or dodie "Can't open $buildlog";
2534     while (<IN>) {                               2341     while (<IN>) {
2535         if (/^\s*(.*?):.*(warning|error)/) {     2342         if (/^\s*(.*?):.*(warning|error)/) {
2536             my $err = $1;                        2343             my $err = $1;
2537             foreach my $file (@files) {          2344             foreach my $file (@files) {
2538                 my $fullpath = "$builddir/$fi    2345                 my $fullpath = "$builddir/$file";
2539                 if ($file eq $err || $fullpat    2346                 if ($file eq $err || $fullpath eq $err) {
2540                     fail "$file built with wa    2347                     fail "$file built with warnings" and return 0;
2541                 }                                2348                 }
2542             }                                    2349             }
2543         }                                        2350         }
2544     }                                            2351     }
2545     close(IN);                                   2352     close(IN);
2546                                                  2353 
2547     return 1;                                    2354     return 1;
2548 }                                                2355 }
2549                                                  2356 
2550 sub apply_min_config {                           2357 sub apply_min_config {
2551     my $outconfig = "$output_config.new";        2358     my $outconfig = "$output_config.new";
2552                                                  2359 
2553     # Read the config file and remove anythin    2360     # Read the config file and remove anything that
2554     # is in the force_config hash (from minco    2361     # is in the force_config hash (from minconfig and others)
2555     # then add the force config back.            2362     # then add the force config back.
2556                                                  2363 
2557     doprint "Applying minimum configurations     2364     doprint "Applying minimum configurations into $output_config.new\n";
2558                                                  2365 
2559     open (OUT, ">$outconfig") or                 2366     open (OUT, ">$outconfig") or
2560         dodie "Can't create $outconfig";         2367         dodie "Can't create $outconfig";
2561                                                  2368 
2562     if (-f $output_config) {                     2369     if (-f $output_config) {
2563         open (IN, $output_config) or             2370         open (IN, $output_config) or
2564             dodie "Failed to open $output_con    2371             dodie "Failed to open $output_config";
2565         while (<IN>) {                           2372         while (<IN>) {
2566             if (/^(# )?(CONFIG_[^\s=]*)/) {      2373             if (/^(# )?(CONFIG_[^\s=]*)/) {
2567                 next if (defined($force_confi    2374                 next if (defined($force_config{$2}));
2568             }                                    2375             }
2569             print OUT;                           2376             print OUT;
2570         }                                        2377         }
2571         close IN;                                2378         close IN;
2572     }                                            2379     }
2573     foreach my $config (keys %force_config) {    2380     foreach my $config (keys %force_config) {
2574         print OUT "$force_config{$config}\n";    2381         print OUT "$force_config{$config}\n";
2575     }                                            2382     }
2576     close OUT;                                   2383     close OUT;
2577                                                  2384 
2578     run_command "mv $outconfig $output_config    2385     run_command "mv $outconfig $output_config";
2579 }                                                2386 }
2580                                                  2387 
2581 sub make_oldconfig {                             2388 sub make_oldconfig {
2582                                                  2389 
2583     my @force_list = keys %force_config;         2390     my @force_list = keys %force_config;
2584                                                  2391 
2585     if ($#force_list >= 0) {                     2392     if ($#force_list >= 0) {
2586         apply_min_config;                        2393         apply_min_config;
2587     }                                            2394     }
2588                                                  2395 
2589     if (!run_command "$make olddefconfig") {     2396     if (!run_command "$make olddefconfig") {
2590         # Perhaps olddefconfig doesn't exist     2397         # Perhaps olddefconfig doesn't exist in this version of the kernel
2591         # try oldnoconfig                        2398         # try oldnoconfig
2592         doprint "olddefconfig failed, trying     2399         doprint "olddefconfig failed, trying make oldnoconfig\n";
2593         if (!run_command "$make oldnoconfig")    2400         if (!run_command "$make oldnoconfig") {
2594             doprint "oldnoconfig failed, tryi    2401             doprint "oldnoconfig failed, trying yes '' | make oldconfig\n";
2595             # try a yes '' | oldconfig           2402             # try a yes '' | oldconfig
2596             run_command "yes '' | $make oldco    2403             run_command "yes '' | $make oldconfig" or
2597                 dodie "failed make config old    2404                 dodie "failed make config oldconfig";
2598         }                                        2405         }
2599     }                                            2406     }
2600 }                                                2407 }
2601                                                  2408 
2602 # read a config file and use this to force ne    2409 # read a config file and use this to force new configs.
2603 sub load_force_config {                          2410 sub load_force_config {
2604     my ($config) = @_;                           2411     my ($config) = @_;
2605                                                  2412 
2606     doprint "Loading force configs from $conf    2413     doprint "Loading force configs from $config\n";
2607     open(IN, $config) or                         2414     open(IN, $config) or
2608         dodie "failed to read $config";          2415         dodie "failed to read $config";
2609     while (<IN>) {                               2416     while (<IN>) {
2610         chomp;                                   2417         chomp;
2611         if (/^(CONFIG[^\s=]*)(\s*=.*)/) {        2418         if (/^(CONFIG[^\s=]*)(\s*=.*)/) {
2612             $force_config{$1} = $_;              2419             $force_config{$1} = $_;
2613         } elsif (/^# (CONFIG_\S*) is not set/    2420         } elsif (/^# (CONFIG_\S*) is not set/) {
2614             $force_config{$1} = $_;              2421             $force_config{$1} = $_;
2615         }                                        2422         }
2616     }                                            2423     }
2617     close IN;                                    2424     close IN;
2618 }                                                2425 }
2619                                                  2426 
2620 sub build {                                      2427 sub build {
2621     my ($type) = @_;                             2428     my ($type) = @_;
2622                                                  2429 
2623     unlink $buildlog;                            2430     unlink $buildlog;
2624                                                  2431 
2625     my $start_time = time;                       2432     my $start_time = time;
2626                                                  2433 
2627     # Failed builds should not reboot the tar    2434     # Failed builds should not reboot the target
2628     my $save_no_reboot = $no_reboot;             2435     my $save_no_reboot = $no_reboot;
2629     $no_reboot = 1;                              2436     $no_reboot = 1;
2630                                                  2437 
2631     # Calculate a new version from here.         2438     # Calculate a new version from here.
2632     $have_version = 0;                           2439     $have_version = 0;
2633                                                  2440 
2634     if (defined($pre_build)) {                   2441     if (defined($pre_build)) {
2635         my $ret = run_command $pre_build;        2442         my $ret = run_command $pre_build;
2636         if (!$ret && defined($pre_build_die)     2443         if (!$ret && defined($pre_build_die) &&
2637             $pre_build_die) {                    2444             $pre_build_die) {
2638             dodie "failed to pre_build\n";       2445             dodie "failed to pre_build\n";
2639         }                                        2446         }
2640     }                                            2447     }
2641                                                  2448 
2642     if ($type =~ /^useconfig:(.*)/) {            2449     if ($type =~ /^useconfig:(.*)/) {
2643         run_command "cp $1 $output_config" or    2450         run_command "cp $1 $output_config" or
2644             dodie "could not copy $1 to .conf    2451             dodie "could not copy $1 to .config";
2645                                                  2452 
2646         $type = "oldconfig";                     2453         $type = "oldconfig";
2647     }                                            2454     }
2648                                                  2455 
2649     # old config can ask questions               2456     # old config can ask questions
2650     if ($type eq "oldconfig") {                  2457     if ($type eq "oldconfig") {
2651         $type = "olddefconfig";                  2458         $type = "olddefconfig";
2652                                                  2459 
2653         # allow for empty configs                2460         # allow for empty configs
2654         run_command "touch $output_config";      2461         run_command "touch $output_config";
2655                                                  2462 
2656         if (!$noclean) {                         2463         if (!$noclean) {
2657             run_command "mv $output_config $o    2464             run_command "mv $output_config $outputdir/config_temp" or
2658                 dodie "moving .config";          2465                 dodie "moving .config";
2659                                                  2466 
2660             run_command "$make mrproper" or d    2467             run_command "$make mrproper" or dodie "make mrproper";
2661                                                  2468 
2662             run_command "mv $outputdir/config    2469             run_command "mv $outputdir/config_temp $output_config" or
2663                 dodie "moving config_temp";      2470                 dodie "moving config_temp";
2664         }                                        2471         }
                                                   >> 2472 
2665     } elsif (!$noclean) {                        2473     } elsif (!$noclean) {
2666         unlink "$output_config";                 2474         unlink "$output_config";
2667         run_command "$make mrproper" or          2475         run_command "$make mrproper" or
2668             dodie "make mrproper";               2476             dodie "make mrproper";
2669     }                                            2477     }
2670                                                  2478 
2671     # add something to distinguish this build    2479     # add something to distinguish this build
2672     open(OUT, "> $outputdir/localversion") or    2480     open(OUT, "> $outputdir/localversion") or dodie("Can't make localversion file");
2673     print OUT "$localversion\n";                 2481     print OUT "$localversion\n";
2674     close(OUT);                                  2482     close(OUT);
2675                                                  2483 
2676     if (defined($minconfig)) {                   2484     if (defined($minconfig)) {
2677         load_force_config($minconfig);           2485         load_force_config($minconfig);
2678     }                                            2486     }
2679                                                  2487 
2680     if ($type ne "olddefconfig") {               2488     if ($type ne "olddefconfig") {
2681         run_command "$make $type" or             2489         run_command "$make $type" or
2682             dodie "failed make config";          2490             dodie "failed make config";
2683     }                                            2491     }
2684     # Run old config regardless, to enforce m    2492     # Run old config regardless, to enforce min configurations
2685     make_oldconfig;                              2493     make_oldconfig;
2686                                                  2494 
2687     if (not defined($build_options)){         << 
2688         $build_options = "";                  << 
2689     }                                         << 
2690     my $build_ret = run_command "$make $build    2495     my $build_ret = run_command "$make $build_options", $buildlog;
2691                                                  2496 
2692     if (defined($post_build)) {                  2497     if (defined($post_build)) {
2693         # Because a post build may change the    2498         # Because a post build may change the kernel version
2694         # do it now.                             2499         # do it now.
2695         get_version;                             2500         get_version;
2696         my $ret = run_command $post_build;       2501         my $ret = run_command $post_build;
2697         if (!$ret && defined($post_build_die)    2502         if (!$ret && defined($post_build_die) &&
2698             $post_build_die) {                   2503             $post_build_die) {
2699             dodie "failed to post_build\n";      2504             dodie "failed to post_build\n";
2700         }                                        2505         }
2701     }                                            2506     }
2702                                                  2507 
2703     if (!$build_ret) {                           2508     if (!$build_ret) {
2704         # bisect may need this to pass           2509         # bisect may need this to pass
2705         if ($in_bisect) {                        2510         if ($in_bisect) {
2706             $no_reboot = $save_no_reboot;        2511             $no_reboot = $save_no_reboot;
2707             return 0;                            2512             return 0;
2708         }                                        2513         }
2709         fail "failed build" and return 0;        2514         fail "failed build" and return 0;
2710     }                                            2515     }
2711                                                  2516 
2712     $no_reboot = $save_no_reboot;                2517     $no_reboot = $save_no_reboot;
2713                                                  2518 
2714     my $end_time = time;                         2519     my $end_time = time;
2715     $build_time = $end_time - $start_time;       2520     $build_time = $end_time - $start_time;
2716                                                  2521 
2717     return 1;                                    2522     return 1;
2718 }                                                2523 }
2719                                                  2524 
2720 sub halt {                                       2525 sub halt {
2721     if (!run_ssh "halt" or defined($power_off    2526     if (!run_ssh "halt" or defined($power_off)) {
2722         if (defined($poweroff_after_halt)) {     2527         if (defined($poweroff_after_halt)) {
2723             sleep $poweroff_after_halt;          2528             sleep $poweroff_after_halt;
2724             run_command "$power_off";            2529             run_command "$power_off";
2725         }                                        2530         }
2726     } else {                                     2531     } else {
2727         # nope? the zap it!                      2532         # nope? the zap it!
2728         run_command "$power_off";                2533         run_command "$power_off";
2729     }                                            2534     }
2730 }                                                2535 }
2731                                                  2536 
2732 sub success {                                    2537 sub success {
2733     my ($i) = @_;                                2538     my ($i) = @_;
2734                                                  2539 
2735     $successes++;                                2540     $successes++;
2736                                                  2541 
2737     my $name = "";                               2542     my $name = "";
2738                                                  2543 
2739     if (defined($test_name)) {                   2544     if (defined($test_name)) {
2740         $name = " ($test_name)";                 2545         $name = " ($test_name)";
2741     }                                            2546     }
2742                                                  2547 
2743     print_times;                                 2548     print_times;
2744                                                  2549 
2745     doprint "\n\n";                           !! 2550     doprint "\n\n*******************************************\n";
2746     doprint "******************************** !! 2551     doprint     "*******************************************\n";
2747     doprint "******************************** !! 2552     doprint     "KTEST RESULT: TEST $i$name SUCCESS!!!!         **\n";
2748     doprint "KTEST RESULT: TEST $i$name SUCCE !! 2553     doprint     "*******************************************\n";
2749     doprint "******************************** !! 2554     doprint     "*******************************************\n";
2750     doprint "******************************** << 
2751                                                  2555 
2752     if (defined($store_successes)) {             2556     if (defined($store_successes)) {
2753         save_logs "success", $store_successes !! 2557         save_logs "success", $store_successes;
2754     }                                            2558     }
2755                                                  2559 
2756     if ($i != $opt{"NUM_TESTS"} && !do_not_re    2560     if ($i != $opt{"NUM_TESTS"} && !do_not_reboot) {
2757         doprint "Reboot and wait $sleep_time     2561         doprint "Reboot and wait $sleep_time seconds\n";
2758         reboot_to_good $sleep_time;              2562         reboot_to_good $sleep_time;
2759     }                                            2563     }
2760                                                  2564 
2761     if (defined($post_test)) {                   2565     if (defined($post_test)) {
2762         run_command $post_test;                  2566         run_command $post_test;
2763     }                                            2567     }
2764 }                                                2568 }
2765                                                  2569 
2766 sub answer_bisect {                              2570 sub answer_bisect {
2767     for (;;) {                                   2571     for (;;) {
2768         doprint "Pass, fail, or skip? [p/f/s]    2572         doprint "Pass, fail, or skip? [p/f/s]";
2769         my $ans = <STDIN>;                       2573         my $ans = <STDIN>;
2770         chomp $ans;                              2574         chomp $ans;
2771         if ($ans eq "p" || $ans eq "P") {        2575         if ($ans eq "p" || $ans eq "P") {
2772             return 1;                            2576             return 1;
2773         } elsif ($ans eq "f" || $ans eq "F")     2577         } elsif ($ans eq "f" || $ans eq "F") {
2774             return 0;                            2578             return 0;
2775         } elsif ($ans eq "s" || $ans eq "S")     2579         } elsif ($ans eq "s" || $ans eq "S") {
2776             return -1;                           2580             return -1;
2777         } else {                                 2581         } else {
2778             print "Please answer 'p', 'f', or    2582             print "Please answer 'p', 'f', or 's'\n";
2779         }                                        2583         }
2780     }                                            2584     }
2781 }                                                2585 }
2782                                                  2586 
2783 sub child_run_test {                             2587 sub child_run_test {
2784                                                  2588 
2785     # child should have no power                 2589     # child should have no power
2786     $reboot_on_error = 0;                        2590     $reboot_on_error = 0;
2787     $poweroff_on_error = 0;                      2591     $poweroff_on_error = 0;
2788     $die_on_failure = 1;                         2592     $die_on_failure = 1;
2789                                                  2593 
2790     run_command $run_test, $testlog;             2594     run_command $run_test, $testlog;
2791                                                  2595 
2792     exit $run_command_status;                    2596     exit $run_command_status;
2793 }                                                2597 }
2794                                                  2598 
                                                   >> 2599 my $child_done;
                                                   >> 2600 
2795 sub child_finished {                             2601 sub child_finished {
2796     $child_done = 1;                             2602     $child_done = 1;
2797 }                                                2603 }
2798                                                  2604 
2799 sub do_run_test {                                2605 sub do_run_test {
2800     my $child_pid;                               2606     my $child_pid;
2801     my $child_exit;                              2607     my $child_exit;
2802     my $line;                                    2608     my $line;
2803     my $full_line;                               2609     my $full_line;
2804     my $bug = 0;                                 2610     my $bug = 0;
2805     my $bug_ignored = 0;                         2611     my $bug_ignored = 0;
2806                                                  2612 
2807     my $start_time = time;                       2613     my $start_time = time;
2808                                                  2614 
2809     wait_for_monitor 1;                          2615     wait_for_monitor 1;
2810                                                  2616 
2811     doprint "run test $run_test\n";              2617     doprint "run test $run_test\n";
2812                                                  2618 
2813     $child_done = 0;                             2619     $child_done = 0;
2814                                                  2620 
2815     $SIG{CHLD} = qw(child_finished);             2621     $SIG{CHLD} = qw(child_finished);
2816                                                  2622 
2817     $child_pid = fork;                           2623     $child_pid = fork;
2818                                                  2624 
2819     child_run_test if (!$child_pid);             2625     child_run_test if (!$child_pid);
2820                                                  2626 
2821     $full_line = "";                             2627     $full_line = "";
2822                                                  2628 
2823     do {                                         2629     do {
2824         $line = wait_for_input($monitor_fp, 1    2630         $line = wait_for_input($monitor_fp, 1);
2825         if (defined($line)) {                    2631         if (defined($line)) {
2826                                                  2632 
2827             # we are not guaranteed to get a     2633             # we are not guaranteed to get a full line
2828             $full_line .= $line;                 2634             $full_line .= $line;
2829             doprint $line;                       2635             doprint $line;
2830                                                  2636 
2831             if ($full_line =~ /call trace:/i)    2637             if ($full_line =~ /call trace:/i) {
2832                 if ($ignore_errors) {            2638                 if ($ignore_errors) {
2833                     $bug_ignored = 1;            2639                     $bug_ignored = 1;
2834                 } else {                         2640                 } else {
2835                     $bug = 1;                    2641                     $bug = 1;
2836                 }                                2642                 }
2837             }                                    2643             }
2838                                                  2644 
2839             if ($full_line =~ /Kernel panic -    2645             if ($full_line =~ /Kernel panic -/) {
2840                 $bug = 1;                        2646                 $bug = 1;
2841             }                                    2647             }
2842                                                  2648 
2843             if ($line =~ /\n/) {                 2649             if ($line =~ /\n/) {
2844                 $full_line = "";                 2650                 $full_line = "";
2845             }                                    2651             }
2846         }                                        2652         }
2847     } while (!$child_done && !$bug);             2653     } while (!$child_done && !$bug);
2848                                                  2654 
2849     if (!$bug && $bug_ignored) {                 2655     if (!$bug && $bug_ignored) {
2850         doprint "WARNING: Call Trace detected    2656         doprint "WARNING: Call Trace detected but ignored due to IGNORE_ERRORS=1\n";
2851     }                                            2657     }
2852                                                  2658 
2853     if ($bug) {                                  2659     if ($bug) {
2854         my $failure_start = time;                2660         my $failure_start = time;
2855         my $now;                                 2661         my $now;
2856         do {                                     2662         do {
2857             $line = wait_for_input($monitor_f    2663             $line = wait_for_input($monitor_fp, 1);
2858             if (defined($line)) {                2664             if (defined($line)) {
2859                 doprint $line;                   2665                 doprint $line;
2860             }                                    2666             }
2861             $now = time;                         2667             $now = time;
2862             if ($now - $failure_start >= $sto    2668             if ($now - $failure_start >= $stop_after_failure) {
2863                 last;                            2669                 last;
2864             }                                    2670             }
2865         } while (defined($line));                2671         } while (defined($line));
2866                                                  2672 
2867         doprint "Detected kernel crash!\n";      2673         doprint "Detected kernel crash!\n";
2868         # kill the child with extreme prejudi    2674         # kill the child with extreme prejudice
2869         kill 9, $child_pid;                      2675         kill 9, $child_pid;
2870     }                                            2676     }
2871                                                  2677 
2872     waitpid $child_pid, 0;                       2678     waitpid $child_pid, 0;
2873     $child_exit = $? >> 8;                       2679     $child_exit = $? >> 8;
2874                                                  2680 
2875     my $end_time = time;                         2681     my $end_time = time;
2876     $test_time = $end_time - $start_time;        2682     $test_time = $end_time - $start_time;
2877                                                  2683 
2878     if (!$bug && $in_bisect) {                   2684     if (!$bug && $in_bisect) {
2879         if (defined($bisect_ret_good)) {         2685         if (defined($bisect_ret_good)) {
2880             if ($child_exit == $bisect_ret_go    2686             if ($child_exit == $bisect_ret_good) {
2881                 return 1;                        2687                 return 1;
2882             }                                    2688             }
2883         }                                        2689         }
2884         if (defined($bisect_ret_skip)) {         2690         if (defined($bisect_ret_skip)) {
2885             if ($child_exit == $bisect_ret_sk    2691             if ($child_exit == $bisect_ret_skip) {
2886                 return -1;                       2692                 return -1;
2887             }                                    2693             }
2888         }                                        2694         }
2889         if (defined($bisect_ret_abort)) {        2695         if (defined($bisect_ret_abort)) {
2890             if ($child_exit == $bisect_ret_ab    2696             if ($child_exit == $bisect_ret_abort) {
2891                 fail "test abort" and return     2697                 fail "test abort" and return -2;
2892             }                                    2698             }
2893         }                                        2699         }
2894         if (defined($bisect_ret_bad)) {          2700         if (defined($bisect_ret_bad)) {
2895             if ($child_exit == $bisect_ret_sk    2701             if ($child_exit == $bisect_ret_skip) {
2896                 return 0;                        2702                 return 0;
2897             }                                    2703             }
2898         }                                        2704         }
2899         if (defined($bisect_ret_default)) {      2705         if (defined($bisect_ret_default)) {
2900             if ($bisect_ret_default eq "good"    2706             if ($bisect_ret_default eq "good") {
2901                 return 1;                        2707                 return 1;
2902             } elsif ($bisect_ret_default eq "    2708             } elsif ($bisect_ret_default eq "bad") {
2903                 return 0;                        2709                 return 0;
2904             } elsif ($bisect_ret_default eq "    2710             } elsif ($bisect_ret_default eq "skip") {
2905                 return -1;                       2711                 return -1;
2906             } elsif ($bisect_ret_default eq "    2712             } elsif ($bisect_ret_default eq "abort") {
2907                 return -2;                       2713                 return -2;
2908             } else {                             2714             } else {
2909                 fail "unknown default action:    2715                 fail "unknown default action: $bisect_ret_default"
2910                     and return -2;               2716                     and return -2;
2911             }                                    2717             }
2912         }                                        2718         }
2913     }                                            2719     }
2914                                                  2720 
2915     if ($bug || $child_exit) {                   2721     if ($bug || $child_exit) {
2916         return 0 if $in_bisect;                  2722         return 0 if $in_bisect;
2917         fail "test failed" and return 0;         2723         fail "test failed" and return 0;
2918     }                                            2724     }
2919     return 1;                                    2725     return 1;
2920 }                                                2726 }
2921                                                  2727 
2922 sub run_git_bisect {                             2728 sub run_git_bisect {
2923     my ($command) = @_;                          2729     my ($command) = @_;
2924                                                  2730 
2925     doprint "$command ... ";                     2731     doprint "$command ... ";
2926                                                  2732 
2927     my $output = `$command 2>&1`;                2733     my $output = `$command 2>&1`;
2928     my $ret = $?;                                2734     my $ret = $?;
2929                                                  2735 
2930     logit $output;                               2736     logit $output;
2931                                                  2737 
2932     if ($ret) {                                  2738     if ($ret) {
2933         doprint "FAILED\n";                      2739         doprint "FAILED\n";
2934         dodie "Failed to git bisect";            2740         dodie "Failed to git bisect";
2935     }                                            2741     }
2936                                                  2742 
2937     doprint "SUCCESS\n";                         2743     doprint "SUCCESS\n";
2938     if ($output =~ m/^(Bisecting: .*\(roughly    2744     if ($output =~ m/^(Bisecting: .*\(roughly \d+ steps?\))\s+\[([[:xdigit:]]+)\]/) {
2939         doprint "$1 [$2]\n";                     2745         doprint "$1 [$2]\n";
2940     } elsif ($output =~ m/^([[:xdigit:]]+) is    2746     } elsif ($output =~ m/^([[:xdigit:]]+) is the first bad commit/) {
2941         $bisect_bad_commit = $1;                 2747         $bisect_bad_commit = $1;
2942         doprint "Found bad commit... $1\n";      2748         doprint "Found bad commit... $1\n";
2943         return 0;                                2749         return 0;
2944     } else {                                     2750     } else {
2945         # we already logged it, just print it    2751         # we already logged it, just print it now.
2946         print $output;                           2752         print $output;
2947     }                                            2753     }
2948                                                  2754 
2949     return 1;                                    2755     return 1;
2950 }                                                2756 }
2951                                                  2757 
2952 sub bisect_reboot {                              2758 sub bisect_reboot {
2953     doprint "Reboot and sleep $bisect_sleep_t    2759     doprint "Reboot and sleep $bisect_sleep_time seconds\n";
2954     reboot_to_good $bisect_sleep_time;           2760     reboot_to_good $bisect_sleep_time;
2955 }                                                2761 }
2956                                                  2762 
2957 # returns 1 on success, 0 on failure, -1 on s    2763 # returns 1 on success, 0 on failure, -1 on skip
2958 sub run_bisect_test {                            2764 sub run_bisect_test {
2959     my ($type, $buildtype) = @_;                 2765     my ($type, $buildtype) = @_;
2960                                                  2766 
2961     my $failed = 0;                              2767     my $failed = 0;
2962     my $result;                                  2768     my $result;
2963     my $output;                                  2769     my $output;
2964     my $ret;                                     2770     my $ret;
2965                                                  2771 
2966     $in_bisect = 1;                              2772     $in_bisect = 1;
2967                                                  2773 
2968     build $buildtype or $failed = 1;             2774     build $buildtype or $failed = 1;
2969                                                  2775 
2970     if ($type ne "build") {                      2776     if ($type ne "build") {
2971         if ($failed && $bisect_skip) {           2777         if ($failed && $bisect_skip) {
2972             $in_bisect = 0;                      2778             $in_bisect = 0;
2973             return -1;                           2779             return -1;
2974         }                                        2780         }
2975         dodie "Failed on build" if $failed;      2781         dodie "Failed on build" if $failed;
2976                                                  2782 
2977         # Now boot the box                       2783         # Now boot the box
2978         start_monitor_and_install or $failed     2784         start_monitor_and_install or $failed = 1;
2979                                                  2785 
2980         if ($type ne "boot") {                   2786         if ($type ne "boot") {
2981             if ($failed && $bisect_skip) {       2787             if ($failed && $bisect_skip) {
2982                 end_monitor;                     2788                 end_monitor;
2983                 bisect_reboot;                   2789                 bisect_reboot;
2984                 $in_bisect = 0;                  2790                 $in_bisect = 0;
2985                 return -1;                       2791                 return -1;
2986             }                                    2792             }
2987             dodie "Failed on boot" if $failed    2793             dodie "Failed on boot" if $failed;
2988                                                  2794 
2989             do_run_test or $failed = 1;          2795             do_run_test or $failed = 1;
2990         }                                        2796         }
2991         end_monitor;                             2797         end_monitor;
2992     }                                            2798     }
2993                                                  2799 
2994     if ($failed) {                               2800     if ($failed) {
2995         $result = 0;                             2801         $result = 0;
2996     } else {                                     2802     } else {
2997         $result = 1;                             2803         $result = 1;
2998     }                                            2804     }
2999                                                  2805 
3000     # reboot the box to a kernel we can ssh t    2806     # reboot the box to a kernel we can ssh to
3001     if ($type ne "build") {                      2807     if ($type ne "build") {
3002         bisect_reboot;                           2808         bisect_reboot;
3003     }                                            2809     }
3004     $in_bisect = 0;                              2810     $in_bisect = 0;
3005                                                  2811 
3006     return $result;                              2812     return $result;
3007 }                                                2813 }
3008                                                  2814 
3009 sub run_bisect {                                 2815 sub run_bisect {
3010     my ($type) = @_;                             2816     my ($type) = @_;
3011     my $buildtype = "oldconfig";                 2817     my $buildtype = "oldconfig";
3012                                                  2818 
3013     # We should have a minconfig to use?         2819     # We should have a minconfig to use?
3014     if (defined($minconfig)) {                   2820     if (defined($minconfig)) {
3015         $buildtype = "useconfig:$minconfig";     2821         $buildtype = "useconfig:$minconfig";
3016     }                                            2822     }
3017                                                  2823 
3018     # If the user sets bisect_tries to less t    2824     # If the user sets bisect_tries to less than 1, then no tries
3019     # is a success.                              2825     # is a success.
3020     my $ret = 1;                                 2826     my $ret = 1;
3021                                                  2827 
3022     # Still let the user manually decide that    2828     # Still let the user manually decide that though.
3023     if ($bisect_tries < 1 && $bisect_manual)     2829     if ($bisect_tries < 1 && $bisect_manual) {
3024         $ret = answer_bisect;                    2830         $ret = answer_bisect;
3025     }                                            2831     }
3026                                                  2832 
3027     for (my $i = 0; $i < $bisect_tries; $i++)    2833     for (my $i = 0; $i < $bisect_tries; $i++) {
3028         if ($bisect_tries > 1) {                 2834         if ($bisect_tries > 1) {
3029             my $t = $i + 1;                      2835             my $t = $i + 1;
3030             doprint("Running bisect trial $t     2836             doprint("Running bisect trial $t of $bisect_tries:\n");
3031         }                                        2837         }
3032         $ret = run_bisect_test $type, $buildt    2838         $ret = run_bisect_test $type, $buildtype;
3033                                                  2839 
3034         if ($bisect_manual) {                    2840         if ($bisect_manual) {
3035             $ret = answer_bisect;                2841             $ret = answer_bisect;
3036         }                                        2842         }
3037                                                  2843 
3038         last if (!$ret);                         2844         last if (!$ret);
3039     }                                            2845     }
3040                                                  2846 
3041     # Are we looking for where it worked, not    2847     # Are we looking for where it worked, not failed?
3042     if ($reverse_bisect && $ret >= 0) {          2848     if ($reverse_bisect && $ret >= 0) {
3043         $ret = !$ret;                            2849         $ret = !$ret;
3044     }                                            2850     }
3045                                                  2851 
3046     if ($ret > 0) {                              2852     if ($ret > 0) {
3047         return "good";                           2853         return "good";
3048     } elsif ($ret == 0) {                        2854     } elsif ($ret == 0) {
3049         return  "bad";                           2855         return  "bad";
3050     } elsif ($bisect_skip) {                     2856     } elsif ($bisect_skip) {
3051         doprint "HIT A BAD COMMIT ... SKIPPIN    2857         doprint "HIT A BAD COMMIT ... SKIPPING\n";
3052         return "skip";                           2858         return "skip";
3053     }                                            2859     }
3054 }                                                2860 }
3055                                                  2861 
3056 sub update_bisect_replay {                       2862 sub update_bisect_replay {
3057     my $tmp_log = "$tmpdir/ktest_bisect_log";    2863     my $tmp_log = "$tmpdir/ktest_bisect_log";
3058     run_command "git bisect log > $tmp_log" o    2864     run_command "git bisect log > $tmp_log" or
3059         dodie "can't create bisect log";      !! 2865         die "can't create bisect log";
3060     return $tmp_log;                             2866     return $tmp_log;
3061 }                                                2867 }
3062                                                  2868 
3063 sub bisect {                                     2869 sub bisect {
3064     my ($i) = @_;                                2870     my ($i) = @_;
3065                                                  2871 
3066     my $result;                                  2872     my $result;
3067                                                  2873 
3068     dodie "BISECT_GOOD[$i] not defined\n"     !! 2874     die "BISECT_GOOD[$i] not defined\n" if (!defined($bisect_good));
3069     dodie "BISECT_BAD[$i] not defined\n"      !! 2875     die "BISECT_BAD[$i] not defined\n"  if (!defined($bisect_bad));
3070     dodie "BISECT_TYPE[$i] not defined\n"     !! 2876     die "BISECT_TYPE[$i] not defined\n" if (!defined($bisect_type));
3071                                                  2877 
3072     my $good = $bisect_good;                     2878     my $good = $bisect_good;
3073     my $bad = $bisect_bad;                       2879     my $bad = $bisect_bad;
3074     my $type = $bisect_type;                     2880     my $type = $bisect_type;
3075     my $start = $bisect_start;                   2881     my $start = $bisect_start;
3076     my $replay = $bisect_replay;                 2882     my $replay = $bisect_replay;
3077     my $start_files = $bisect_files;             2883     my $start_files = $bisect_files;
3078                                                  2884 
3079     if (defined($start_files)) {                 2885     if (defined($start_files)) {
3080         $start_files = " -- " . $start_files;    2886         $start_files = " -- " . $start_files;
3081     } else {                                     2887     } else {
3082         $start_files = "";                       2888         $start_files = "";
3083     }                                            2889     }
3084                                                  2890 
3085     # convert to true sha1's                     2891     # convert to true sha1's
3086     $good = get_sha1($good);                     2892     $good = get_sha1($good);
3087     $bad = get_sha1($bad);                       2893     $bad = get_sha1($bad);
3088                                                  2894 
3089     if (defined($bisect_reverse) && $bisect_r    2895     if (defined($bisect_reverse) && $bisect_reverse == 1) {
3090         doprint "Performing a reverse bisect     2896         doprint "Performing a reverse bisect (bad is good, good is bad!)\n";
3091         $reverse_bisect = 1;                     2897         $reverse_bisect = 1;
3092     } else {                                     2898     } else {
3093         $reverse_bisect = 0;                     2899         $reverse_bisect = 0;
3094     }                                            2900     }
3095                                                  2901 
3096     # Can't have a test without having a test    2902     # Can't have a test without having a test to run
3097     if ($type eq "test" && !defined($run_test    2903     if ($type eq "test" && !defined($run_test)) {
3098         $type = "boot";                          2904         $type = "boot";
3099     }                                            2905     }
3100                                                  2906 
3101     # Check if a bisect was running              2907     # Check if a bisect was running
3102     my $bisect_start_file = "$builddir/.git/B    2908     my $bisect_start_file = "$builddir/.git/BISECT_START";
3103                                                  2909 
3104     my $check = $bisect_check;                   2910     my $check = $bisect_check;
3105     my $do_check = defined($check) && $check     2911     my $do_check = defined($check) && $check ne "0";
3106                                                  2912 
3107     if ( -f $bisect_start_file ) {               2913     if ( -f $bisect_start_file ) {
3108         print "Bisect in progress found\n";      2914         print "Bisect in progress found\n";
3109         if ($do_check) {                         2915         if ($do_check) {
3110             print " If you say yes, then no c    2916             print " If you say yes, then no checks of good or bad will be done\n";
3111         }                                        2917         }
3112         if (defined($replay)) {                  2918         if (defined($replay)) {
3113             print "** BISECT_REPLAY is define    2919             print "** BISECT_REPLAY is defined in config file **";
3114             print " Ignore config option and     2920             print " Ignore config option and perform new git bisect log?\n";
3115             if (read_ync " (yes, no, or cance    2921             if (read_ync " (yes, no, or cancel) ") {
3116                 $replay = update_bisect_repla    2922                 $replay = update_bisect_replay;
3117                 $do_check = 0;                   2923                 $do_check = 0;
3118             }                                    2924             }
3119         } elsif (read_yn "read git log and co    2925         } elsif (read_yn "read git log and continue?") {
3120             $replay = update_bisect_replay;      2926             $replay = update_bisect_replay;
3121             $do_check = 0;                       2927             $do_check = 0;
3122         }                                        2928         }
3123     }                                            2929     }
3124                                                  2930 
3125     if ($do_check) {                             2931     if ($do_check) {
                                                   >> 2932 
3126         # get current HEAD                       2933         # get current HEAD
3127         my $head = get_sha1("HEAD");             2934         my $head = get_sha1("HEAD");
3128                                                  2935 
3129         if ($check ne "good") {                  2936         if ($check ne "good") {
3130             doprint "TESTING BISECT BAD [$bad    2937             doprint "TESTING BISECT BAD [$bad]\n";
3131             run_command "git checkout $bad" o    2938             run_command "git checkout $bad" or
3132                 dodie "Failed to checkout $ba !! 2939                 die "Failed to checkout $bad";
3133                                                  2940 
3134             $result = run_bisect $type;          2941             $result = run_bisect $type;
3135                                                  2942 
3136             if ($result ne "bad") {              2943             if ($result ne "bad") {
3137                 fail "Tested BISECT_BAD [$bad    2944                 fail "Tested BISECT_BAD [$bad] and it succeeded" and return 0;
3138             }                                    2945             }
3139         }                                        2946         }
3140                                                  2947 
3141         if ($check ne "bad") {                   2948         if ($check ne "bad") {
3142             doprint "TESTING BISECT GOOD [$go    2949             doprint "TESTING BISECT GOOD [$good]\n";
3143             run_command "git checkout $good"     2950             run_command "git checkout $good" or
3144                 dodie "Failed to checkout $go !! 2951                 die "Failed to checkout $good";
3145                                                  2952 
3146             $result = run_bisect $type;          2953             $result = run_bisect $type;
3147                                                  2954 
3148             if ($result ne "good") {             2955             if ($result ne "good") {
3149                 fail "Tested BISECT_GOOD [$go    2956                 fail "Tested BISECT_GOOD [$good] and it failed" and return 0;
3150             }                                    2957             }
3151         }                                        2958         }
3152                                                  2959 
3153         # checkout where we started              2960         # checkout where we started
3154         run_command "git checkout $head" or      2961         run_command "git checkout $head" or
3155             dodie "Failed to checkout $head"; !! 2962             die "Failed to checkout $head";
3156     }                                            2963     }
3157                                                  2964 
3158     run_command "git bisect start$start_files    2965     run_command "git bisect start$start_files" or
3159         dodie "could not start bisect";          2966         dodie "could not start bisect";
3160                                                  2967 
3161     if (defined($replay)) {                      2968     if (defined($replay)) {
3162         run_command "git bisect replay $repla    2969         run_command "git bisect replay $replay" or
3163             dodie "failed to run replay";        2970             dodie "failed to run replay";
3164     } else {                                     2971     } else {
                                                   >> 2972 
3165         run_command "git bisect good $good" o    2973         run_command "git bisect good $good" or
3166             dodie "could not set bisect good     2974             dodie "could not set bisect good to $good";
3167                                                  2975 
3168         run_git_bisect "git bisect bad $bad"     2976         run_git_bisect "git bisect bad $bad" or
3169             dodie "could not set bisect bad t    2977             dodie "could not set bisect bad to $bad";
                                                   >> 2978 
3170     }                                            2979     }
3171                                                  2980 
3172     if (defined($start)) {                       2981     if (defined($start)) {
3173         run_command "git checkout $start" or     2982         run_command "git checkout $start" or
3174             dodie "failed to checkout $start"    2983             dodie "failed to checkout $start";
3175     }                                            2984     }
3176                                                  2985 
3177     my $test;                                    2986     my $test;
3178     do {                                         2987     do {
3179         $result = run_bisect $type;              2988         $result = run_bisect $type;
3180         $test = run_git_bisect "git bisect $r    2989         $test = run_git_bisect "git bisect $result";
3181         print_times;                             2990         print_times;
3182     } while ($test);                             2991     } while ($test);
3183                                                  2992 
3184     run_command "git bisect log" or              2993     run_command "git bisect log" or
3185         dodie "could not capture git bisect l    2994         dodie "could not capture git bisect log";
3186                                                  2995 
3187     run_command "git bisect reset" or            2996     run_command "git bisect reset" or
3188         dodie "could not reset git bisect";      2997         dodie "could not reset git bisect";
3189                                                  2998 
3190     doprint "Bad commit was [$bisect_bad_comm    2999     doprint "Bad commit was [$bisect_bad_commit]\n";
3191                                                  3000 
3192     success $i;                                  3001     success $i;
3193 }                                                3002 }
3194                                                  3003 
                                                   >> 3004 # config_ignore holds the configs that were set (or unset) for
                                                   >> 3005 # a good config and we will ignore these configs for the rest
                                                   >> 3006 # of a config bisect. These configs stay as they were.
                                                   >> 3007 my %config_ignore;
                                                   >> 3008 
                                                   >> 3009 # config_set holds what all configs were set as.
                                                   >> 3010 my %config_set;
                                                   >> 3011 
                                                   >> 3012 # config_off holds the set of configs that the bad config had disabled.
                                                   >> 3013 # We need to record them and set them in the .config when running
                                                   >> 3014 # olddefconfig, because olddefconfig keeps the defaults.
                                                   >> 3015 my %config_off;
                                                   >> 3016 
                                                   >> 3017 # config_off_tmp holds a set of configs to turn off for now
                                                   >> 3018 my @config_off_tmp;
                                                   >> 3019 
                                                   >> 3020 # config_list is the set of configs that are being tested
                                                   >> 3021 my %config_list;
                                                   >> 3022 my %null_config;
                                                   >> 3023 
                                                   >> 3024 my %dependency;
                                                   >> 3025 
3195 sub assign_configs {                             3026 sub assign_configs {
3196     my ($hash, $config) = @_;                    3027     my ($hash, $config) = @_;
3197                                                  3028 
3198     doprint "Reading configs from $config\n";    3029     doprint "Reading configs from $config\n";
3199                                                  3030 
3200     open (IN, $config) or                     !! 3031     open (IN, $config)
3201         dodie "Failed to read $config";       !! 3032         or dodie "Failed to read $config";
3202                                                  3033 
3203     while (<IN>) {                               3034     while (<IN>) {
3204         chomp;                                   3035         chomp;
3205         if (/^((CONFIG\S*)=.*)/) {               3036         if (/^((CONFIG\S*)=.*)/) {
3206             ${$hash}{$2} = $1;                   3037             ${$hash}{$2} = $1;
3207         } elsif (/^(# (CONFIG\S*) is not set)    3038         } elsif (/^(# (CONFIG\S*) is not set)/) {
3208             ${$hash}{$2} = $1;                   3039             ${$hash}{$2} = $1;
3209         }                                        3040         }
3210     }                                            3041     }
3211                                                  3042 
3212     close(IN);                                   3043     close(IN);
3213 }                                                3044 }
3214                                                  3045 
3215 sub process_config_ignore {                      3046 sub process_config_ignore {
3216     my ($config) = @_;                           3047     my ($config) = @_;
3217                                                  3048 
3218     assign_configs \%config_ignore, $config;     3049     assign_configs \%config_ignore, $config;
3219 }                                                3050 }
3220                                                  3051 
3221 sub get_dependencies {                           3052 sub get_dependencies {
3222     my ($config) = @_;                           3053     my ($config) = @_;
3223                                                  3054 
3224     my $arr = $dependency{$config};              3055     my $arr = $dependency{$config};
3225     if (!defined($arr)) {                        3056     if (!defined($arr)) {
3226         return ();                               3057         return ();
3227     }                                            3058     }
3228                                                  3059 
3229     my @deps = @{$arr};                          3060     my @deps = @{$arr};
3230                                                  3061 
3231     foreach my $dep (@{$arr}) {                  3062     foreach my $dep (@{$arr}) {
3232         print "ADD DEP $dep\n";                  3063         print "ADD DEP $dep\n";
3233         @deps = (@deps, get_dependencies $dep    3064         @deps = (@deps, get_dependencies $dep);
3234     }                                            3065     }
3235                                                  3066 
3236     return @deps;                                3067     return @deps;
3237 }                                                3068 }
3238                                                  3069 
3239 sub save_config {                                3070 sub save_config {
3240     my ($pc, $file) = @_;                        3071     my ($pc, $file) = @_;
3241                                                  3072 
3242     my %configs = %{$pc};                        3073     my %configs = %{$pc};
3243                                                  3074 
3244     doprint "Saving configs into $file\n";       3075     doprint "Saving configs into $file\n";
3245                                                  3076 
3246     open(OUT, ">$file") or dodie "Can not wri    3077     open(OUT, ">$file") or dodie "Can not write to $file";
3247                                                  3078 
3248     foreach my $config (keys %configs) {         3079     foreach my $config (keys %configs) {
3249         print OUT "$configs{$config}\n";         3080         print OUT "$configs{$config}\n";
3250     }                                            3081     }
3251     close(OUT);                                  3082     close(OUT);
3252 }                                                3083 }
3253                                                  3084 
3254 sub create_config {                              3085 sub create_config {
3255     my ($name, $pc) = @_;                        3086     my ($name, $pc) = @_;
3256                                                  3087 
3257     doprint "Creating old config from $name c    3088     doprint "Creating old config from $name configs\n";
3258                                                  3089 
3259     save_config $pc, $output_config;             3090     save_config $pc, $output_config;
3260                                                  3091 
3261     make_oldconfig;                              3092     make_oldconfig;
3262 }                                                3093 }
3263                                                  3094 
                                                   >> 3095 # compare two config hashes, and return configs with different vals.
                                                   >> 3096 # It returns B's config values, but you can use A to see what A was.
                                                   >> 3097 sub diff_config_vals {
                                                   >> 3098     my ($pa, $pb) = @_;
                                                   >> 3099 
                                                   >> 3100     # crappy Perl way to pass in hashes.
                                                   >> 3101     my %a = %{$pa};
                                                   >> 3102     my %b = %{$pb};
                                                   >> 3103 
                                                   >> 3104     my %ret;
                                                   >> 3105 
                                                   >> 3106     foreach my $item (keys %a) {
                                                   >> 3107         if (defined($b{$item}) && $b{$item} ne $a{$item}) {
                                                   >> 3108             $ret{$item} = $b{$item};
                                                   >> 3109         }
                                                   >> 3110     }
                                                   >> 3111 
                                                   >> 3112     return %ret;
                                                   >> 3113 }
                                                   >> 3114 
                                                   >> 3115 # compare two config hashes and return the configs in B but not A
                                                   >> 3116 sub diff_configs {
                                                   >> 3117     my ($pa, $pb) = @_;
                                                   >> 3118 
                                                   >> 3119     my %ret;
                                                   >> 3120 
                                                   >> 3121     # crappy Perl way to pass in hashes.
                                                   >> 3122     my %a = %{$pa};
                                                   >> 3123     my %b = %{$pb};
                                                   >> 3124 
                                                   >> 3125     foreach my $item (keys %b) {
                                                   >> 3126         if (!defined($a{$item})) {
                                                   >> 3127             $ret{$item} = $b{$item};
                                                   >> 3128         }
                                                   >> 3129     }
                                                   >> 3130 
                                                   >> 3131     return %ret;
                                                   >> 3132 }
                                                   >> 3133 
                                                   >> 3134 # return if two configs are equal or not
                                                   >> 3135 # 0 is equal +1 b has something a does not
                                                   >> 3136 # +1 if a and b have a different item.
                                                   >> 3137 # -1 if a has something b does not
                                                   >> 3138 sub compare_configs {
                                                   >> 3139     my ($pa, $pb) = @_;
                                                   >> 3140 
                                                   >> 3141     my %ret;
                                                   >> 3142 
                                                   >> 3143     # crappy Perl way to pass in hashes.
                                                   >> 3144     my %a = %{$pa};
                                                   >> 3145     my %b = %{$pb};
                                                   >> 3146 
                                                   >> 3147     foreach my $item (keys %b) {
                                                   >> 3148         if (!defined($a{$item})) {
                                                   >> 3149             return 1;
                                                   >> 3150         }
                                                   >> 3151         if ($a{$item} ne $b{$item}) {
                                                   >> 3152             return 1;
                                                   >> 3153         }
                                                   >> 3154     }
                                                   >> 3155 
                                                   >> 3156     foreach my $item (keys %a) {
                                                   >> 3157         if (!defined($b{$item})) {
                                                   >> 3158             return -1;
                                                   >> 3159         }
                                                   >> 3160     }
                                                   >> 3161 
                                                   >> 3162     return 0;
                                                   >> 3163 }
                                                   >> 3164 
3264 sub run_config_bisect_test {                     3165 sub run_config_bisect_test {
3265     my ($type) = @_;                             3166     my ($type) = @_;
3266                                                  3167 
3267     my $ret = run_bisect_test $type, "oldconf    3168     my $ret = run_bisect_test $type, "oldconfig";
3268                                                  3169 
3269     if ($bisect_manual) {                        3170     if ($bisect_manual) {
3270         $ret = answer_bisect;                    3171         $ret = answer_bisect;
3271     }                                            3172     }
3272                                                  3173 
3273     return $ret;                                 3174     return $ret;
3274 }                                                3175 }
3275                                                  3176 
3276 sub config_bisect_end {                       !! 3177 sub process_failed {
3277     my ($good, $bad) = @_;                    !! 3178     my ($config) = @_;
3278     my $diffexec = "diff -u";                 << 
3279                                                  3179 
3280     if (-f "$builddir/scripts/diffconfig") {  << 
3281         $diffexec = "$builddir/scripts/diffco << 
3282     }                                         << 
3283     doprint "\n\n****************************    3180     doprint "\n\n***************************************\n";
3284     doprint "No more config bisecting possibl !! 3181     doprint "Found bad config: $config\n";
3285     run_command "$diffexec $good $bad", 1;    << 
3286     doprint "********************************    3182     doprint "***************************************\n\n";
3287 }                                                3183 }
3288                                                  3184 
                                                   >> 3185 # used for config bisecting
                                                   >> 3186 my $good_config;
                                                   >> 3187 my $bad_config;
                                                   >> 3188 
                                                   >> 3189 sub process_new_config {
                                                   >> 3190     my ($tc, $nc, $gc, $bc) = @_;
                                                   >> 3191 
                                                   >> 3192     my %tmp_config = %{$tc};
                                                   >> 3193     my %good_configs = %{$gc};
                                                   >> 3194     my %bad_configs = %{$bc};
                                                   >> 3195 
                                                   >> 3196     my %new_configs;
                                                   >> 3197 
                                                   >> 3198     my $runtest = 1;
                                                   >> 3199     my $ret;
                                                   >> 3200 
                                                   >> 3201     create_config "tmp_configs", \%tmp_config;
                                                   >> 3202     assign_configs \%new_configs, $output_config;
                                                   >> 3203 
                                                   >> 3204     $ret = compare_configs \%new_configs, \%bad_configs;
                                                   >> 3205     if (!$ret) {
                                                   >> 3206         doprint "New config equals bad config, try next test\n";
                                                   >> 3207         $runtest = 0;
                                                   >> 3208     }
                                                   >> 3209 
                                                   >> 3210     if ($runtest) {
                                                   >> 3211         $ret = compare_configs \%new_configs, \%good_configs;
                                                   >> 3212         if (!$ret) {
                                                   >> 3213             doprint "New config equals good config, try next test\n";
                                                   >> 3214             $runtest = 0;
                                                   >> 3215         }
                                                   >> 3216     }
                                                   >> 3217 
                                                   >> 3218     %{$nc} = %new_configs;
                                                   >> 3219 
                                                   >> 3220     return $runtest;
                                                   >> 3221 }
                                                   >> 3222 
3289 sub run_config_bisect {                          3223 sub run_config_bisect {
3290     my ($good, $bad, $last_result) = @_;      !! 3224     my ($pgood, $pbad) = @_;
3291     my $reset = "";                           !! 3225 
3292     my $cmd;                                  !! 3226     my $type = $config_bisect_type;
                                                   >> 3227 
                                                   >> 3228     my %good_configs = %{$pgood};
                                                   >> 3229     my %bad_configs = %{$pbad};
                                                   >> 3230 
                                                   >> 3231     my %diff_configs = diff_config_vals \%good_configs, \%bad_configs;
                                                   >> 3232     my %b_configs = diff_configs \%good_configs, \%bad_configs;
                                                   >> 3233     my %g_configs = diff_configs \%bad_configs, \%good_configs;
                                                   >> 3234 
                                                   >> 3235     my @diff_arr = keys %diff_configs;
                                                   >> 3236     my $len_diff = $#diff_arr + 1;
                                                   >> 3237 
                                                   >> 3238     my @b_arr = keys %b_configs;
                                                   >> 3239     my $len_b = $#b_arr + 1;
                                                   >> 3240 
                                                   >> 3241     my @g_arr = keys %g_configs;
                                                   >> 3242     my $len_g = $#g_arr + 1;
                                                   >> 3243 
                                                   >> 3244     my $runtest = 1;
                                                   >> 3245     my %new_configs;
3293     my $ret;                                     3246     my $ret;
3294                                                  3247 
3295     if (!length($last_result)) {              !! 3248     # First, lets get it down to a single subset.
3296         $reset = "-r";                        !! 3249     # Is the problem with a difference in values?
                                                   >> 3250     # Is the problem with a missing config?
                                                   >> 3251     # Is the problem with a config that breaks things?
                                                   >> 3252 
                                                   >> 3253     # Enable all of one set and see if we get a new bad
                                                   >> 3254     # or good config.
                                                   >> 3255 
                                                   >> 3256     # first set the good config to the bad values.
                                                   >> 3257 
                                                   >> 3258     doprint "d=$len_diff g=$len_g b=$len_b\n";
                                                   >> 3259 
                                                   >> 3260     # first lets enable things in bad config that are enabled in good config
                                                   >> 3261 
                                                   >> 3262     if ($len_diff > 0) {
                                                   >> 3263         if ($len_b > 0 || $len_g > 0) {
                                                   >> 3264             my %tmp_config = %bad_configs;
                                                   >> 3265 
                                                   >> 3266             doprint "Set tmp config to be bad config with good config values\n";
                                                   >> 3267             foreach my $item (@diff_arr) {
                                                   >> 3268                 $tmp_config{$item} = $good_configs{$item};
                                                   >> 3269             }
                                                   >> 3270 
                                                   >> 3271             $runtest = process_new_config \%tmp_config, \%new_configs,
                                                   >> 3272                             \%good_configs, \%bad_configs;
                                                   >> 3273         }
3297     }                                            3274     }
3298     run_command "$config_bisect_exec $reset - << 
3299                                                  3275 
3300     # config-bisect returns:                  !! 3276     if (!$runtest && $len_diff > 0) {
3301     #   0 if there is more to bisect          !! 3277 
3302     #   1 for finding a good config           !! 3278         if ($len_diff == 1) {
3303     #   2 if it can not find any more configs !! 3279             process_failed $diff_arr[0];
3304     #  -1 (255) on error                      !! 3280             return 1;
3305     if ($run_command_status) {                !! 3281         }
3306         return $run_command_status;           !! 3282         my %tmp_config = %bad_configs;
                                                   >> 3283 
                                                   >> 3284         my $half = int($#diff_arr / 2);
                                                   >> 3285         my @tophalf = @diff_arr[0 .. $half];
                                                   >> 3286 
                                                   >> 3287         doprint "Settings bisect with top half:\n";
                                                   >> 3288         doprint "Set tmp config to be bad config with some good config values\n";
                                                   >> 3289         foreach my $item (@tophalf) {
                                                   >> 3290             $tmp_config{$item} = $good_configs{$item};
                                                   >> 3291         }
                                                   >> 3292 
                                                   >> 3293         $runtest = process_new_config \%tmp_config, \%new_configs,
                                                   >> 3294                             \%good_configs, \%bad_configs;
                                                   >> 3295 
                                                   >> 3296         if (!$runtest) {
                                                   >> 3297             my %tmp_config = %bad_configs;
                                                   >> 3298 
                                                   >> 3299             doprint "Try bottom half\n";
                                                   >> 3300 
                                                   >> 3301             my @bottomhalf = @diff_arr[$half+1 .. $#diff_arr];
                                                   >> 3302 
                                                   >> 3303             foreach my $item (@bottomhalf) {
                                                   >> 3304                 $tmp_config{$item} = $good_configs{$item};
                                                   >> 3305             }
                                                   >> 3306 
                                                   >> 3307             $runtest = process_new_config \%tmp_config, \%new_configs,
                                                   >> 3308                             \%good_configs, \%bad_configs;
                                                   >> 3309         }
3307     }                                            3310     }
3308                                                  3311 
3309     $ret = run_config_bisect_test $config_bis !! 3312     if ($runtest) {
3310     if ($ret) {                               !! 3313         $ret = run_config_bisect_test $type;
3311         doprint "NEW GOOD CONFIG ($pass)\n";  !! 3314         if ($ret) {
3312         system("cp $output_config $tmpdir/goo !! 3315             doprint "NEW GOOD CONFIG\n";
3313         $pass++;                              !! 3316             %good_configs = %new_configs;
3314         # Return 3 for good config            !! 3317             run_command "mv $good_config ${good_config}.last";
3315         return 3;                             !! 3318             save_config \%good_configs, $good_config;
3316     } else {                                  !! 3319             %{$pgood} = %good_configs;
3317         doprint "NEW BAD CONFIG ($pass)\n";   !! 3320         } else {
3318         system("cp $output_config $tmpdir/bad !! 3321             doprint "NEW BAD CONFIG\n";
3319         $pass++;                              !! 3322             %bad_configs = %new_configs;
3320         # Return 4 for bad config             !! 3323             run_command "mv $bad_config ${bad_config}.last";
3321         return 4;                             !! 3324             save_config \%bad_configs, $bad_config;
                                                   >> 3325             %{$pbad} = %bad_configs;
                                                   >> 3326         }
                                                   >> 3327         return 0;
3322     }                                            3328     }
                                                   >> 3329 
                                                   >> 3330     fail "Hmm, need to do a mix match?\n";
                                                   >> 3331     return -1;
3323 }                                                3332 }
3324                                                  3333 
3325 sub config_bisect {                              3334 sub config_bisect {
3326     my ($i) = @_;                                3335     my ($i) = @_;
3327                                                  3336 
3328     my $good_config;                          << 
3329     my $bad_config;                           << 
3330                                               << 
3331     my $type = $config_bisect_type;              3337     my $type = $config_bisect_type;
3332     my $ret;                                     3338     my $ret;
3333                                                  3339 
3334     $bad_config = $config_bisect;                3340     $bad_config = $config_bisect;
3335                                                  3341 
3336     if (defined($config_bisect_good)) {          3342     if (defined($config_bisect_good)) {
3337         $good_config = $config_bisect_good;      3343         $good_config = $config_bisect_good;
3338     } elsif (defined($minconfig)) {              3344     } elsif (defined($minconfig)) {
3339         $good_config = $minconfig;               3345         $good_config = $minconfig;
3340     } else {                                     3346     } else {
3341         doprint "No config specified, checkin    3347         doprint "No config specified, checking if defconfig works";
3342         $ret = run_bisect_test $type, "defcon    3348         $ret = run_bisect_test $type, "defconfig";
3343         if (!$ret) {                             3349         if (!$ret) {
3344             fail "Have no good config to comp    3350             fail "Have no good config to compare with, please set CONFIG_BISECT_GOOD";
3345             return 1;                            3351             return 1;
3346         }                                        3352         }
3347         $good_config = $output_config;           3353         $good_config = $output_config;
3348     }                                            3354     }
3349                                                  3355 
3350     if (!defined($config_bisect_exec)) {      << 
3351         # First check the location that ktest << 
3352         my @locations = (                     << 
3353                 "$pwd/config-bisect.pl",      << 
3354                 "$dirname/config-bisect.pl",  << 
3355                 "$builddir/tools/testing/ktes << 
3356                 undef );                      << 
3357         foreach my $loc (@locations) {        << 
3358             doprint "loc = $loc\n";           << 
3359             $config_bisect_exec = $loc;       << 
3360             last if (defined($config_bisect_e << 
3361         }                                     << 
3362         if (!defined($config_bisect_exec)) {  << 
3363             fail "Could not find an executabl << 
3364                 "  Set CONFIG_BISECT_EXEC to  << 
3365             return 1;                         << 
3366         }                                     << 
3367     }                                         << 
3368                                               << 
3369     # we don't want min configs to cause issu    3356     # we don't want min configs to cause issues here.
3370     doprint "Disabling 'MIN_CONFIG' for this     3357     doprint "Disabling 'MIN_CONFIG' for this test\n";
3371     undef $minconfig;                            3358     undef $minconfig;
3372                                                  3359 
3373     my %good_configs;                            3360     my %good_configs;
3374     my %bad_configs;                             3361     my %bad_configs;
3375     my %tmp_configs;                             3362     my %tmp_configs;
3376                                                  3363 
3377     if (-f "$tmpdir/good_config.tmp" || -f "$ << 
3378         if (read_yn "Interrupted config-bisec << 
3379             if (-f "$tmpdir/good_config.tmp") << 
3380                 $good_config = "$tmpdir/good_ << 
3381             } else {                          << 
3382                 $good_config = "$tmpdir/good_ << 
3383             }                                 << 
3384             if (-f "$tmpdir/bad_config.tmp")  << 
3385                 $bad_config = "$tmpdir/bad_co << 
3386             } else {                          << 
3387                 $bad_config = "$tmpdir/bad_co << 
3388             }                                 << 
3389         }                                     << 
3390     }                                         << 
3391     doprint "Run good configs through make ol    3364     doprint "Run good configs through make oldconfig\n";
3392     assign_configs \%tmp_configs, $good_confi    3365     assign_configs \%tmp_configs, $good_config;
3393     create_config "$good_config", \%tmp_confi    3366     create_config "$good_config", \%tmp_configs;
3394     $good_config = "$tmpdir/good_config";     !! 3367     assign_configs \%good_configs, $output_config;
3395     system("cp $output_config $good_config")  << 
3396                                                  3368 
3397     doprint "Run bad configs through make old    3369     doprint "Run bad configs through make oldconfig\n";
3398     assign_configs \%tmp_configs, $bad_config    3370     assign_configs \%tmp_configs, $bad_config;
3399     create_config "$bad_config", \%tmp_config    3371     create_config "$bad_config", \%tmp_configs;
                                                   >> 3372     assign_configs \%bad_configs, $output_config;
                                                   >> 3373 
                                                   >> 3374     $good_config = "$tmpdir/good_config";
3400     $bad_config = "$tmpdir/bad_config";          3375     $bad_config = "$tmpdir/bad_config";
3401     system("cp $output_config $bad_config") = !! 3376 
                                                   >> 3377     save_config \%good_configs, $good_config;
                                                   >> 3378     save_config \%bad_configs, $bad_config;
3402                                                  3379 
3403     if (defined($config_bisect_check) && $con    3380     if (defined($config_bisect_check) && $config_bisect_check ne "0") {
3404         if ($config_bisect_check ne "good") {    3381         if ($config_bisect_check ne "good") {
3405             doprint "Testing bad config\n";      3382             doprint "Testing bad config\n";
3406                                                  3383 
3407             $ret = run_bisect_test $type, "us    3384             $ret = run_bisect_test $type, "useconfig:$bad_config";
3408             if ($ret) {                          3385             if ($ret) {
3409                 fail "Bad config succeeded wh    3386                 fail "Bad config succeeded when expected to fail!";
3410                 return 0;                        3387                 return 0;
3411             }                                    3388             }
3412         }                                        3389         }
3413         if ($config_bisect_check ne "bad") {     3390         if ($config_bisect_check ne "bad") {
3414             doprint "Testing good config\n";     3391             doprint "Testing good config\n";
3415                                                  3392 
3416             $ret = run_bisect_test $type, "us    3393             $ret = run_bisect_test $type, "useconfig:$good_config";
3417             if (!$ret) {                         3394             if (!$ret) {
3418                 fail "Good config failed when    3395                 fail "Good config failed when expected to succeed!";
3419                 return 0;                        3396                 return 0;
3420             }                                    3397             }
3421         }                                        3398         }
3422     }                                            3399     }
3423                                                  3400 
3424     my $last_run = "";                        << 
3425                                               << 
3426     do {                                         3401     do {
3427         $ret = run_config_bisect $good_config !! 3402         $ret = run_config_bisect \%good_configs, \%bad_configs;
3428         if ($ret == 3) {                      << 
3429             $last_run = "good";               << 
3430         } elsif ($ret == 4) {                 << 
3431             $last_run = "bad";                << 
3432         }                                     << 
3433         print_times;                             3403         print_times;
3434     } while ($ret == 3 || $ret == 4);         !! 3404     } while (!$ret);
3435                                               << 
3436     if ($ret == 2) {                          << 
3437         config_bisect_end "$good_config.tmp", << 
3438     }                                         << 
3439                                                  3405 
3440     return $ret if ($ret < 0);                   3406     return $ret if ($ret < 0);
3441                                                  3407 
3442     success $i;                                  3408     success $i;
3443 }                                                3409 }
3444                                                  3410 
3445 sub patchcheck_reboot {                          3411 sub patchcheck_reboot {
3446     doprint "Reboot and sleep $patchcheck_sle    3412     doprint "Reboot and sleep $patchcheck_sleep_time seconds\n";
3447     reboot_to_good $patchcheck_sleep_time;       3413     reboot_to_good $patchcheck_sleep_time;
3448 }                                                3414 }
3449                                                  3415 
3450 sub patchcheck {                                 3416 sub patchcheck {
3451     my ($i) = @_;                                3417     my ($i) = @_;
3452                                                  3418 
3453     dodie "PATCHCHECK_START[$i] not defined\n !! 3419     die "PATCHCHECK_START[$i] not defined\n"
3454         if (!defined($patchcheck_start));        3420         if (!defined($patchcheck_start));
3455     dodie "PATCHCHECK_TYPE[$i] not defined\n" !! 3421     die "PATCHCHECK_TYPE[$i] not defined\n"
3456         if (!defined($patchcheck_type));         3422         if (!defined($patchcheck_type));
3457                                                  3423 
3458     my $start = $patchcheck_start;               3424     my $start = $patchcheck_start;
3459                                                  3425 
3460     my $cherry = $patchcheck_cherry;             3426     my $cherry = $patchcheck_cherry;
3461     if (!defined($cherry)) {                     3427     if (!defined($cherry)) {
3462         $cherry = 0;                             3428         $cherry = 0;
3463     }                                            3429     }
3464                                                  3430 
3465     my $end = "HEAD";                            3431     my $end = "HEAD";
3466     if (defined($patchcheck_end)) {              3432     if (defined($patchcheck_end)) {
3467         $end = $patchcheck_end;                  3433         $end = $patchcheck_end;
3468     } elsif ($cherry) {                          3434     } elsif ($cherry) {
3469         dodie "PATCHCHECK_END must be defined !! 3435         die "PATCHCHECK_END must be defined with PATCHCHECK_CHERRY\n";
3470     }                                            3436     }
3471                                                  3437 
3472     # Get the true sha1's since we can use th    3438     # Get the true sha1's since we can use things like HEAD~3
3473     $start = get_sha1($start);                   3439     $start = get_sha1($start);
3474     $end = get_sha1($end);                       3440     $end = get_sha1($end);
3475                                                  3441 
3476     my $type = $patchcheck_type;                 3442     my $type = $patchcheck_type;
3477                                                  3443 
3478     # Can't have a test without having a test    3444     # Can't have a test without having a test to run
3479     if ($type eq "test" && !defined($run_test    3445     if ($type eq "test" && !defined($run_test)) {
3480         $type = "boot";                          3446         $type = "boot";
3481     }                                            3447     }
3482                                                  3448 
3483     if ($cherry) {                               3449     if ($cherry) {
3484         open (IN, "git cherry -v $start $end|    3450         open (IN, "git cherry -v $start $end|") or
3485             dodie "could not get git list";      3451             dodie "could not get git list";
3486     } else {                                     3452     } else {
3487         open (IN, "git log --pretty=oneline $    3453         open (IN, "git log --pretty=oneline $end|") or
3488             dodie "could not get git list";      3454             dodie "could not get git list";
3489     }                                            3455     }
3490                                                  3456 
3491     my @list;                                    3457     my @list;
3492                                                  3458 
3493     while (<IN>) {                               3459     while (<IN>) {
3494         chomp;                                   3460         chomp;
3495         # git cherry adds a '+' we want to re    3461         # git cherry adds a '+' we want to remove
3496         s/^\+ //;                                3462         s/^\+ //;
3497         $list[$#list+1] = $_;                    3463         $list[$#list+1] = $_;
3498         last if (/^$start/);                     3464         last if (/^$start/);
3499     }                                            3465     }
3500     close(IN);                                   3466     close(IN);
3501                                                  3467 
3502     if (!$cherry) {                              3468     if (!$cherry) {
3503         if ($list[$#list] !~ /^$start/) {        3469         if ($list[$#list] !~ /^$start/) {
3504             fail "SHA1 $start not found";        3470             fail "SHA1 $start not found";
3505         }                                        3471         }
3506                                                  3472 
3507         # go backwards in the list               3473         # go backwards in the list
3508         @list = reverse @list;                   3474         @list = reverse @list;
3509     }                                            3475     }
3510                                                  3476 
3511     doprint("Going to test the following comm    3477     doprint("Going to test the following commits:\n");
3512     foreach my $l (@list) {                      3478     foreach my $l (@list) {
3513         doprint "$l\n";                          3479         doprint "$l\n";
3514     }                                            3480     }
3515                                                  3481 
3516     my $save_clean = $noclean;                   3482     my $save_clean = $noclean;
3517     my %ignored_warnings;                        3483     my %ignored_warnings;
3518                                                  3484 
3519     if (defined($ignore_warnings)) {             3485     if (defined($ignore_warnings)) {
3520         foreach my $sha1 (split /\s+/, $ignor    3486         foreach my $sha1 (split /\s+/, $ignore_warnings) {
3521             $ignored_warnings{$sha1} = 1;        3487             $ignored_warnings{$sha1} = 1;
3522         }                                        3488         }
3523     }                                            3489     }
3524                                                  3490 
3525     $in_patchcheck = 1;                          3491     $in_patchcheck = 1;
3526     foreach my $item (@list) {                   3492     foreach my $item (@list) {
3527         my $sha1 = $item;                        3493         my $sha1 = $item;
3528         $sha1 =~ s/^([[:xdigit:]]+).*/$1/;       3494         $sha1 =~ s/^([[:xdigit:]]+).*/$1/;
3529                                                  3495 
3530         doprint "\nProcessing commit \"$item\    3496         doprint "\nProcessing commit \"$item\"\n\n";
3531                                                  3497 
3532         run_command "git checkout $sha1" or      3498         run_command "git checkout $sha1" or
3533             dodie "Failed to checkout $sha1"; !! 3499             die "Failed to checkout $sha1";
3534                                                  3500 
3535         # only clean on the first and last pa    3501         # only clean on the first and last patch
3536         if ($item eq $list[0] ||                 3502         if ($item eq $list[0] ||
3537             $item eq $list[$#list]) {            3503             $item eq $list[$#list]) {
3538             $noclean = $save_clean;              3504             $noclean = $save_clean;
3539         } else {                                 3505         } else {
3540             $noclean = 1;                        3506             $noclean = 1;
3541         }                                        3507         }
3542                                                  3508 
3543         if (defined($minconfig)) {               3509         if (defined($minconfig)) {
3544             build "useconfig:$minconfig" or r    3510             build "useconfig:$minconfig" or return 0;
3545         } else {                                 3511         } else {
3546             # ?? no config to use?               3512             # ?? no config to use?
3547             build "oldconfig" or return 0;       3513             build "oldconfig" or return 0;
3548         }                                        3514         }
3549                                                  3515 
3550         # No need to do per patch checking if    3516         # No need to do per patch checking if warnings file exists
3551         if (!defined($warnings_file) && !defi    3517         if (!defined($warnings_file) && !defined($ignored_warnings{$sha1})) {
3552             check_patch_buildlog $sha1 or ret    3518             check_patch_buildlog $sha1 or return 0;
3553         }                                        3519         }
3554                                                  3520 
3555         check_buildlog or return 0;              3521         check_buildlog or return 0;
3556                                                  3522 
3557         next if ($type eq "build");              3523         next if ($type eq "build");
3558                                                  3524 
3559         my $failed = 0;                          3525         my $failed = 0;
3560                                                  3526 
3561         start_monitor_and_install or $failed     3527         start_monitor_and_install or $failed = 1;
3562                                                  3528 
3563         if (!$failed && $type ne "boot"){        3529         if (!$failed && $type ne "boot"){
3564             do_run_test or $failed = 1;          3530             do_run_test or $failed = 1;
3565         }                                        3531         }
3566         end_monitor;                             3532         end_monitor;
3567         if ($failed) {                           3533         if ($failed) {
3568             print_times;                         3534             print_times;
3569             return 0;                            3535             return 0;
3570         }                                        3536         }
3571         patchcheck_reboot;                       3537         patchcheck_reboot;
3572         print_times;                             3538         print_times;
3573     }                                            3539     }
3574     $in_patchcheck = 0;                          3540     $in_patchcheck = 0;
3575     success $i;                                  3541     success $i;
3576                                                  3542 
3577     return 1;                                    3543     return 1;
3578 }                                                3544 }
3579                                                  3545 
                                                   >> 3546 my %depends;
                                                   >> 3547 my %depcount;
                                                   >> 3548 my $iflevel = 0;
                                                   >> 3549 my @ifdeps;
                                                   >> 3550 
                                                   >> 3551 # prevent recursion
                                                   >> 3552 my %read_kconfigs;
                                                   >> 3553 
3580 sub add_dep {                                    3554 sub add_dep {
3581     # $config depends on $dep                    3555     # $config depends on $dep
3582     my ($config, $dep) = @_;                     3556     my ($config, $dep) = @_;
3583                                                  3557 
3584     if (defined($depends{$config})) {            3558     if (defined($depends{$config})) {
3585         $depends{$config} .= " " . $dep;         3559         $depends{$config} .= " " . $dep;
3586     } else {                                     3560     } else {
3587         $depends{$config} = $dep;                3561         $depends{$config} = $dep;
3588     }                                            3562     }
3589                                                  3563 
3590     # record the number of configs depending     3564     # record the number of configs depending on $dep
3591     if (defined $depcount{$dep}) {               3565     if (defined $depcount{$dep}) {
3592         $depcount{$dep}++;                       3566         $depcount{$dep}++;
3593     } else {                                     3567     } else {
3594         $depcount{$dep} = 1;                     3568         $depcount{$dep} = 1;
3595     }                                            3569     } 
3596 }                                                3570 }
3597                                                  3571 
3598 # taken from streamline_config.pl                3572 # taken from streamline_config.pl
3599 sub read_kconfig {                               3573 sub read_kconfig {
3600     my ($kconfig) = @_;                          3574     my ($kconfig) = @_;
3601                                                  3575 
3602     my $state = "NONE";                          3576     my $state = "NONE";
3603     my $config;                                  3577     my $config;
3604     my @kconfigs;                                3578     my @kconfigs;
3605                                                  3579 
3606     my $cont = 0;                                3580     my $cont = 0;
3607     my $line;                                    3581     my $line;
3608                                                  3582 
                                                   >> 3583 
3609     if (! -f $kconfig) {                         3584     if (! -f $kconfig) {
3610         doprint "file $kconfig does not exist    3585         doprint "file $kconfig does not exist, skipping\n";
3611         return;                                  3586         return;
3612     }                                            3587     }
3613                                                  3588 
3614     open(KIN, "$kconfig")                        3589     open(KIN, "$kconfig")
3615         or dodie "Can't open $kconfig";       !! 3590         or die "Can't open $kconfig";
3616     while (<KIN>) {                              3591     while (<KIN>) {
3617         chomp;                                   3592         chomp;
3618                                                  3593 
3619         # Make sure that lines ending with \     3594         # Make sure that lines ending with \ continue
3620         if ($cont) {                             3595         if ($cont) {
3621             $_ = $line . " " . $_;               3596             $_ = $line . " " . $_;
3622         }                                        3597         }
3623                                                  3598 
3624         if (s/\\$//) {                           3599         if (s/\\$//) {
3625             $cont = 1;                           3600             $cont = 1;
3626             $line = $_;                          3601             $line = $_;
3627             next;                                3602             next;
3628         }                                        3603         }
3629                                                  3604 
3630         $cont = 0;                               3605         $cont = 0;
3631                                                  3606 
3632         # collect any Kconfig sources            3607         # collect any Kconfig sources
3633         if (/^source\s*"(.*)"/) {                3608         if (/^source\s*"(.*)"/) {
3634             $kconfigs[$#kconfigs+1] = $1;        3609             $kconfigs[$#kconfigs+1] = $1;
3635         }                                        3610         }
3636                                                  3611 
3637         # configs found                          3612         # configs found
3638         if (/^\s*(menu)?config\s+(\S+)\s*$/)     3613         if (/^\s*(menu)?config\s+(\S+)\s*$/) {
3639             $state = "NEW";                      3614             $state = "NEW";
3640             $config = $2;                        3615             $config = $2;
3641                                                  3616 
3642             for (my $i = 0; $i < $iflevel; $i    3617             for (my $i = 0; $i < $iflevel; $i++) {
3643                 add_dep $config, $ifdeps[$i];    3618                 add_dep $config, $ifdeps[$i];
3644             }                                    3619             }
3645                                                  3620 
3646         # collect the depends for the config     3621         # collect the depends for the config
3647         } elsif ($state eq "NEW" && /^\s*depe    3622         } elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) {
3648                                                  3623 
3649             add_dep $config, $1;                 3624             add_dep $config, $1;
3650                                                  3625 
3651         # Get the configs that select this co    3626         # Get the configs that select this config
3652         } elsif ($state eq "NEW" && /^\s*sele    3627         } elsif ($state eq "NEW" && /^\s*select\s+(\S+)/) {
3653                                                  3628 
3654             # selected by depends on config      3629             # selected by depends on config
3655             add_dep $1, $config;                 3630             add_dep $1, $config;
3656                                                  3631 
3657         # Check for if statements                3632         # Check for if statements
3658         } elsif (/^if\s+(.*\S)\s*$/) {           3633         } elsif (/^if\s+(.*\S)\s*$/) {
3659             my $deps = $1;                       3634             my $deps = $1;
3660             # remove beginning and ending non    3635             # remove beginning and ending non text
3661             $deps =~ s/^[^a-zA-Z0-9_]*//;        3636             $deps =~ s/^[^a-zA-Z0-9_]*//;
3662             $deps =~ s/[^a-zA-Z0-9_]*$//;        3637             $deps =~ s/[^a-zA-Z0-9_]*$//;
3663                                                  3638 
3664             my @deps = split /[^a-zA-Z0-9_]+/    3639             my @deps = split /[^a-zA-Z0-9_]+/, $deps;
3665                                                  3640 
3666             $ifdeps[$iflevel++] = join ':', @    3641             $ifdeps[$iflevel++] = join ':', @deps;
3667                                                  3642 
3668         } elsif (/^endif/) {                     3643         } elsif (/^endif/) {
3669                                                  3644 
3670             $iflevel-- if ($iflevel);            3645             $iflevel-- if ($iflevel);
3671                                                  3646 
3672         # stop on "help"                         3647         # stop on "help"
3673         } elsif (/^\s*help\s*$/) {               3648         } elsif (/^\s*help\s*$/) {
3674             $state = "NONE";                     3649             $state = "NONE";
3675         }                                        3650         }
3676     }                                            3651     }
3677     close(KIN);                                  3652     close(KIN);
3678                                                  3653 
3679     # read in any configs that were found.       3654     # read in any configs that were found.
3680     foreach $kconfig (@kconfigs) {               3655     foreach $kconfig (@kconfigs) {
3681         if (!defined($read_kconfigs{$kconfig}    3656         if (!defined($read_kconfigs{$kconfig})) {
3682             $read_kconfigs{$kconfig} = 1;        3657             $read_kconfigs{$kconfig} = 1;
3683             read_kconfig("$builddir/$kconfig"    3658             read_kconfig("$builddir/$kconfig");
3684         }                                        3659         }
3685     }                                            3660     }
3686 }                                                3661 }
3687                                                  3662 
3688 sub read_depends {                               3663 sub read_depends {
3689     # find out which arch this is by the kcon    3664     # find out which arch this is by the kconfig file
3690     open (IN, $output_config) or              !! 3665     open (IN, $output_config)
3691         dodie "Failed to read $output_config" !! 3666         or dodie "Failed to read $output_config";
3692     my $arch;                                    3667     my $arch;
3693     while (<IN>) {                               3668     while (<IN>) {
3694         if (m,Linux/(\S+)\s+\S+\s+Kernel Conf    3669         if (m,Linux/(\S+)\s+\S+\s+Kernel Configuration,) {
3695             $arch = $1;                          3670             $arch = $1;
3696             last;                                3671             last;
3697         }                                        3672         }
3698     }                                            3673     }
3699     close IN;                                    3674     close IN;
3700                                                  3675 
3701     if (!defined($arch)) {                       3676     if (!defined($arch)) {
3702         doprint "Could not find arch from con    3677         doprint "Could not find arch from config file\n";
3703         doprint "no dependencies used\n";        3678         doprint "no dependencies used\n";
3704         return;                                  3679         return;
3705     }                                            3680     }
3706                                                  3681 
3707     # arch is really the subarch, we need to     3682     # arch is really the subarch, we need to know
3708     # what directory to look at.                 3683     # what directory to look at.
3709     if ($arch eq "i386" || $arch eq "x86_64")    3684     if ($arch eq "i386" || $arch eq "x86_64") {
3710         $arch = "x86";                           3685         $arch = "x86";
                                                   >> 3686     } elsif ($arch =~ /^tile/) {
                                                   >> 3687         $arch = "tile";
3711     }                                            3688     }
3712                                                  3689 
3713     my $kconfig = "$builddir/arch/$arch/Kconf    3690     my $kconfig = "$builddir/arch/$arch/Kconfig";
3714                                                  3691 
3715     if (! -f $kconfig && $arch =~ /\d$/) {       3692     if (! -f $kconfig && $arch =~ /\d$/) {
3716         my $orig = $arch;                        3693         my $orig = $arch;
3717         # some subarchs have numbers, truncat !! 3694         # some subarchs have numbers, truncate them
3718         $arch =~ s/\d*$//;                       3695         $arch =~ s/\d*$//;
3719         $kconfig = "$builddir/arch/$arch/Kcon    3696         $kconfig = "$builddir/arch/$arch/Kconfig";
3720         if (! -f $kconfig) {                     3697         if (! -f $kconfig) {
3721             doprint "No idea what arch dir $o    3698             doprint "No idea what arch dir $orig is for\n";
3722             doprint "no dependencies used\n";    3699             doprint "no dependencies used\n";
3723             return;                              3700             return;
3724         }                                        3701         }
3725     }                                            3702     }
3726                                                  3703 
3727     read_kconfig($kconfig);                      3704     read_kconfig($kconfig);
3728 }                                                3705 }
3729                                                  3706 
3730 sub make_new_config {                            3707 sub make_new_config {
3731     my @configs = @_;                            3708     my @configs = @_;
3732                                                  3709 
3733     open (OUT, ">$output_config")                3710     open (OUT, ">$output_config")
3734         or dodie "Failed to write $output_con    3711         or dodie "Failed to write $output_config";
3735                                                  3712 
3736     foreach my $config (@configs) {              3713     foreach my $config (@configs) {
3737         print OUT "$config\n";                   3714         print OUT "$config\n";
3738     }                                            3715     }
3739     close OUT;                                   3716     close OUT;
3740 }                                                3717 }
3741                                                  3718 
3742 sub chomp_config {                               3719 sub chomp_config {
3743     my ($config) = @_;                           3720     my ($config) = @_;
3744                                                  3721 
3745     $config =~ s/CONFIG_//;                      3722     $config =~ s/CONFIG_//;
3746                                                  3723 
3747     return $config;                              3724     return $config;
3748 }                                                3725 }
3749                                                  3726 
3750 sub get_depends {                                3727 sub get_depends {
3751     my ($dep) = @_;                              3728     my ($dep) = @_;
3752                                                  3729 
3753     my $kconfig = chomp_config $dep;             3730     my $kconfig = chomp_config $dep;
3754                                                  3731 
3755     $dep = $depends{"$kconfig"};                 3732     $dep = $depends{"$kconfig"};
3756                                                  3733 
3757     # the dep string we have saves the depend    3734     # the dep string we have saves the dependencies as they
3758     # were found, including expressions like     3735     # were found, including expressions like ! && ||. We
3759     # want to split this out into just an arr    3736     # want to split this out into just an array of configs.
3760                                                  3737 
3761     my $valid = "A-Za-z_0-9";                    3738     my $valid = "A-Za-z_0-9";
3762                                                  3739 
3763     my @configs;                                 3740     my @configs;
3764                                                  3741 
3765     while ($dep =~ /[$valid]/) {                 3742     while ($dep =~ /[$valid]/) {
                                                   >> 3743 
3766         if ($dep =~ /^[^$valid]*([$valid]+)/)    3744         if ($dep =~ /^[^$valid]*([$valid]+)/) {
3767             my $conf = "CONFIG_" . $1;           3745             my $conf = "CONFIG_" . $1;
3768                                                  3746 
3769             $configs[$#configs + 1] = $conf;     3747             $configs[$#configs + 1] = $conf;
3770                                                  3748 
3771             $dep =~ s/^[^$valid]*[$valid]+//;    3749             $dep =~ s/^[^$valid]*[$valid]+//;
3772         } else {                                 3750         } else {
3773             dodie "this should never happen"; !! 3751             die "this should never happen";
3774         }                                        3752         }
3775     }                                            3753     }
3776                                                  3754 
3777     return @configs;                             3755     return @configs;
3778 }                                                3756 }
3779                                                  3757 
                                                   >> 3758 my %min_configs;
                                                   >> 3759 my %keep_configs;
                                                   >> 3760 my %save_configs;
                                                   >> 3761 my %processed_configs;
                                                   >> 3762 my %nochange_config;
                                                   >> 3763 
3780 sub test_this_config {                           3764 sub test_this_config {
3781     my ($config) = @_;                           3765     my ($config) = @_;
3782                                                  3766 
3783     my $found;                                   3767     my $found;
3784                                                  3768 
3785     # if we already processed this config, sk    3769     # if we already processed this config, skip it
3786     if (defined($processed_configs{$config}))    3770     if (defined($processed_configs{$config})) {
3787         return undef;                            3771         return undef;
3788     }                                            3772     }
3789     $processed_configs{$config} = 1;             3773     $processed_configs{$config} = 1;
3790                                                  3774 
3791     # if this config failed during this round    3775     # if this config failed during this round, skip it
3792     if (defined($nochange_config{$config})) {    3776     if (defined($nochange_config{$config})) {
3793         return undef;                            3777         return undef;
3794     }                                            3778     }
3795                                                  3779 
3796     my $kconfig = chomp_config $config;          3780     my $kconfig = chomp_config $config;
3797                                                  3781 
3798     # Test dependencies first                    3782     # Test dependencies first
3799     if (defined($depends{"$kconfig"})) {         3783     if (defined($depends{"$kconfig"})) {
3800         my @parents = get_depends $config;       3784         my @parents = get_depends $config;
3801         foreach my $parent (@parents) {          3785         foreach my $parent (@parents) {
3802             # if the parent is in the min con    3786             # if the parent is in the min config, check it first
3803             next if (!defined($min_configs{$p    3787             next if (!defined($min_configs{$parent}));
3804             $found = test_this_config($parent    3788             $found = test_this_config($parent);
3805             if (defined($found)) {               3789             if (defined($found)) {
3806                 return $found;                   3790                 return $found;
3807             }                                    3791             }
3808         }                                        3792         }
3809     }                                            3793     }
3810                                                  3794 
3811     # Remove this config from the list of con    3795     # Remove this config from the list of configs
3812     # do a make olddefconfig and then read th    3796     # do a make olddefconfig and then read the resulting
3813     # .config to make sure it is missing the     3797     # .config to make sure it is missing the config that
3814     # we had before                              3798     # we had before
3815     my %configs = %min_configs;                  3799     my %configs = %min_configs;
3816     $configs{$config} = "# $config is not set !! 3800     delete $configs{$config};
3817     make_new_config ((values %configs), (valu    3801     make_new_config ((values %configs), (values %keep_configs));
3818     make_oldconfig;                              3802     make_oldconfig;
3819     delete $configs{$config};                 << 
3820     undef %configs;                              3803     undef %configs;
3821     assign_configs \%configs, $output_config;    3804     assign_configs \%configs, $output_config;
3822                                                  3805 
3823     if (!defined($configs{$config}) || $confi    3806     if (!defined($configs{$config}) || $configs{$config} =~ /^#/) {
3824         return $config;                          3807         return $config;
3825     }                                            3808     }
3826                                                  3809 
3827     doprint "disabling config $config did not    3810     doprint "disabling config $config did not change .config\n";
3828                                                  3811 
3829     $nochange_config{$config} = 1;               3812     $nochange_config{$config} = 1;
3830                                                  3813 
3831     return undef;                                3814     return undef;
3832 }                                                3815 }
3833                                                  3816 
3834 sub make_min_config {                            3817 sub make_min_config {
3835     my ($i) = @_;                                3818     my ($i) = @_;
3836                                                  3819 
3837     my $type = $minconfig_type;                  3820     my $type = $minconfig_type;
3838     if ($type ne "boot" && $type ne "test") {    3821     if ($type ne "boot" && $type ne "test") {
3839         fail "Invalid MIN_CONFIG_TYPE '$minco    3822         fail "Invalid MIN_CONFIG_TYPE '$minconfig_type'\n" .
3840             " make_min_config works only with    3823             " make_min_config works only with 'boot' and 'test'\n" and return;
3841     }                                            3824     }
3842                                                  3825 
3843     if (!defined($output_minconfig)) {           3826     if (!defined($output_minconfig)) {
3844         fail "OUTPUT_MIN_CONFIG not defined"     3827         fail "OUTPUT_MIN_CONFIG not defined" and return;
3845     }                                            3828     }
3846                                                  3829 
3847     # If output_minconfig exists, and the sta    3830     # If output_minconfig exists, and the start_minconfig
3848     # came from min_config, than ask if we sh    3831     # came from min_config, than ask if we should use
3849     # that instead.                              3832     # that instead.
3850     if (-f $output_minconfig && !$start_minco    3833     if (-f $output_minconfig && !$start_minconfig_defined) {
3851         print "$output_minconfig exists\n";      3834         print "$output_minconfig exists\n";
3852         if (!defined($use_output_minconfig))     3835         if (!defined($use_output_minconfig)) {
3853             if (read_yn " Use it as minconfig    3836             if (read_yn " Use it as minconfig?") {
3854                 $start_minconfig = $output_mi    3837                 $start_minconfig = $output_minconfig;
3855             }                                    3838             }
3856         } elsif ($use_output_minconfig > 0) {    3839         } elsif ($use_output_minconfig > 0) {
3857             doprint "Using $output_minconfig     3840             doprint "Using $output_minconfig as MIN_CONFIG\n";
3858             $start_minconfig = $output_mincon    3841             $start_minconfig = $output_minconfig;
3859         } else {                                 3842         } else {
3860             doprint "Set to still use MIN_CON    3843             doprint "Set to still use MIN_CONFIG as starting point\n";
3861         }                                        3844         }
3862     }                                            3845     }
3863                                                  3846 
3864     if (!defined($start_minconfig)) {            3847     if (!defined($start_minconfig)) {
3865         fail "START_MIN_CONFIG or MIN_CONFIG     3848         fail "START_MIN_CONFIG or MIN_CONFIG not defined" and return;
3866     }                                            3849     }
3867                                                  3850 
3868     my $temp_config = "$tmpdir/temp_config";     3851     my $temp_config = "$tmpdir/temp_config";
3869                                                  3852 
3870     # First things first. We build an allnoco    3853     # First things first. We build an allnoconfig to find
3871     # out what the defaults are that we can't    3854     # out what the defaults are that we can't touch.
3872     # Some are selections, but we really can'    3855     # Some are selections, but we really can't handle selections.
3873                                                  3856 
3874     my $save_minconfig = $minconfig;             3857     my $save_minconfig = $minconfig;
3875     undef $minconfig;                            3858     undef $minconfig;
3876                                                  3859 
3877     run_command "$make allnoconfig" or return    3860     run_command "$make allnoconfig" or return 0;
3878                                                  3861 
3879     read_depends;                                3862     read_depends;
3880                                                  3863 
3881     process_config_ignore $output_config;        3864     process_config_ignore $output_config;
3882                                                  3865 
3883     undef %save_configs;                         3866     undef %save_configs;
3884     undef %min_configs;                          3867     undef %min_configs;
3885                                                  3868 
3886     if (defined($ignore_config)) {               3869     if (defined($ignore_config)) {
3887         # make sure the file exists              3870         # make sure the file exists
3888         `touch $ignore_config`;                  3871         `touch $ignore_config`;
3889         assign_configs \%save_configs, $ignor    3872         assign_configs \%save_configs, $ignore_config;
3890     }                                            3873     }
3891                                                  3874 
3892     %keep_configs = %save_configs;               3875     %keep_configs = %save_configs;
3893                                                  3876 
3894     doprint "Load initial configs from $start    3877     doprint "Load initial configs from $start_minconfig\n";
3895                                                  3878 
3896     # Look at the current min configs, and sa    3879     # Look at the current min configs, and save off all the
3897     # ones that were set via the allnoconfig     3880     # ones that were set via the allnoconfig
3898     assign_configs \%min_configs, $start_minc    3881     assign_configs \%min_configs, $start_minconfig;
3899                                                  3882 
3900     my @config_keys = keys %min_configs;         3883     my @config_keys = keys %min_configs;
3901                                                  3884 
3902     # All configs need a depcount                3885     # All configs need a depcount
3903     foreach my $config (@config_keys) {          3886     foreach my $config (@config_keys) {
3904         my $kconfig = chomp_config $config;      3887         my $kconfig = chomp_config $config;
3905         if (!defined $depcount{$kconfig}) {      3888         if (!defined $depcount{$kconfig}) {
3906             $depcount{$kconfig} = 0;          !! 3889                 $depcount{$kconfig} = 0;
3907         }                                        3890         }
3908     }                                            3891     }
3909                                                  3892 
3910     # Remove anything that was set by the mak    3893     # Remove anything that was set by the make allnoconfig
3911     # we shouldn't need them as they get set     3894     # we shouldn't need them as they get set for us anyway.
3912     foreach my $config (@config_keys) {          3895     foreach my $config (@config_keys) {
3913         # Remove anything in the ignore_confi    3896         # Remove anything in the ignore_config
3914         if (defined($keep_configs{$config}))     3897         if (defined($keep_configs{$config})) {
3915             my $file = $ignore_config;           3898             my $file = $ignore_config;
3916             $file =~ s,.*/(.*?)$,$1,;            3899             $file =~ s,.*/(.*?)$,$1,;
3917             doprint "$config set by $file ...    3900             doprint "$config set by $file ... ignored\n";
3918             delete $min_configs{$config};        3901             delete $min_configs{$config};
3919             next;                                3902             next;
3920         }                                        3903         }
3921         # But make sure the settings are the     3904         # But make sure the settings are the same. If a min config
3922         # sets a selection, we do not want to    3905         # sets a selection, we do not want to get rid of it if
3923         # it is not the same as what we have.    3906         # it is not the same as what we have. Just move it into
3924         # the keep configs.                      3907         # the keep configs.
3925         if (defined($config_ignore{$config}))    3908         if (defined($config_ignore{$config})) {
3926             if ($config_ignore{$config} ne $m    3909             if ($config_ignore{$config} ne $min_configs{$config}) {
3927                 doprint "$config is in allnoc    3910                 doprint "$config is in allnoconfig as '$config_ignore{$config}'";
3928                 doprint " but it is '$min_con    3911                 doprint " but it is '$min_configs{$config}' in minconfig .. keeping\n";
3929                 $keep_configs{$config} = $min    3912                 $keep_configs{$config} = $min_configs{$config};
3930             } else {                             3913             } else {
3931                 doprint "$config set by allno    3914                 doprint "$config set by allnoconfig ... ignored\n";
3932             }                                    3915             }
3933             delete $min_configs{$config};        3916             delete $min_configs{$config};
3934         }                                        3917         }
3935     }                                            3918     }
3936                                                  3919 
3937     my $done = 0;                                3920     my $done = 0;
3938     my $take_two = 0;                            3921     my $take_two = 0;
3939                                                  3922 
3940     while (!$done) {                             3923     while (!$done) {
                                                   >> 3924 
3941         my $config;                              3925         my $config;
3942         my $found;                               3926         my $found;
3943                                                  3927 
3944         # Now disable each config one by one     3928         # Now disable each config one by one and do a make oldconfig
3945         # till we find a config that changes     3929         # till we find a config that changes our list.
3946                                                  3930 
3947         my @test_configs = keys %min_configs;    3931         my @test_configs = keys %min_configs;
3948                                                  3932 
3949         # Sort keys by who is most dependent     3933         # Sort keys by who is most dependent on
3950         @test_configs = sort  { $depcount{cho    3934         @test_configs = sort  { $depcount{chomp_config($b)} <=> $depcount{chomp_config($a)} }
3951             @test_configs ;                   !! 3935                           @test_configs ;
3952                                                  3936 
3953         # Put configs that did not modify the    3937         # Put configs that did not modify the config at the end.
3954         my $reset = 1;                           3938         my $reset = 1;
3955         for (my $i = 0; $i < $#test_configs;     3939         for (my $i = 0; $i < $#test_configs; $i++) {
3956             if (!defined($nochange_config{$te    3940             if (!defined($nochange_config{$test_configs[0]})) {
3957                 $reset = 0;                      3941                 $reset = 0;
3958                 last;                            3942                 last;
3959             }                                    3943             }
3960             # This config didn't change the .    3944             # This config didn't change the .config last time.
3961             # Place it at the end                3945             # Place it at the end
3962             my $config = shift @test_configs;    3946             my $config = shift @test_configs;
3963             push @test_configs, $config;         3947             push @test_configs, $config;
3964         }                                        3948         }
3965                                                  3949 
3966         # if every test config has failed to     3950         # if every test config has failed to modify the .config file
3967         # in the past, then reset and start o    3951         # in the past, then reset and start over.
3968         if ($reset) {                            3952         if ($reset) {
3969             undef %nochange_config;              3953             undef %nochange_config;
3970         }                                        3954         }
3971                                                  3955 
3972         undef %processed_configs;                3956         undef %processed_configs;
3973                                                  3957 
3974         foreach my $config (@test_configs) {     3958         foreach my $config (@test_configs) {
3975                                                  3959 
3976             $found = test_this_config $config    3960             $found = test_this_config $config;
3977                                                  3961 
3978             last if (defined($found));           3962             last if (defined($found));
3979                                                  3963 
3980             # oh well, try another config        3964             # oh well, try another config
3981         }                                        3965         }
3982                                                  3966 
3983         if (!defined($found)) {                  3967         if (!defined($found)) {
3984             # we could have failed due to the    3968             # we could have failed due to the nochange_config hash
3985             # reset and try again                3969             # reset and try again
3986             if (!$take_two) {                    3970             if (!$take_two) {
3987                 undef %nochange_config;          3971                 undef %nochange_config;
3988                 $take_two = 1;                   3972                 $take_two = 1;
3989                 next;                            3973                 next;
3990             }                                    3974             }
3991             doprint "No more configs found th    3975             doprint "No more configs found that we can disable\n";
3992             $done = 1;                           3976             $done = 1;
3993             last;                                3977             last;
3994         }                                        3978         }
3995         $take_two = 0;                           3979         $take_two = 0;
3996                                                  3980 
3997         $config = $found;                        3981         $config = $found;
3998                                                  3982 
3999         doprint "Test with $config disabled\n    3983         doprint "Test with $config disabled\n";
4000                                                  3984 
4001         # set in_bisect to keep build and mon    3985         # set in_bisect to keep build and monitor from dieing
4002         $in_bisect = 1;                          3986         $in_bisect = 1;
4003                                                  3987 
4004         my $failed = 0;                          3988         my $failed = 0;
4005         build "oldconfig" or $failed = 1;        3989         build "oldconfig" or $failed = 1;
4006         if (!$failed) {                          3990         if (!$failed) {
4007             start_monitor_and_install or $fai !! 3991                 start_monitor_and_install or $failed = 1;
4008                                                  3992 
4009             if ($type eq "test" && !$failed)  !! 3993                 if ($type eq "test" && !$failed) {
4010                 do_run_test or $failed = 1;   !! 3994                     do_run_test or $failed = 1;
4011             }                                 !! 3995                 }
4012                                                  3996 
4013             end_monitor;                      !! 3997                 end_monitor;
4014         }                                        3998         }
4015                                                  3999 
4016         $in_bisect = 0;                          4000         $in_bisect = 0;
4017                                                  4001 
4018         if ($failed) {                           4002         if ($failed) {
4019             doprint "$min_configs{$config} is    4003             doprint "$min_configs{$config} is needed to boot the box... keeping\n";
4020             # this config is needed, add it t    4004             # this config is needed, add it to the ignore list.
4021             $keep_configs{$config} = $min_con    4005             $keep_configs{$config} = $min_configs{$config};
4022             $save_configs{$config} = $min_con    4006             $save_configs{$config} = $min_configs{$config};
4023             delete $min_configs{$config};        4007             delete $min_configs{$config};
4024                                                  4008 
4025             # update new ignore configs          4009             # update new ignore configs
4026             if (defined($ignore_config)) {       4010             if (defined($ignore_config)) {
4027                 open (OUT, ">$temp_config") o !! 4011                 open (OUT, ">$temp_config")
4028                     dodie "Can't write to $te !! 4012                     or die "Can't write to $temp_config";
4029                 foreach my $config (keys %sav    4013                 foreach my $config (keys %save_configs) {
4030                     print OUT "$save_configs{    4014                     print OUT "$save_configs{$config}\n";
4031                 }                                4015                 }
4032                 close OUT;                       4016                 close OUT;
4033                 run_command "mv $temp_config     4017                 run_command "mv $temp_config $ignore_config" or
4034                     dodie "failed to copy upd    4018                     dodie "failed to copy update to $ignore_config";
4035             }                                    4019             }
4036                                                  4020 
4037         } else {                                 4021         } else {
4038             # We booted without this config,     4022             # We booted without this config, remove it from the minconfigs.
4039             doprint "$config is not needed, d    4023             doprint "$config is not needed, disabling\n";
4040                                                  4024 
4041             delete $min_configs{$config};        4025             delete $min_configs{$config};
4042                                                  4026 
4043             # Also disable anything that is n    4027             # Also disable anything that is not enabled in this config
4044             my %configs;                         4028             my %configs;
4045             assign_configs \%configs, $output    4029             assign_configs \%configs, $output_config;
4046             my @config_keys = keys %min_confi    4030             my @config_keys = keys %min_configs;
4047             foreach my $config (@config_keys)    4031             foreach my $config (@config_keys) {
4048                 if (!defined($configs{$config    4032                 if (!defined($configs{$config})) {
4049                     doprint "$config is not s    4033                     doprint "$config is not set, disabling\n";
4050                     delete $min_configs{$conf    4034                     delete $min_configs{$config};
4051                 }                                4035                 }
4052             }                                    4036             }
4053                                                  4037 
4054             # Save off all the current mandat    4038             # Save off all the current mandatory configs
4055             open (OUT, ">$temp_config") or    !! 4039             open (OUT, ">$temp_config")
4056                 dodie "Can't write to $temp_c !! 4040                 or die "Can't write to $temp_config";
4057             foreach my $config (keys %keep_co    4041             foreach my $config (keys %keep_configs) {
4058                 print OUT "$keep_configs{$con    4042                 print OUT "$keep_configs{$config}\n";
4059             }                                    4043             }
4060             foreach my $config (keys %min_con    4044             foreach my $config (keys %min_configs) {
4061                 print OUT "$min_configs{$conf    4045                 print OUT "$min_configs{$config}\n";
4062             }                                    4046             }
4063             close OUT;                           4047             close OUT;
4064                                                  4048 
4065             run_command "mv $temp_config $out    4049             run_command "mv $temp_config $output_minconfig" or
4066                 dodie "failed to copy update     4050                 dodie "failed to copy update to $output_minconfig";
4067         }                                        4051         }
4068                                                  4052 
4069         doprint "Reboot and wait $sleep_time     4053         doprint "Reboot and wait $sleep_time seconds\n";
4070         reboot_to_good $sleep_time;              4054         reboot_to_good $sleep_time;
4071     }                                            4055     }
4072                                                  4056 
4073     success $i;                                  4057     success $i;
4074     return 1;                                    4058     return 1;
4075 }                                                4059 }
4076                                                  4060 
4077 sub make_warnings_file {                         4061 sub make_warnings_file {
4078     my ($i) = @_;                                4062     my ($i) = @_;
4079                                                  4063 
4080     if (!defined($warnings_file)) {              4064     if (!defined($warnings_file)) {
4081         dodie "Must define WARNINGS_FILE for     4065         dodie "Must define WARNINGS_FILE for make_warnings_file test";
4082     }                                            4066     }
4083                                                  4067 
4084     if ($build_type eq "nobuild") {              4068     if ($build_type eq "nobuild") {
4085         dodie "BUILD_TYPE can not be 'nobuild    4069         dodie "BUILD_TYPE can not be 'nobuild' for make_warnings_file test";
4086     }                                            4070     }
4087                                                  4071 
4088     build $build_type or dodie "Failed to bui    4072     build $build_type or dodie "Failed to build";
4089                                                  4073 
4090     open(OUT, ">$warnings_file") or dodie "Ca    4074     open(OUT, ">$warnings_file") or dodie "Can't create $warnings_file";
4091                                                  4075 
4092     open(IN, $buildlog) or dodie "Can't open     4076     open(IN, $buildlog) or dodie "Can't open $buildlog";
4093     while (<IN>) {                               4077     while (<IN>) {
                                                   >> 4078 
4094         # Some compilers use UTF-8 extended f    4079         # Some compilers use UTF-8 extended for quotes
4095         # for distcc heterogeneous systems, t    4080         # for distcc heterogeneous systems, this causes issues
4096         s/$utf8_quote/'/g;                       4081         s/$utf8_quote/'/g;
4097                                                  4082 
4098         if (/$check_build_re/) {                 4083         if (/$check_build_re/) {
4099             print OUT;                           4084             print OUT;
4100         }                                        4085         }
4101     }                                            4086     }
4102     close(IN);                                   4087     close(IN);
4103                                                  4088 
4104     close(OUT);                                  4089     close(OUT);
4105                                                  4090 
4106     success $i;                                  4091     success $i;
4107 }                                                4092 }
4108                                                  4093 
4109 sub option_defined {                          << 
4110     my ($option) = @_;                        << 
4111                                               << 
4112     if (defined($opt{$option}) && $opt{$optio << 
4113         return 1;                             << 
4114     }                                         << 
4115                                               << 
4116     return 0;                                 << 
4117 }                                             << 
4118                                               << 
4119 sub __set_test_option {                       << 
4120     my ($name, $i) = @_;                      << 
4121                                               << 
4122     my $option = "$name\[$i\]";               << 
4123                                               << 
4124     if (option_defined($option)) {            << 
4125         return $opt{$option};                 << 
4126     }                                         << 
4127                                               << 
4128     foreach my $test (keys %repeat_tests) {   << 
4129         if ($i >= $test &&                    << 
4130             $i < $test + $repeat_tests{$test} << 
4131             $option = "$name\[$test\]";       << 
4132             if (option_defined($option)) {    << 
4133                 return $opt{$option};         << 
4134             }                                 << 
4135         }                                     << 
4136     }                                         << 
4137                                               << 
4138     if (option_defined($name)) {              << 
4139         return $opt{$name};                   << 
4140     }                                         << 
4141                                               << 
4142     return undef;                             << 
4143 }                                             << 
4144                                               << 
4145 sub set_test_option {                         << 
4146     my ($name, $i) = @_;                      << 
4147                                               << 
4148     my $option = __set_test_option($name, $i) << 
4149     return $option if (!defined($option));    << 
4150                                               << 
4151     return eval_option($name, $option, $i);   << 
4152 }                                             << 
4153                                               << 
4154 sub find_mailer {                             << 
4155     my ($mailer) = @_;                        << 
4156                                               << 
4157     my @paths = split /:/, $ENV{PATH};        << 
4158                                               << 
4159     # sendmail is usually in /usr/sbin        << 
4160     $paths[$#paths + 1] = "/usr/sbin";        << 
4161                                               << 
4162     foreach my $path (@paths) {               << 
4163         if (-x "$path/$mailer") {             << 
4164             return $path;                     << 
4165         }                                     << 
4166     }                                         << 
4167                                               << 
4168     return undef;                             << 
4169 }                                             << 
4170                                               << 
4171 sub do_send_mail {                            << 
4172     my ($subject, $message, $file) = @_;      << 
4173                                               << 
4174     if (!defined($mail_path)) {               << 
4175         # find the mailer                     << 
4176         $mail_path = find_mailer $mailer;     << 
4177         if (!defined($mail_path)) {           << 
4178             die "\nCan not find $mailer in PA << 
4179         }                                     << 
4180     }                                         << 
4181                                               << 
4182     my $header_file = "$tmpdir/header";       << 
4183     open (HEAD, ">$header_file") or die "Can  << 
4184     print HEAD "To: $mailto\n";               << 
4185     print HEAD "Subject: $subject\n\n";       << 
4186     print HEAD "$message\n";                  << 
4187     close HEAD;                               << 
4188                                               << 
4189     if (!defined($mail_command)) {            << 
4190         if ($mailer eq "mail" || $mailer eq " << 
4191             $mail_command = "cat \$HEADER_FIL << 
4192         } elsif ($mailer eq "sendmail" ) {    << 
4193             $mail_command =  "cat \$HEADER_FI << 
4194         } else {                              << 
4195             die "\nYour mailer: $mailer is no << 
4196         }                                     << 
4197     }                                         << 
4198                                               << 
4199     if (defined($file)) {                     << 
4200         $mail_command =~ s/\$BODY_FILE/$file/ << 
4201     } else {                                  << 
4202         $mail_command =~ s/\$BODY_FILE//g;    << 
4203     }                                         << 
4204                                               << 
4205     $mail_command =~ s/\$HEADER_FILE/$header_ << 
4206     $mail_command =~ s/\$MAILER/$mailer/g;    << 
4207     $mail_command =~ s/\$MAIL_PATH/$mail_path << 
4208     $mail_command =~ s/\$MAILTO/$mailto/g;    << 
4209     $mail_command =~ s/\$SUBJECT/$subject/g;  << 
4210     $mail_command =~ s/\$MESSAGE/$message/g;  << 
4211                                               << 
4212     my $ret = run_command $mail_command;      << 
4213     if (!$ret && defined($file)) {            << 
4214         # try again without the file          << 
4215         $message .= "\n\n*** FAILED TO SEND L << 
4216         do_send_email($subject, $message);    << 
4217     }                                         << 
4218 }                                             << 
4219                                               << 
4220 sub send_email {                              << 
4221     if (defined($mailto)) {                   << 
4222         if (!defined($mailer)) {              << 
4223             doprint "No email sent: email or  << 
4224             return;                           << 
4225         }                                     << 
4226         do_send_mail @_;                      << 
4227     }                                         << 
4228 }                                             << 
4229                                               << 
4230 sub cancel_test {                             << 
4231     if ($monitor_cnt) {                       << 
4232         end_monitor;                          << 
4233     }                                         << 
4234     if ($email_when_canceled) {               << 
4235         my $name = get_test_name;             << 
4236         send_email("KTEST: Your [$name] test  << 
4237             "Your test started at $script_sta << 
4238     }                                         << 
4239     die "\nCaught Sig Int, test interrupted:  << 
4240 }                                             << 
4241                                               << 
4242 $#ARGV < 1 or die "ktest.pl version: $VERSION    4094 $#ARGV < 1 or die "ktest.pl version: $VERSION\n   usage: ktest.pl [config-file]\n";
4243                                                  4095 
4244 if ($#ARGV == 0) {                               4096 if ($#ARGV == 0) {
4245     $ktest_config = $ARGV[0];                    4097     $ktest_config = $ARGV[0];
4246     if (! -f $ktest_config) {                    4098     if (! -f $ktest_config) {
4247         print "$ktest_config does not exist.\    4099         print "$ktest_config does not exist.\n";
4248         if (!read_yn "Create it?") {             4100         if (!read_yn "Create it?") {
4249             exit 0;                              4101             exit 0;
4250         }                                        4102         }
4251     }                                            4103     }
4252 }                                                4104 }
4253                                                  4105 
4254 if (! -f $ktest_config) {                        4106 if (! -f $ktest_config) {
4255     $newconfig = 1;                              4107     $newconfig = 1;
4256     get_test_case;                               4108     get_test_case;
4257     open(OUT, ">$ktest_config") or die "Can n    4109     open(OUT, ">$ktest_config") or die "Can not create $ktest_config";
4258     print OUT << "EOF"                           4110     print OUT << "EOF"
4259 # Generated by ktest.pl                          4111 # Generated by ktest.pl
4260 #                                                4112 #
4261                                                  4113 
4262 # PWD is a ktest.pl variable that will result    4114 # PWD is a ktest.pl variable that will result in the process working
4263 # directory that ktest.pl is executed in.        4115 # directory that ktest.pl is executed in.
4264                                                  4116 
4265 # THIS_DIR is automatically assigned the PWD     4117 # THIS_DIR is automatically assigned the PWD of the path that generated
4266 # the config file. It is best to use this var    4118 # the config file. It is best to use this variable when assigning other
4267 # directory paths within this directory. This    4119 # directory paths within this directory. This allows you to easily
4268 # move the test cases to other locations or t    4120 # move the test cases to other locations or to other machines.
4269 #                                                4121 #
4270 THIS_DIR := $variable{"PWD"}                     4122 THIS_DIR := $variable{"PWD"}
4271                                                  4123 
4272 # Define each test with TEST_START               4124 # Define each test with TEST_START
4273 # The config options below it will override t    4125 # The config options below it will override the defaults
4274 TEST_START                                       4126 TEST_START
4275 TEST_TYPE = $default{"TEST_TYPE"}                4127 TEST_TYPE = $default{"TEST_TYPE"}
4276                                                  4128 
4277 DEFAULTS                                         4129 DEFAULTS
4278 EOF                                              4130 EOF
4279 ;                                                4131 ;
4280     close(OUT);                                  4132     close(OUT);
4281 }                                                4133 }
4282 read_config $ktest_config;                       4134 read_config $ktest_config;
4283                                                  4135 
4284 if (defined($opt{"LOG_FILE"})) {                 4136 if (defined($opt{"LOG_FILE"})) {
4285     $opt{"LOG_FILE"} = eval_option("LOG_FILE"    4137     $opt{"LOG_FILE"} = eval_option("LOG_FILE", $opt{"LOG_FILE"}, -1);
4286 }                                                4138 }
4287                                                  4139 
4288 # Append any configs entered in manually to t    4140 # Append any configs entered in manually to the config file.
4289 my @new_configs = keys %entered_configs;         4141 my @new_configs = keys %entered_configs;
4290 if ($#new_configs >= 0) {                        4142 if ($#new_configs >= 0) {
4291     print "\nAppending entered in configs to     4143     print "\nAppending entered in configs to $ktest_config\n";
4292     open(OUT, ">>$ktest_config") or die "Can     4144     open(OUT, ">>$ktest_config") or die "Can not append to $ktest_config";
4293     foreach my $config (@new_configs) {          4145     foreach my $config (@new_configs) {
4294         print OUT "$config = $entered_configs    4146         print OUT "$config = $entered_configs{$config}\n";
4295         $opt{$config} = process_variables($en    4147         $opt{$config} = process_variables($entered_configs{$config});
4296     }                                            4148     }
4297 }                                                4149 }
4298                                                  4150 
4299 if (defined($opt{"LOG_FILE"})) {              !! 4151 if ($opt{"CLEAR_LOG"} && defined($opt{"LOG_FILE"})) {
4300     if ($opt{"CLEAR_LOG"}) {                  !! 4152     unlink $opt{"LOG_FILE"};
4301         unlink $opt{"LOG_FILE"};              << 
4302     }                                         << 
4303     open(LOG, ">> $opt{LOG_FILE}") or die "Ca << 
4304     LOG->autoflush(1);                        << 
4305 }                                                4153 }
4306                                                  4154 
4307 doprint "\n\nSTARTING AUTOMATED TESTS\n\n";      4155 doprint "\n\nSTARTING AUTOMATED TESTS\n\n";
4308                                                  4156 
4309 for (my $i = 0, my $repeat = 1; $i <= $opt{"N    4157 for (my $i = 0, my $repeat = 1; $i <= $opt{"NUM_TESTS"}; $i += $repeat) {
4310                                                  4158 
4311     if (!$i) {                                   4159     if (!$i) {
4312         doprint "DEFAULT OPTIONS:\n";            4160         doprint "DEFAULT OPTIONS:\n";
4313     } else {                                     4161     } else {
4314         doprint "\nTEST $i OPTIONS";             4162         doprint "\nTEST $i OPTIONS";
4315         if (defined($repeat_tests{$i})) {        4163         if (defined($repeat_tests{$i})) {
4316             $repeat = $repeat_tests{$i};         4164             $repeat = $repeat_tests{$i};
4317             doprint " ITERATE $repeat";          4165             doprint " ITERATE $repeat";
4318         }                                        4166         }
4319         doprint "\n";                            4167         doprint "\n";
4320     }                                            4168     }
4321                                                  4169 
4322     foreach my $option (sort keys %opt) {        4170     foreach my $option (sort keys %opt) {
                                                   >> 4171 
4323         if ($option =~ /\[(\d+)\]$/) {           4172         if ($option =~ /\[(\d+)\]$/) {
4324             next if ($i != $1);                  4173             next if ($i != $1);
4325         } else {                                 4174         } else {
4326             next if ($i);                        4175             next if ($i);
4327         }                                        4176         }
4328                                                  4177 
4329         doprint "$option = $opt{$option}\n";     4178         doprint "$option = $opt{$option}\n";
4330     }                                            4179     }
4331 }                                                4180 }
4332                                                  4181 
4333 $SIG{INT} = qw(cancel_test);                  !! 4182 sub option_defined {
                                                   >> 4183     my ($option) = @_;
                                                   >> 4184 
                                                   >> 4185     if (defined($opt{$option}) && $opt{$option} !~ /^\s*$/) {
                                                   >> 4186         return 1;
                                                   >> 4187     }
                                                   >> 4188 
                                                   >> 4189     return 0;
                                                   >> 4190 }
                                                   >> 4191 
                                                   >> 4192 sub __set_test_option {
                                                   >> 4193     my ($name, $i) = @_;
                                                   >> 4194 
                                                   >> 4195     my $option = "$name\[$i\]";
                                                   >> 4196 
                                                   >> 4197     if (option_defined($option)) {
                                                   >> 4198         return $opt{$option};
                                                   >> 4199     }
                                                   >> 4200 
                                                   >> 4201     foreach my $test (keys %repeat_tests) {
                                                   >> 4202         if ($i >= $test &&
                                                   >> 4203             $i < $test + $repeat_tests{$test}) {
                                                   >> 4204             $option = "$name\[$test\]";
                                                   >> 4205             if (option_defined($option)) {
                                                   >> 4206                 return $opt{$option};
                                                   >> 4207             }
                                                   >> 4208         }
                                                   >> 4209     }
                                                   >> 4210 
                                                   >> 4211     if (option_defined($name)) {
                                                   >> 4212         return $opt{$name};
                                                   >> 4213     }
                                                   >> 4214 
                                                   >> 4215     return undef;
                                                   >> 4216 }
                                                   >> 4217 
                                                   >> 4218 sub set_test_option {
                                                   >> 4219     my ($name, $i) = @_;
                                                   >> 4220 
                                                   >> 4221     my $option = __set_test_option($name, $i);
                                                   >> 4222     return $option if (!defined($option));
                                                   >> 4223 
                                                   >> 4224     return eval_option($name, $option, $i);
                                                   >> 4225 }
4334                                                  4226 
4335 # First we need to do is the builds              4227 # First we need to do is the builds
4336 for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++    4228 for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
4337                                                  4229 
4338     # Do not reboot on failing test options      4230     # Do not reboot on failing test options
4339     $no_reboot = 1;                              4231     $no_reboot = 1;
4340     $reboot_success = 0;                         4232     $reboot_success = 0;
4341                                                  4233 
4342     $have_version = 0;                           4234     $have_version = 0;
4343                                                  4235 
4344     $iteration = $i;                             4236     $iteration = $i;
4345                                                  4237 
4346     $build_time = 0;                             4238     $build_time = 0;
4347     $install_time = 0;                           4239     $install_time = 0;
4348     $reboot_time = 0;                            4240     $reboot_time = 0;
4349     $test_time = 0;                              4241     $test_time = 0;
4350                                                  4242 
4351     undef %force_config;                         4243     undef %force_config;
4352                                                  4244 
4353     my $makecmd = set_test_option("MAKE_CMD",    4245     my $makecmd = set_test_option("MAKE_CMD", $i);
4354                                                  4246 
4355     $outputdir = set_test_option("OUTPUT_DIR"    4247     $outputdir = set_test_option("OUTPUT_DIR", $i);
4356     $builddir = set_test_option("BUILD_DIR",     4248     $builddir = set_test_option("BUILD_DIR", $i);
4357                                                  4249 
4358     chdir $builddir || dodie "can't change di !! 4250     chdir $builddir || die "can't change directory to $builddir";
4359                                                  4251 
4360     if (!-d $outputdir) {                        4252     if (!-d $outputdir) {
4361         mkpath($outputdir) or                    4253         mkpath($outputdir) or
4362             dodie "can't create $outputdir";  !! 4254             die "can't create $outputdir";
4363     }                                            4255     }
4364                                                  4256 
4365     $make = "$makecmd O=$outputdir";             4257     $make = "$makecmd O=$outputdir";
4366                                                  4258 
4367     # Load all the options into their mapped     4259     # Load all the options into their mapped variable names
4368     foreach my $opt (keys %option_map) {         4260     foreach my $opt (keys %option_map) {
4369         ${$option_map{$opt}} = set_test_optio    4261         ${$option_map{$opt}} = set_test_option($opt, $i);
4370     }                                            4262     }
4371                                                  4263 
4372     $start_minconfig_defined = 1;                4264     $start_minconfig_defined = 1;
4373                                                  4265 
4374     # The first test may override the PRE_KTE    4266     # The first test may override the PRE_KTEST option
4375     if ($i == 1) {                            !! 4267     if (defined($pre_ktest) && $i == 1) {
4376         if (defined($pre_ktest)) {            !! 4268         doprint "\n";
4377             doprint "\n";                     !! 4269         run_command $pre_ktest;
4378             run_command $pre_ktest;           << 
4379         }                                     << 
4380         if ($email_when_started) {            << 
4381             my $name = get_test_name;         << 
4382             send_email("KTEST: Your [$name] t << 
4383                 "Your test was started on $sc << 
4384         }                                     << 
4385     }                                            4270     }
4386                                                  4271 
4387     # Any test can override the POST_KTEST op    4272     # Any test can override the POST_KTEST option
4388     # The last test takes precedence.            4273     # The last test takes precedence.
4389     if (defined($post_ktest)) {                  4274     if (defined($post_ktest)) {
4390         $final_post_ktest = $post_ktest;         4275         $final_post_ktest = $post_ktest;
4391     }                                            4276     }
4392                                                  4277 
4393     if (!defined($start_minconfig)) {            4278     if (!defined($start_minconfig)) {
4394         $start_minconfig_defined = 0;            4279         $start_minconfig_defined = 0;
4395         $start_minconfig = $minconfig;           4280         $start_minconfig = $minconfig;
4396     }                                            4281     }
4397                                                  4282 
4398     if (!-d $tmpdir) {                           4283     if (!-d $tmpdir) {
4399         mkpath($tmpdir) or                       4284         mkpath($tmpdir) or
4400             dodie "can't create $tmpdir";     !! 4285             die "can't create $tmpdir";
4401     }                                            4286     }
4402                                                  4287 
4403     $ENV{"SSH_USER"} = $ssh_user;                4288     $ENV{"SSH_USER"} = $ssh_user;
4404     $ENV{"MACHINE"} = $machine;                  4289     $ENV{"MACHINE"} = $machine;
4405                                                  4290 
4406     $buildlog = "$tmpdir/buildlog-$machine";     4291     $buildlog = "$tmpdir/buildlog-$machine";
4407     $testlog = "$tmpdir/testlog-$machine";       4292     $testlog = "$tmpdir/testlog-$machine";
4408     $dmesg = "$tmpdir/dmesg-$machine";           4293     $dmesg = "$tmpdir/dmesg-$machine";
4409     $output_config = "$outputdir/.config";       4294     $output_config = "$outputdir/.config";
4410                                                  4295 
4411     if (!$buildonly) {                           4296     if (!$buildonly) {
4412         $target = "$ssh_user\@$machine";         4297         $target = "$ssh_user\@$machine";
4413         if (($reboot_type eq "grub") or ($reb !! 4298         if ($reboot_type eq "grub") {
4414             dodie "GRUB_MENU not defined" if     4299             dodie "GRUB_MENU not defined" if (!defined($grub_menu));
4415         } elsif ($reboot_type eq "grub2") {      4300         } elsif ($reboot_type eq "grub2") {
4416             dodie "GRUB_MENU not defined" if     4301             dodie "GRUB_MENU not defined" if (!defined($grub_menu));
4417             dodie "GRUB_FILE not defined" if     4302             dodie "GRUB_FILE not defined" if (!defined($grub_file));
4418         } elsif ($reboot_type eq "syslinux")     4303         } elsif ($reboot_type eq "syslinux") {
4419             dodie "SYSLINUX_LABEL not defined    4304             dodie "SYSLINUX_LABEL not defined" if (!defined($syslinux_label));
4420         }                                        4305         }
4421     }                                            4306     }
4422                                                  4307 
4423     my $run_type = $build_type;                  4308     my $run_type = $build_type;
4424     if ($test_type eq "patchcheck") {            4309     if ($test_type eq "patchcheck") {
4425         $run_type = $patchcheck_type;            4310         $run_type = $patchcheck_type;
4426     } elsif ($test_type eq "bisect") {           4311     } elsif ($test_type eq "bisect") {
4427         $run_type = $bisect_type;                4312         $run_type = $bisect_type;
4428     } elsif ($test_type eq "config_bisect") {    4313     } elsif ($test_type eq "config_bisect") {
4429         $run_type = $config_bisect_type;         4314         $run_type = $config_bisect_type;
4430     } elsif ($test_type eq "make_min_config")    4315     } elsif ($test_type eq "make_min_config") {
4431         $run_type = "";                          4316         $run_type = "";
4432     } elsif ($test_type eq "make_warnings_fil    4317     } elsif ($test_type eq "make_warnings_file") {
4433         $run_type = "";                          4318         $run_type = "";
4434     }                                            4319     }
4435                                                  4320 
4436     # mistake in config file?                    4321     # mistake in config file?
4437     if (!defined($run_type)) {                   4322     if (!defined($run_type)) {
4438         $run_type = "ERROR";                     4323         $run_type = "ERROR";
4439     }                                            4324     }
4440                                                  4325 
4441     my $installme = "";                          4326     my $installme = "";
4442     $installme = " no_install" if ($no_instal    4327     $installme = " no_install" if ($no_install);
4443                                                  4328 
4444     my $name = "";                               4329     my $name = "";
4445                                                  4330 
4446     if (defined($test_name)) {                   4331     if (defined($test_name)) {
4447         $name = " ($test_name)";                 4332         $name = " ($test_name)";
4448     }                                            4333     }
4449                                                  4334 
4450     doprint "\n\n";                              4335     doprint "\n\n";
4451                                               << 
4452     if (defined($opt{"LOG_FILE"})) {          << 
4453         $test_log_start = tell(LOG);          << 
4454     }                                         << 
4455                                               << 
4456     doprint "RUNNING TEST $i of $opt{NUM_TEST    4336     doprint "RUNNING TEST $i of $opt{NUM_TESTS}$name with option $test_type $run_type$installme\n\n";
4457                                                  4337 
4458     if (defined($pre_test)) {                    4338     if (defined($pre_test)) {
4459         my $ret = run_command $pre_test;      !! 4339         run_command $pre_test;
4460         if (!$ret && defined($pre_test_die) & << 
4461             $pre_test_die) {                  << 
4462                 dodie "failed to pre_test\n"; << 
4463         }                                     << 
4464     }                                            4340     }
4465                                                  4341 
4466     unlink $dmesg;                               4342     unlink $dmesg;
4467     unlink $buildlog;                            4343     unlink $buildlog;
4468     unlink $testlog;                             4344     unlink $testlog;
4469                                                  4345 
4470     if (defined($addconfig)) {                   4346     if (defined($addconfig)) {
4471         my $min = $minconfig;                    4347         my $min = $minconfig;
4472         if (!defined($minconfig)) {              4348         if (!defined($minconfig)) {
4473             $min = "";                           4349             $min = "";
4474         }                                        4350         }
4475         run_command "cat $addconfig $min > $t    4351         run_command "cat $addconfig $min > $tmpdir/add_config" or
4476             dodie "Failed to create temp conf    4352             dodie "Failed to create temp config";
4477         $minconfig = "$tmpdir/add_config";       4353         $minconfig = "$tmpdir/add_config";
4478     }                                            4354     }
4479                                                  4355 
4480     if (defined($checkout)) {                    4356     if (defined($checkout)) {
4481         run_command "git checkout $checkout"     4357         run_command "git checkout $checkout" or
4482             dodie "failed to checkout $checko !! 4358             die "failed to checkout $checkout";
4483     }                                            4359     }
4484                                                  4360 
4485     $no_reboot = 0;                              4361     $no_reboot = 0;
4486                                                  4362 
4487     # A test may opt to not reboot the box       4363     # A test may opt to not reboot the box
4488     if ($reboot_on_success) {                    4364     if ($reboot_on_success) {
4489         $reboot_success = 1;                     4365         $reboot_success = 1;
4490     }                                            4366     }
4491                                                  4367 
4492     if ($test_type eq "bisect") {                4368     if ($test_type eq "bisect") {
4493         bisect $i;                               4369         bisect $i;
4494         next;                                    4370         next;
4495     } elsif ($test_type eq "config_bisect") {    4371     } elsif ($test_type eq "config_bisect") {
4496         config_bisect $i;                        4372         config_bisect $i;
4497         next;                                    4373         next;
4498     } elsif ($test_type eq "patchcheck") {       4374     } elsif ($test_type eq "patchcheck") {
4499         patchcheck $i;                           4375         patchcheck $i;
4500         next;                                    4376         next;
4501     } elsif ($test_type eq "make_min_config")    4377     } elsif ($test_type eq "make_min_config") {
4502         make_min_config $i;                      4378         make_min_config $i;
4503         next;                                    4379         next;
4504     } elsif ($test_type eq "make_warnings_fil    4380     } elsif ($test_type eq "make_warnings_file") {
4505         $no_reboot = 1;                          4381         $no_reboot = 1;
4506         make_warnings_file $i;                   4382         make_warnings_file $i;
4507         next;                                    4383         next;
4508     }                                            4384     }
4509                                                  4385 
4510     if ($build_type ne "nobuild") {              4386     if ($build_type ne "nobuild") {
4511         build $build_type or next;               4387         build $build_type or next;
4512         check_buildlog or next;                  4388         check_buildlog or next;
4513     }                                            4389     }
4514                                                  4390 
4515     if ($test_type eq "install") {               4391     if ($test_type eq "install") {
4516         get_version;                             4392         get_version;
4517         install;                                 4393         install;
4518         success $i;                              4394         success $i;
4519         next;                                    4395         next;
4520     }                                            4396     }
4521                                                  4397 
4522     if ($test_type ne "build") {                 4398     if ($test_type ne "build") {
4523         my $failed = 0;                          4399         my $failed = 0;
4524         start_monitor_and_install or $failed     4400         start_monitor_and_install or $failed = 1;
4525                                                  4401 
4526         if (!$failed && $test_type ne "boot"     4402         if (!$failed && $test_type ne "boot" && defined($run_test)) {
4527             do_run_test or $failed = 1;          4403             do_run_test or $failed = 1;
4528         }                                        4404         }
4529         end_monitor;                             4405         end_monitor;
4530         if ($failed) {                           4406         if ($failed) {
4531             print_times;                         4407             print_times;
4532             next;                                4408             next;
4533         }                                        4409         }
4534     }                                            4410     }
4535                                                  4411 
4536     print_times;                                 4412     print_times;
4537                                                  4413 
4538     success $i;                                  4414     success $i;
4539 }                                                4415 }
4540                                                  4416 
4541 if (defined($final_post_ktest)) {                4417 if (defined($final_post_ktest)) {
4542                                               !! 4418     run_command $final_post_ktest;
4543     my $cp_final_post_ktest = eval_kernel_ver << 
4544     run_command $cp_final_post_ktest;         << 
4545 }                                                4419 }
4546                                                  4420 
4547 if ($opt{"POWEROFF_ON_SUCCESS"}) {               4421 if ($opt{"POWEROFF_ON_SUCCESS"}) {
4548     halt;                                        4422     halt;
4549 } elsif ($opt{"REBOOT_ON_SUCCESS"} && !do_not    4423 } elsif ($opt{"REBOOT_ON_SUCCESS"} && !do_not_reboot && $reboot_success) {
4550     reboot_to_good;                              4424     reboot_to_good;
4551 } elsif (defined($switch_to_good)) {             4425 } elsif (defined($switch_to_good)) {
4552     # still need to get to the good kernel       4426     # still need to get to the good kernel
4553     run_command $switch_to_good;                 4427     run_command $switch_to_good;
4554 }                                                4428 }
4555                                                  4429 
4556 doprint "\n    $successes of $opt{NUM_TESTS}  << 
4557                                               << 
4558 if ($email_when_finished) {                   << 
4559     send_email("KTEST: Your test has finished << 
4560         "$successes of $opt{NUM_TESTS} tests  << 
4561 }                                             << 
4562                                                  4430 
4563 if (defined($opt{"LOG_FILE"})) {              !! 4431 doprint "\n    $successes of $opt{NUM_TESTS} tests were successful\n\n";
4564     print "\n See $opt{LOG_FILE} for the reco << 
4565     close LOG;                                << 
4566 }                                             << 
4567                                                  4432 
4568 exit 0;                                          4433 exit 0;
4569                                               << 
4570 ##                                            << 
4571 # The following are here to standardize tabs/ << 
4572 ###                                           << 
4573                                               << 
4574 # Local Variables:                            << 
4575 # mode: perl                                  << 
4576 # End:                                        << 
4577 # vim: softtabstop=4                          << 
                                                      

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