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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-4.9.337)


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