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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-5.1.21)


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