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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-6.6.60)


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

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