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

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

Diff markup

Differences between /tools/testing/ktest/ktest.pl (Version linux-6.12-rc7) and /tools/testing/ktest/ktest.pl (Version linux-5.15.171)


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

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