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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-5.16.20)


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

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