3 # Copyright 2010 - Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.
4 # Licensed under the terms of the GNU GPL License version 2
9 use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
10 use File::Path qw(mkpath);
11 use File::Copy qw(cp);
26 "TEST_TYPE" => "build",
27 "BUILD_TYPE" => "randconfig",
29 "CLOSE_CONSOLE_SIGNAL" => "INT",
31 "TMP_DIR" => "/tmp/ktest/\${MACHINE}",
32 "SLEEP_TIME" => 60, # sleep time between tests
34 "REBOOT_ON_ERROR" => 0,
35 "POWEROFF_ON_ERROR" => 0,
36 "REBOOT_ON_SUCCESS" => 1,
37 "POWEROFF_ON_SUCCESS" => 0,
38 "BUILD_OPTIONS" => "",
39 "BISECT_SLEEP_TIME" => 60, # sleep time between bisects
40 "PATCHCHECK_SLEEP_TIME" => 60, # sleep time between patch checks
45 "MIN_CONFIG_TYPE" => "boot",
46 "SUCCESS_LINE" => "login:",
47 "DETECT_TRIPLE_FAULT" => 1,
49 "BOOTED_TIMEOUT" => 1,
50 "DIE_ON_FAILURE" => 1,
51 "SSH_EXEC" => "ssh \$SSH_USER\@\$MACHINE \$SSH_COMMAND",
52 "SCP_TO_TARGET" => "scp \$SRC_FILE \$SSH_USER\@\$MACHINE:\$DST_FILE",
53 "SCP_TO_TARGET_INSTALL" => "\${SCP_TO_TARGET}",
54 "REBOOT" => "ssh \$SSH_USER\@\$MACHINE reboot",
55 "STOP_AFTER_SUCCESS" => 10,
56 "STOP_AFTER_FAILURE" => 60,
57 "STOP_TEST_AFTER" => 600,
58 "MAX_MONITOR_WAIT" => 1800,
59 "GRUB_REBOOT" => "grub2-reboot",
60 "SYSLINUX" => "extlinux",
61 "SYSLINUX_PATH" => "/boot/extlinux",
63 # required, and we will ask users if they don't have them but we keep the default
64 # value something that is common.
65 "REBOOT_TYPE" => "grub",
66 "LOCALVERSION" => "-test",
68 "BUILD_TARGET" => "arch/x86/boot/bzImage",
69 "TARGET_IMAGE" => "/boot/vmlinuz-test",
75 my $ktest_config = "ktest.conf";
104 my $poweroff_on_error;
105 my $reboot_on_success;
107 my $powercycle_after_reboot;
108 my $poweroff_after_halt;
109 my $max_monitor_wait;
112 my $scp_to_target_install;
130 my $start_minconfig_defined;
131 my $output_minconfig;
133 my $use_output_minconfig;
139 my $bisect_bad_commit = "";
144 my $config_bisect_good;
148 my $bisect_ret_abort;
149 my $bisect_ret_default;
150 my $in_patchcheck = 0;
159 my $bisect_sleep_time;
160 my $patchcheck_sleep_time;
167 my $detect_triplefault;
169 my $close_console_signal;
170 my $reboot_success_line;
172 my $stop_after_success;
173 my $stop_after_failure;
193 my $config_bisect_type;
194 my $config_bisect_check;
197 my $patchcheck_start;
198 my $patchcheck_cherry;
206 # set when a test is something other that just building or install
207 # which would require more options.
210 # tell build not to worry about warnings, even when WARNINGS_FILE is set
213 # set when creating a new config
220 # force_config is the list of configs that we force enabled (or disabled)
221 # in a .config file. The MIN_CONFIG and ADD_CONFIG configs.
224 # do not force reboots on config problems
228 my $reboot_success = 0;
231 "MACHINE" => \$machine,
232 "SSH_USER" => \$ssh_user,
233 "TMP_DIR" => \$tmpdir,
234 "OUTPUT_DIR" => \$outputdir,
235 "BUILD_DIR" => \$builddir,
236 "TEST_TYPE" => \$test_type,
237 "PRE_KTEST" => \$pre_ktest,
238 "POST_KTEST" => \$post_ktest,
239 "PRE_TEST" => \$pre_test,
240 "POST_TEST" => \$post_test,
241 "BUILD_TYPE" => \$build_type,
242 "BUILD_OPTIONS" => \$build_options,
243 "PRE_BUILD" => \$pre_build,
244 "POST_BUILD" => \$post_build,
245 "PRE_BUILD_DIE" => \$pre_build_die,
246 "POST_BUILD_DIE" => \$post_build_die,
247 "POWER_CYCLE" => \$power_cycle,
248 "REBOOT" => \$reboot,
249 "BUILD_NOCLEAN" => \$noclean,
250 "MIN_CONFIG" => \$minconfig,
251 "OUTPUT_MIN_CONFIG" => \$output_minconfig,
252 "START_MIN_CONFIG" => \$start_minconfig,
253 "MIN_CONFIG_TYPE" => \$minconfig_type,
254 "USE_OUTPUT_MIN_CONFIG" => \$use_output_minconfig,
255 "WARNINGS_FILE" => \$warnings_file,
256 "IGNORE_CONFIG" => \$ignore_config,
257 "TEST" => \$run_test,
258 "ADD_CONFIG" => \$addconfig,
259 "REBOOT_TYPE" => \$reboot_type,
260 "GRUB_MENU" => \$grub_menu,
261 "GRUB_FILE" => \$grub_file,
262 "GRUB_REBOOT" => \$grub_reboot,
263 "SYSLINUX" => \$syslinux,
264 "SYSLINUX_PATH" => \$syslinux_path,
265 "SYSLINUX_LABEL" => \$syslinux_label,
266 "PRE_INSTALL" => \$pre_install,
267 "POST_INSTALL" => \$post_install,
268 "NO_INSTALL" => \$no_install,
269 "REBOOT_SCRIPT" => \$reboot_script,
270 "REBOOT_ON_ERROR" => \$reboot_on_error,
271 "SWITCH_TO_GOOD" => \$switch_to_good,
272 "SWITCH_TO_TEST" => \$switch_to_test,
273 "POWEROFF_ON_ERROR" => \$poweroff_on_error,
274 "REBOOT_ON_SUCCESS" => \$reboot_on_success,
275 "DIE_ON_FAILURE" => \$die_on_failure,
276 "POWER_OFF" => \$power_off,
277 "POWERCYCLE_AFTER_REBOOT" => \$powercycle_after_reboot,
278 "POWEROFF_AFTER_HALT" => \$poweroff_after_halt,
279 "MAX_MONITOR_WAIT" => \$max_monitor_wait,
280 "SLEEP_TIME" => \$sleep_time,
281 "BISECT_SLEEP_TIME" => \$bisect_sleep_time,
282 "PATCHCHECK_SLEEP_TIME" => \$patchcheck_sleep_time,
283 "IGNORE_WARNINGS" => \$ignore_warnings,
284 "IGNORE_ERRORS" => \$ignore_errors,
285 "BISECT_MANUAL" => \$bisect_manual,
286 "BISECT_SKIP" => \$bisect_skip,
287 "BISECT_TRIES" => \$bisect_tries,
288 "CONFIG_BISECT_GOOD" => \$config_bisect_good,
289 "BISECT_RET_GOOD" => \$bisect_ret_good,
290 "BISECT_RET_BAD" => \$bisect_ret_bad,
291 "BISECT_RET_SKIP" => \$bisect_ret_skip,
292 "BISECT_RET_ABORT" => \$bisect_ret_abort,
293 "BISECT_RET_DEFAULT" => \$bisect_ret_default,
294 "STORE_FAILURES" => \$store_failures,
295 "STORE_SUCCESSES" => \$store_successes,
296 "TEST_NAME" => \$test_name,
297 "TIMEOUT" => \$timeout,
298 "BOOTED_TIMEOUT" => \$booted_timeout,
299 "CONSOLE" => \$console,
300 "CLOSE_CONSOLE_SIGNAL" => \$close_console_signal,
301 "DETECT_TRIPLE_FAULT" => \$detect_triplefault,
302 "SUCCESS_LINE" => \$success_line,
303 "REBOOT_SUCCESS_LINE" => \$reboot_success_line,
304 "STOP_AFTER_SUCCESS" => \$stop_after_success,
305 "STOP_AFTER_FAILURE" => \$stop_after_failure,
306 "STOP_TEST_AFTER" => \$stop_test_after,
307 "BUILD_TARGET" => \$build_target,
308 "SSH_EXEC" => \$ssh_exec,
309 "SCP_TO_TARGET" => \$scp_to_target,
310 "SCP_TO_TARGET_INSTALL" => \$scp_to_target_install,
311 "CHECKOUT" => \$checkout,
312 "TARGET_IMAGE" => \$target_image,
313 "LOCALVERSION" => \$localversion,
315 "BISECT_GOOD" => \$bisect_good,
316 "BISECT_BAD" => \$bisect_bad,
317 "BISECT_TYPE" => \$bisect_type,
318 "BISECT_START" => \$bisect_start,
319 "BISECT_REPLAY" => \$bisect_replay,
320 "BISECT_FILES" => \$bisect_files,
321 "BISECT_REVERSE" => \$bisect_reverse,
322 "BISECT_CHECK" => \$bisect_check,
324 "CONFIG_BISECT" => \$config_bisect,
325 "CONFIG_BISECT_TYPE" => \$config_bisect_type,
326 "CONFIG_BISECT_CHECK" => \$config_bisect_check,
328 "PATCHCHECK_TYPE" => \$patchcheck_type,
329 "PATCHCHECK_START" => \$patchcheck_start,
330 "PATCHCHECK_CHERRY" => \$patchcheck_cherry,
331 "PATCHCHECK_END" => \$patchcheck_end,
334 # Options may be used by other options, record them.
337 # default variables that can be used
338 chomp ($variable{"PWD"} = `pwd`);
340 $config_help{"MACHINE"} = << "EOF"
341 The machine hostname that you will test.
342 For build only tests, it is still needed to differentiate log files.
345 $config_help{"SSH_USER"} = << "EOF"
346 The box is expected to have ssh on normal bootup, provide the user
347 (most likely root, since you need privileged operations)
350 $config_help{"BUILD_DIR"} = << "EOF"
351 The directory that contains the Linux source code (full path).
352 You can use \${PWD} that will be the path where ktest.pl is run, or use
353 \${THIS_DIR} which is assigned \${PWD} but may be changed later.
356 $config_help{"OUTPUT_DIR"} = << "EOF"
357 The directory that the objects will be built (full path).
358 (can not be same as BUILD_DIR)
359 You can use \${PWD} that will be the path where ktest.pl is run, or use
360 \${THIS_DIR} which is assigned \${PWD} but may be changed later.
363 $config_help{"BUILD_TARGET"} = << "EOF"
364 The location of the compiled file to copy to the target.
365 (relative to OUTPUT_DIR)
368 $config_help{"BUILD_OPTIONS"} = << "EOF"
369 Options to add to \"make\" when building.
373 $config_help{"TARGET_IMAGE"} = << "EOF"
374 The place to put your image on the test machine.
377 $config_help{"POWER_CYCLE"} = << "EOF"
378 A script or command to reboot the box.
380 Here is a digital loggers power switch example
381 POWER_CYCLE = wget --no-proxy -O /dev/null -q --auth-no-challenge 'http://admin:admin\@power/outlet?5=CCL'
383 Here is an example to reboot a virtual box on the current host
384 with the name "Guest".
385 POWER_CYCLE = virsh destroy Guest; sleep 5; virsh start Guest
388 $config_help{"CONSOLE"} = << "EOF"
389 The script or command that reads the console
391 If you use ttywatch server, something like the following would work.
392 CONSOLE = nc -d localhost 3001
394 For a virtual machine with guest name "Guest".
395 CONSOLE = virsh console Guest
398 $config_help{"LOCALVERSION"} = << "EOF"
399 Required version ending to differentiate the test
400 from other linux builds on the system.
403 $config_help{"REBOOT_TYPE"} = << "EOF"
404 Way to reboot the box to the test kernel.
405 Only valid options so far are "grub", "grub2", "syslinux", and "script".
407 If you specify grub, it will assume grub version 1
408 and will search in /boot/grub/menu.lst for the title \$GRUB_MENU
409 and select that target to reboot to the kernel. If this is not
410 your setup, then specify "script" and have a command or script
411 specified in REBOOT_SCRIPT to boot to the target.
413 The entry in /boot/grub/menu.lst must be entered in manually.
414 The test will not modify that file.
416 If you specify grub2, then you also need to specify both \$GRUB_MENU
419 If you specify syslinux, then you may use SYSLINUX to define the syslinux
420 command (defaults to extlinux), and SYSLINUX_PATH to specify the path to
421 the syslinux install (defaults to /boot/extlinux). But you have to specify
422 SYSLINUX_LABEL to define the label to boot to for the test kernel.
425 $config_help{"GRUB_MENU"} = << "EOF"
426 The grub title name for the test kernel to boot
427 (Only mandatory if REBOOT_TYPE = grub or grub2)
429 Note, ktest.pl will not update the grub menu.lst, you need to
430 manually add an option for the test. ktest.pl will search
431 the grub menu.lst for this option to find what kernel to
434 For example, if in the /boot/grub/menu.lst the test kernel title has:
437 GRUB_MENU = Test Kernel
439 For grub2, a search of \$GRUB_FILE is performed for the lines
440 that begin with "menuentry". It will not detect submenus. The
441 menu must be a non-nested menu. Add the quotes used in the menu
442 to guarantee your selection, as the first menuentry with the content
443 of \$GRUB_MENU that is found will be used.
446 $config_help{"GRUB_FILE"} = << "EOF"
447 If grub2 is used, the full path for the grub.cfg file is placed
448 here. Use something like /boot/grub2/grub.cfg to search.
451 $config_help{"SYSLINUX_LABEL"} = << "EOF"
452 If syslinux is used, the label that boots the target kernel must
453 be specified with SYSLINUX_LABEL.
456 $config_help{"REBOOT_SCRIPT"} = << "EOF"
457 A script to reboot the target into the test kernel
458 (Only mandatory if REBOOT_TYPE = script)
463 if (defined($opt{"LOG_FILE"})) {
464 open(OUT, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}";
471 if (defined($opt{"LOG_FILE"})) {
484 my ($cancel, $prompt) = @_;
490 print "$prompt [y/n/C] ";
492 print "$prompt [Y/n] ";
496 if ($ans =~ /^\s*$/) {
503 last if ($ans =~ /^y$/i || $ans =~ /^n$/i);
505 last if ($ans =~ /^c$/i);
506 print "Please answer either 'y', 'n' or 'c'.\n";
508 print "Please answer either 'y' or 'n'.\n";
514 if ($ans !~ /^y$/i) {
523 return read_prompt 0, $prompt;
529 return read_prompt 1, $prompt;
532 sub get_mandatory_config {
536 return if (defined($opt{$config}));
538 if (defined($config_help{$config})) {
540 print $config_help{$config};
545 if (defined($default{$config}) && length($default{$config})) {
546 print "\[$default{$config}\] ";
549 $ans =~ s/^\s*(.*\S)\s*$/$1/;
550 if ($ans =~ /^\s*$/) {
551 if ($default{$config}) {
552 $ans = $default{$config};
554 print "Your answer can not be blank\n";
558 $entered_configs{$config} = ${ans};
570 $hours = int($time / 3600);
571 $time -= $hours * 3600;
574 $minutes = int($time / 60);
575 $time -= $minutes * 60;
579 doprint "$hours hour";
580 doprint "s" if ($hours > 1);
585 doprint "$minutes minute";
586 doprint "s" if ($minutes > 1);
590 doprint "$time second";
591 doprint "s" if ($time != 1);
597 doprint "Build time: ";
598 show_time($build_time);
602 doprint "Install time: ";
603 show_time($install_time);
607 doprint "Reboot time: ";
608 show_time($reboot_time);
612 doprint "Test time: ";
613 show_time($test_time);
616 # reset for iterations like bisect
623 sub get_mandatory_configs {
624 get_mandatory_config("MACHINE");
625 get_mandatory_config("BUILD_DIR");
626 get_mandatory_config("OUTPUT_DIR");
629 get_mandatory_config("BUILD_OPTIONS");
632 # options required for other than just building a kernel
634 get_mandatory_config("POWER_CYCLE");
635 get_mandatory_config("CONSOLE");
638 # options required for install and more
639 if ($buildonly != 1) {
640 get_mandatory_config("SSH_USER");
641 get_mandatory_config("BUILD_TARGET");
642 get_mandatory_config("TARGET_IMAGE");
645 get_mandatory_config("LOCALVERSION");
647 return if ($buildonly);
649 my $rtype = $opt{"REBOOT_TYPE"};
651 if (!defined($rtype)) {
652 if (!defined($opt{"GRUB_MENU"})) {
653 get_mandatory_config("REBOOT_TYPE");
654 $rtype = $entered_configs{"REBOOT_TYPE"};
660 if ($rtype eq "grub") {
661 get_mandatory_config("GRUB_MENU");
664 if ($rtype eq "grub2") {
665 get_mandatory_config("GRUB_MENU");
666 get_mandatory_config("GRUB_FILE");
669 if ($rtype eq "syslinux") {
670 get_mandatory_config("SYSLINUX_LABEL");
674 sub process_variables {
675 my ($value, $remove_undef) = @_;
678 # We want to check for '\', and it is just easier
679 # to check the previous characet of '$' and not need
680 # to worry if '$' is the first character. By adding
681 # a space to $value, we can just check [^\\]\$ and
682 # it will still work.
685 while ($value =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
689 # append beginning of value to retval
690 $retval = "$retval$begin";
691 if (defined($variable{$var})) {
692 $retval = "$retval$variable{$var}";
693 } elsif (defined($remove_undef) && $remove_undef) {
694 # for if statements, any variable that is not defined,
695 # we simple convert to 0
696 $retval = "${retval}0";
698 # put back the origin piece.
699 $retval = "$retval\$\{$var\}";
700 # This could be an option that is used later, save
701 # it so we don't warn if this option is not one of
703 $used_options{$var} = 1;
707 $retval = "$retval$value";
709 # remove the space added in the beginning
716 my ($lvalue, $rvalue, $override, $overrides, $name) = @_;
718 my $prvalue = process_variables($rvalue);
720 if ($buildonly && $lvalue =~ /^TEST_TYPE(\[.*\])?$/ && $prvalue ne "build") {
721 # Note if a test is something other than build, then we
722 # will need other manditory options.
723 if ($prvalue ne "install") {
724 # for bisect, we need to check BISECT_TYPE
725 if ($prvalue ne "bisect") {
729 # install still limits some manditory options.
734 if ($buildonly && $lvalue =~ /^BISECT_TYPE(\[.*\])?$/ && $prvalue ne "build") {
735 if ($prvalue ne "install") {
738 # install still limits some manditory options.
743 if (defined($opt{$lvalue})) {
744 if (!$override || defined(${$overrides}{$lvalue})) {
747 $extra = "In the same override section!\n";
749 die "$name: $.: Option $lvalue defined more than once!\n$extra";
751 ${$overrides}{$lvalue} = $prvalue;
754 $opt{$lvalue} = $prvalue;
758 my ($lvalue, $rvalue, $name) = @_;
760 my $prvalue = process_variables($rvalue);
763 if (defined($evals{$lvalue})) {
764 $arr = $evals{$lvalue};
767 $evals{$lvalue} = $arr;
770 push @{$arr}, $rvalue;
774 my ($lvalue, $rvalue) = @_;
776 if ($rvalue =~ /^\s*$/) {
777 delete $variable{$lvalue};
779 $rvalue = process_variables($rvalue);
780 $variable{$lvalue} = $rvalue;
784 sub process_compare {
785 my ($lval, $cmp, $rval) = @_;
796 return $lval eq $rval;
797 } elsif ($cmp eq "!=") {
798 return $lval ne $rval;
799 } elsif ($cmp eq "=~") {
800 return $lval =~ m/$rval/;
801 } elsif ($cmp eq "!~") {
802 return $lval !~ m/$rval/;
805 my $statement = "$lval $cmp $rval";
806 my $ret = eval $statement;
808 # $@ stores error of eval
819 return defined($variable{$2}) ||
824 sub process_expression {
825 my ($name, $val) = @_;
829 while ($val =~ s/\(([^\(]*?)\)/\&\&\&\&VAL\&\&\&\&/) {
832 if (process_expression($name, $express)) {
833 $val =~ s/\&\&\&\&VAL\&\&\&\&/ 1 /;
835 $val =~ s/\&\&\&\&VAL\&\&\&\&/ 0 /;
843 while ($val =~ s/^(.*?)($OR|$AND)//) {
847 if (process_expression($name, $express)) {
858 if ($val =~ /(.*)(==|\!=|>=|<=|>|<|=~|\!~)(.*)/) {
859 my $ret = process_compare($1, $2, $3);
861 die "$name: $.: Unable to process comparison\n";
866 if ($val =~ /^\s*(NOT\s*)?DEFINED\s+(\S+)\s*$/) {
868 return !value_defined($2);
870 return value_defined($2);
874 if ($val =~ /^\s*0\s*$/) {
876 } elsif ($val =~ /^\s*\d+\s*$/) {
880 die ("$name: $.: Undefined content $val in if statement\n");
884 my ($name, $value) = @_;
886 # Convert variables and replace undefined ones with 0
887 my $val = process_variables($value, 1);
888 my $ret = process_expression $name, $val;
894 my ($config, $current_test_num) = @_;
897 open($in, $config) || die "can't read file $config";
900 $name =~ s,.*/(.*),$1,;
902 my $test_num = $$current_test_num;
905 my $num_tests_set = 0;
918 # ignore blank lines and comments
919 next if (/^\s*$/ || /\s*\#/);
921 if (/^\s*(TEST_START|DEFAULTS)\b(.*)/) {
931 if ($type eq "TEST_START") {
933 if ($num_tests_set) {
934 die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
937 $old_test_num = $test_num;
938 $old_repeat = $repeat;
940 $test_num += $repeat;
947 # If SKIP is anywhere in the line, the command will be skipped
948 if ($rest =~ s/\s+SKIP\b//) {
955 if ($rest =~ s/\sELSE\b//) {
957 die "$name: $.: ELSE found with out matching IF section\n$_";
968 if ($rest =~ s/\sIF\s+(.*)//) {
969 if (process_if($name, $1)) {
981 if ($type eq "TEST_START") {
982 if ($rest =~ s/\s+ITERATE\s+(\d+)//) {
984 $repeat_tests{"$test_num"} = $repeat;
986 } elsif ($rest =~ s/\sOVERRIDE\b//) {
989 # Clear previous overrides
994 if (!$skip && $rest !~ /^\s*$/) {
995 die "$name: $.: Gargbage found after $type\n$_";
998 if ($skip && $type eq "TEST_START") {
999 $test_num = $old_test_num;
1000 $repeat = $old_repeat;
1003 } elsif (/^\s*ELSE\b(.*)$/) {
1005 die "$name: $.: ELSE found with out matching IF section\n$_";
1014 if ($rest =~ /\sIF\s+(.*)/) {
1015 # May be a ELSE IF section.
1016 if (process_if($name, $1)) {
1027 if ($rest !~ /^\s*$/) {
1028 die "$name: $.: Gargbage found after DEFAULTS\n$_";
1031 } elsif (/^\s*INCLUDE\s+(\S+)/) {
1036 die "$name: $.: INCLUDE can only be done in default sections\n$_";
1039 my $file = process_variables($1);
1041 if ($file !~ m,^/,) {
1042 # check the path of the config file first
1043 if ($config =~ m,(.*)/,) {
1044 if (-f "$1/$file") {
1051 die "$name: $.: Can't read file $file\n$_";
1054 if (__read_config($file, \$test_num)) {
1058 } elsif (/^\s*([A-Z_\[\]\d]+)\s*=~\s*(.*?)\s*$/) {
1065 if ($default || $lvalue =~ /\[\d+\]$/) {
1066 set_eval($lvalue, $rvalue, $name);
1068 my $val = "$lvalue\[$test_num\]";
1069 set_eval($val, $rvalue, $name);
1072 } elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(.*?)\s*$/) {
1080 ($lvalue eq "NUM_TESTS" ||
1081 $lvalue eq "LOG_FILE" ||
1082 $lvalue eq "CLEAR_LOG")) {
1083 die "$name: $.: $lvalue must be set in DEFAULTS section\n";
1086 if ($lvalue eq "NUM_TESTS") {
1088 die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
1091 die "$name: $.: NUM_TESTS must be set in default section\n";
1096 if ($default || $lvalue =~ /\[\d+\]$/) {
1097 set_value($lvalue, $rvalue, $override, \%overrides, $name);
1099 my $val = "$lvalue\[$test_num\]";
1100 set_value($val, $rvalue, $override, \%overrides, $name);
1103 $repeats{$val} = $repeat;
1106 } elsif (/^\s*([A-Z_\[\]\d]+)\s*:=\s*(.*?)\s*$/) {
1112 # process config variables.
1113 # Config variables are only active while reading the
1114 # config and can be defined anywhere. They also ignore
1115 # TEST_START and DEFAULTS, but are skipped if they are in
1116 # on of these sections that have SKIP defined.
1117 # The save variable can be
1118 # defined multiple times and the new one simply overrides
1120 set_variable($lvalue, $rvalue);
1123 die "$name: $.: Garbage found in config\n$_";
1128 $test_num += $repeat - 1;
1129 $opt{"NUM_TESTS"} = $test_num;
1134 $$current_test_num = $test_num;
1140 print "What test case would you like to run?\n";
1141 print " (build, install or boot)\n";
1142 print " Other tests are available but require editing the config file\n";
1145 $default{"TEST_TYPE"} = $ans;
1154 $test_case = __read_config $config, \$test_num;
1156 # make sure we have all mandatory configs
1157 get_mandatory_configs;
1159 # was a test specified?
1161 print "No test case specified.\n";
1167 foreach my $default (keys %default) {
1168 if (!defined($opt{$default})) {
1169 $opt{$default} = $default{$default};
1173 if ($opt{"IGNORE_UNUSED"} == 1) {
1179 # check if there are any stragglers (typos?)
1180 foreach my $option (keys %opt) {
1182 # remove per test labels.
1184 if (!exists($option_map{$op}) &&
1185 !exists($default{$op}) &&
1186 !exists($used_options{$op})) {
1193 $s = " is" if (keys %not_used == 1);
1194 print "The following option$s not used; could be a typo:\n";
1195 foreach my $option (keys %not_used) {
1198 print "Set IGRNORE_UNUSED = 1 to have ktest ignore unused variables\n";
1199 if (!read_yn "Do you want to continue?") {
1206 my ($name, $option, $i) = @_;
1208 # Add space to evaluate the character before $
1209 $option = " $option";
1214 foreach my $test (keys %repeat_tests) {
1216 $i < $test + $repeat_tests{$test}) {
1224 while ($option =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
1229 # Append beginning of line
1230 $retval = "$retval$start";
1232 # If the iteration option OPT[$i] exists, then use that.
1233 # otherwise see if the default OPT (without [$i]) exists.
1235 my $o = "$var\[$i\]";
1236 my $parento = "$var\[$parent\]";
1238 # If a variable contains itself, use the default var
1239 if (($var eq $name) && defined($opt{$var})) {
1241 $retval = "$retval$o";
1242 } elsif (defined($opt{$o})) {
1244 $retval = "$retval$o";
1245 } elsif ($repeated && defined($opt{$parento})) {
1246 $o = $opt{$parento};
1247 $retval = "$retval$o";
1248 } elsif (defined($opt{$var})) {
1250 $retval = "$retval$o";
1251 } elsif ($var eq "KERNEL_VERSION" && defined($make)) {
1252 # special option KERNEL_VERSION uses kernel version
1254 $retval = "$retval$version";
1256 $retval = "$retval\$\{$var\}";
1262 $retval = "$retval$option";
1270 my ($name, $option, $i) = @_;
1272 my $option_name = "$name\[$i\]";
1275 my $old_option = $option;
1277 if (defined($evals{$option_name})) {
1278 $ev = $evals{$option_name};
1279 } elsif (defined($evals{$name})) {
1280 $ev = $evals{$name};
1285 for my $e (@{$ev}) {
1286 eval "\$option =~ $e";
1289 if ($option ne $old_option) {
1290 doprint("$name changed from '$old_option' to '$option'\n");
1297 my ($name, $option, $i) = @_;
1301 # Since an option can evaluate to another option,
1302 # keep iterating until we do not evaluate any more
1305 while ($prev ne $option) {
1306 # Check for recursive evaluations.
1307 # 100 deep should be more than enough.
1309 die "Over 100 evaluations accurred with $option\n" .
1310 "Check for recursive variables\n";
1313 $option = __eval_option($name, $option, $i);
1316 $option = process_evals($name, $option, $i);
1324 sub wait_for_monitor;
1329 # Make sure everything has been written to disk
1332 if (defined($time)) {
1334 # flush out current monitor
1335 # May contain the reboot success line
1339 # try to reboot normally
1340 if (run_command $reboot) {
1341 if (defined($powercycle_after_reboot)) {
1342 sleep $powercycle_after_reboot;
1343 run_command "$power_cycle";
1346 # nope? power cycle it.
1347 run_command "$power_cycle";
1350 if (defined($time)) {
1352 # We only want to get to the new kernel, don't fail
1353 # if we stumble over a call trace.
1354 my $save_ignore_errors = $ignore_errors;
1357 # Look for the good kernel to boot
1358 if (wait_for_monitor($time, "Linux version")) {
1360 doprint "Reboot did not finish. Forcing power cycle\n";
1361 run_command "$power_cycle";
1364 $ignore_errors = $save_ignore_errors;
1366 # Still need to wait for the reboot to finish
1367 wait_for_monitor($time, $reboot_success_line);
1373 sub reboot_to_good {
1376 if (defined($switch_to_good)) {
1377 run_command $switch_to_good;
1386 return $test_type eq "build" || $no_reboot ||
1387 ($test_type eq "patchcheck" && $opt{"PATCHCHECK_TYPE[$i]"} eq "build") ||
1388 ($test_type eq "bisect" && $opt{"BISECT_TYPE[$i]"} eq "build");
1392 doprint "CRITICAL FAILURE... ", @_, "\n";
1396 if ($reboot_on_error && !do_not_reboot) {
1398 doprint "REBOOTING\n";
1401 } elsif ($poweroff_on_error && defined($power_off)) {
1402 doprint "POWERING OFF\n";
1406 if (defined($opt{"LOG_FILE"})) {
1407 print " See $opt{LOG_FILE} for more info.\n";
1414 my ($ptm, $pts) = @_;
1416 my $TIOCSPTLCK = 0x40045431;
1417 my $TIOCGPTN = 0x80045430;
1419 sysopen($ptm, "/dev/ptmx", O_RDWR | O_NONBLOCK) or
1420 dodie "Cant open /dev/ptmx";
1423 $tmp = pack("i", 0);
1424 ioctl($ptm, $TIOCSPTLCK, $tmp) or
1425 dodie "ioctl TIOCSPTLCK for /dev/ptmx failed";
1428 ioctl($ptm, $TIOCGPTN, $tmp) or
1429 dodie "ioctl TIOCGPTN for /dev/ptmx failed";
1430 $tmp = unpack("i", $tmp);
1432 sysopen($pts, "/dev/pts/$tmp", O_RDWR | O_NONBLOCK) or
1433 dodie "Can't open /dev/pts/$tmp";
1437 my ($ptm, $pts) = @_;
1445 open(\*STDIN, '<&', $pts);
1446 open(\*STDOUT, '>&', $pts);
1447 open(\*STDERR, '>&', $pts);
1452 dodie "Can't open console $console";
1460 # save terminal settings
1461 $stty_orig = `stty -g`;
1463 # place terminal in cbreak mode so that stdin can be read one character at
1464 # a time without having to wait for a newline
1465 system("stty -icanon -echo -icrnl");
1467 create_pty($ptm, $pts);
1473 exec_console($ptm, $pts)
1481 open(PTSFD, "Stop perl from warning about single use of PTSFD");
1485 my ($fp, $pid) = @_;
1487 doprint "kill child process $pid\n";
1488 kill $close_console_signal, $pid;
1493 # restore terminal settings
1494 system("stty $stty_orig");
1498 if ($monitor_cnt++) {
1501 $monitor_fp = \*MONFD;
1502 $monitor_pid = open_console $monitor_fp;
1506 open(MONFD, "Stop perl from warning about single use of MONFD");
1510 return if (!defined $console);
1511 if (--$monitor_cnt) {
1514 close_console($monitor_fp, $monitor_pid);
1517 sub wait_for_monitor {
1518 my ($time, $stop) = @_;
1522 my $start_time = time;
1523 my $skip_call_trace = 0;
1525 my $bug_ignored = 0;
1528 doprint "** Wait for monitor to settle down **\n";
1530 # read the monitor and wait for the system to calm down
1532 $line = wait_for_input($monitor_fp, $time);
1533 last if (!defined($line));
1535 $full_line .= $line;
1537 if (defined($stop) && $full_line =~ /$stop/) {
1538 doprint "wait for monitor detected $stop\n";
1542 if ($full_line =~ /\[ backtrace testing \]/) {
1543 $skip_call_trace = 1;
1546 if ($full_line =~ /call trace:/i) {
1547 if (!$bug && !$skip_call_trace) {
1548 if ($ignore_errors) {
1556 if ($full_line =~ /\[ end of backtrace testing \]/) {
1557 $skip_call_trace = 0;
1560 if ($full_line =~ /Kernel panic -/) {
1564 if ($line =~ /\n/) {
1568 if ($now - $start_time >= $max_monitor_wait) {
1569 doprint "Exiting monitor flush due to hitting MAX_MONITOR_WAIT\n";
1573 print "** Monitor flushed **\n";
1575 # if stop is defined but wasn't hit, return error
1576 # used by reboot (which wants to see a reboot)
1577 if (defined($stop) && !$booted) {
1584 my ($result, $basedir) = @_;
1586 my $date = sprintf "%04d%02d%02d%02d%02d%02d",
1587 1900+$t[5],$t[4],$t[3],$t[2],$t[1],$t[0];
1589 my $type = $build_type;
1590 if ($type =~ /useconfig/) {
1591 $type = "useconfig";
1594 my $dir = "$machine-$test_type-$type-$result-$date";
1596 $dir = "$basedir/$dir";
1600 die "can't create $dir";
1604 "config" => $output_config,
1605 "buildlog" => $buildlog,
1607 "testlog" => $testlog,
1610 while (my ($name, $source) = each(%files)) {
1612 cp "$source", "$dir/$name" or
1613 die "failed to copy $source";
1617 doprint "*** Saved info to $dir ***\n";
1622 if (defined($post_test)) {
1623 run_command $post_test;
1626 if ($die_on_failure) {
1634 # no need to reboot for just building.
1635 if (!do_not_reboot) {
1636 doprint "REBOOTING\n";
1637 reboot_to_good $sleep_time;
1642 if (defined($test_name)) {
1643 $name = " ($test_name)";
1648 doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
1649 doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
1650 doprint "KTEST RESULT: TEST $i$name Failed: ", @_, "\n";
1651 doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
1652 doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
1654 if (defined($store_failures)) {
1655 save_logs "fail", $store_failures;
1662 my ($command, $redirect) = @_;
1671 $command =~ s/\$SSH_USER/$ssh_user/g;
1672 $command =~ s/\$MACHINE/$machine/g;
1674 doprint("$command ... ");
1676 $pid = open(CMD, "$command 2>&1 |") or
1677 (fail "unable to exec $command" and return 0);
1679 if (defined($opt{"LOG_FILE"})) {
1680 open(LOG, ">>$opt{LOG_FILE}") or
1681 dodie "failed to write to log";
1685 if (defined($redirect)) {
1686 open (RD, ">$redirect") or
1687 dodie "failed to write to redirect $redirect";
1692 print LOG if ($dolog);
1693 print RD if ($dord);
1700 close(LOG) if ($dolog);
1701 close(RD) if ($dord);
1704 my $delta = $end_time - $start_time;
1707 doprint "[1 second] ";
1709 doprint "[$delta seconds] ";
1713 doprint "FAILED!\n";
1715 doprint "SUCCESS\n";
1723 my $cp_exec = $ssh_exec;
1725 $cp_exec =~ s/\$SSH_COMMAND/$cmd/g;
1726 return run_command "$cp_exec";
1730 my ($src, $dst, $cp_scp) = @_;
1732 $cp_scp =~ s/\$SRC_FILE/$src/g;
1733 $cp_scp =~ s/\$DST_FILE/$dst/g;
1735 return run_command "$cp_scp";
1738 sub run_scp_install {
1739 my ($src, $dst) = @_;
1741 my $cp_scp = $scp_to_target_install;
1743 return run_scp($src, $dst, $cp_scp);
1747 my ($src, $dst) = @_;
1749 my $cp_scp = $scp_to_target;
1751 return run_scp($src, $dst, $cp_scp);
1754 sub get_grub2_index {
1756 return if (defined($grub_number) && defined($last_grub_menu) &&
1757 $last_grub_menu eq $grub_menu && defined($last_machine) &&
1758 $last_machine eq $machine);
1760 doprint "Find grub2 menu ... ";
1763 my $ssh_grub = $ssh_exec;
1764 $ssh_grub =~ s,\$SSH_COMMAND,cat $grub_file,g;
1766 open(IN, "$ssh_grub |")
1767 or die "unable to get $grub_file";
1772 if (/^menuentry.*$grub_menu/) {
1776 } elsif (/^menuentry\s/) {
1782 die "Could not find '$grub_menu' in $grub_file on $machine"
1784 doprint "$grub_number\n";
1785 $last_grub_menu = $grub_menu;
1786 $last_machine = $machine;
1789 sub get_grub_index {
1791 if ($reboot_type eq "grub2") {
1796 if ($reboot_type ne "grub") {
1799 return if (defined($grub_number) && defined($last_grub_menu) &&
1800 $last_grub_menu eq $grub_menu && defined($last_machine) &&
1801 $last_machine eq $machine);
1803 doprint "Find grub menu ... ";
1806 my $ssh_grub = $ssh_exec;
1807 $ssh_grub =~ s,\$SSH_COMMAND,cat /boot/grub/menu.lst,g;
1809 open(IN, "$ssh_grub |")
1810 or die "unable to get menu.lst";
1815 if (/^\s*title\s+$grub_menu\s*$/) {
1819 } elsif (/^\s*title\s/) {
1825 die "Could not find '$grub_menu' in /boot/grub/menu on $machine"
1827 doprint "$grub_number\n";
1828 $last_grub_menu = $grub_menu;
1829 $last_machine = $machine;
1834 my ($fp, $time) = @_;
1842 if (!defined($time)) {
1847 vec($rin, fileno($fp), 1) = 1;
1848 vec($rin, fileno(\*STDIN), 1) = 1;
1851 $nr = select($rout=$rin, undef, undef, $time);
1857 # copy data from stdin to the console
1858 if (vec($rout, fileno(\*STDIN), 1) == 1) {
1859 sysread(\*STDIN, $buf, 1000);
1860 syswrite($fp, $buf, 1000);
1866 # try to read one char at a time
1867 while (sysread $fp, $ch, 1) {
1869 last if ($ch eq "\n");
1872 if (!length($line)) {
1881 if (defined($switch_to_test)) {
1882 run_command $switch_to_test;
1885 if ($reboot_type eq "grub") {
1886 run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch)'";
1887 } elsif ($reboot_type eq "grub2") {
1888 run_ssh "$grub_reboot $grub_number";
1889 } elsif ($reboot_type eq "syslinux") {
1890 run_ssh "$syslinux --once \\\"$syslinux_label\\\" $syslinux_path";
1891 } elsif (defined $reboot_script) {
1892 run_command "$reboot_script";
1900 doprint "git rev-list --max-count=1 $commit ... ";
1901 my $sha1 = `git rev-list --max-count=1 $commit`;
1908 dodie "Failed to get git $commit";
1921 my $bug_ignored = 0;
1922 my $skip_call_trace = 0;
1925 my $start_time = time;
1932 open(DMESG, "> $dmesg") or
1933 die "unable to write to $dmesg";
1939 my $monitor_start = time;
1941 my $version_found = 0;
1945 if ($bug && defined($stop_after_failure) &&
1946 $stop_after_failure >= 0) {
1947 my $time = $stop_after_failure - (time - $failure_start);
1948 $line = wait_for_input($monitor_fp, $time);
1949 if (!defined($line)) {
1950 doprint "bug timed out after $booted_timeout seconds\n";
1951 doprint "Test forced to stop after $stop_after_failure seconds after failure\n";
1955 $line = wait_for_input($monitor_fp, $booted_timeout);
1956 if (!defined($line)) {
1957 my $s = $booted_timeout == 1 ? "" : "s";
1958 doprint "Successful boot found: break after $booted_timeout second$s\n";
1962 $line = wait_for_input($monitor_fp);
1963 if (!defined($line)) {
1964 my $s = $timeout == 1 ? "" : "s";
1965 doprint "Timed out after $timeout second$s\n";
1973 # we are not guaranteed to get a full line
1974 $full_line .= $line;
1976 if ($full_line =~ /$success_line/) {
1978 $success_start = time;
1981 if ($booted && defined($stop_after_success) &&
1982 $stop_after_success >= 0) {
1984 if ($now - $success_start >= $stop_after_success) {
1985 doprint "Test forced to stop after $stop_after_success seconds after success\n";
1990 if ($full_line =~ /\[ backtrace testing \]/) {
1991 $skip_call_trace = 1;
1994 if ($full_line =~ /call trace:/i) {
1995 if (!$bug && !$skip_call_trace) {
1996 if ($ignore_errors) {
2000 $failure_start = time;
2005 if ($bug && defined($stop_after_failure) &&
2006 $stop_after_failure >= 0) {
2008 if ($now - $failure_start >= $stop_after_failure) {
2009 doprint "Test forced to stop after $stop_after_failure seconds after failure\n";
2014 if ($full_line =~ /\[ end of backtrace testing \]/) {
2015 $skip_call_trace = 0;
2018 if ($full_line =~ /Kernel panic -/) {
2019 $failure_start = time;
2023 # Detect triple faults by testing the banner
2024 if ($full_line =~ /\bLinux version (\S+).*\n/) {
2025 if ($1 eq $version) {
2027 } elsif ($version_found && $detect_triplefault) {
2028 # We already booted into the kernel we are testing,
2029 # but now we booted into another kernel?
2030 # Consider this a triple fault.
2031 doprint "Already booted in Linux kernel $version, but now\n";
2032 doprint "we booted into Linux kernel $1.\n";
2033 doprint "Assuming that this is a triple fault.\n";
2034 doprint "To disable this: set DETECT_TRIPLE_FAULT to 0\n";
2039 if ($line =~ /\n/) {
2043 if ($stop_test_after > 0 && !$booted && !$bug) {
2044 if (time - $monitor_start > $stop_test_after) {
2045 doprint "STOP_TEST_AFTER ($stop_test_after seconds) timed out\n";
2051 my $end_time = time;
2052 $reboot_time = $end_time - $start_time;
2057 return 0 if ($in_bisect);
2058 fail "failed - got a bug report" and return 0;
2062 return 0 if ($in_bisect);
2063 fail "failed - never got a boot prompt." and return 0;
2067 doprint "WARNING: Call Trace detected but ignored due to IGNORE_ERRORS=1\n";
2073 sub eval_kernel_version {
2076 $option =~ s/\$KERNEL_VERSION/$version/g;
2081 sub do_post_install {
2083 return if (!defined($post_install));
2085 my $cp_post_install = eval_kernel_version $post_install;
2086 run_command "$cp_post_install" or
2087 dodie "Failed to run post install";
2090 # Sometimes the reboot fails, and will hang. We try to ssh to the box
2091 # and if we fail, we force another reboot, that should powercycle it.
2093 if (!run_ssh "echo testing connection") {
2100 return if ($no_install);
2102 my $start_time = time;
2104 if (defined($pre_install)) {
2105 my $cp_pre_install = eval_kernel_version $pre_install;
2106 run_command "$cp_pre_install" or
2107 dodie "Failed to run pre install";
2110 my $cp_target = eval_kernel_version $target_image;
2114 run_scp_install "$outputdir/$build_target", "$cp_target" or
2115 dodie "failed to copy image";
2117 my $install_mods = 0;
2119 # should we process modules?
2121 open(IN, "$output_config") or dodie("Can't read config file");
2123 if (/CONFIG_MODULES(=y)?/) {
2132 if (!$install_mods) {
2134 doprint "No modules needed\n";
2135 my $end_time = time;
2136 $install_time = $end_time - $start_time;
2140 run_command "$make INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=$tmpdir modules_install" or
2141 dodie "Failed to install modules";
2143 my $modlib = "/lib/modules/$version";
2144 my $modtar = "ktest-mods.tar.bz2";
2146 run_ssh "rm -rf $modlib" or
2147 dodie "failed to remove old mods: $modlib";
2149 # would be nice if scp -r did not follow symbolic links
2150 run_command "cd $tmpdir && tar -cjf $modtar lib/modules/$version" or
2151 dodie "making tarball";
2153 run_scp_mod "$tmpdir/$modtar", "/tmp" or
2154 dodie "failed to copy modules";
2156 unlink "$tmpdir/$modtar";
2158 run_ssh "'(cd / && tar xjf /tmp/$modtar)'" or
2159 dodie "failed to tar modules";
2161 run_ssh "rm -f /tmp/$modtar";
2165 my $end_time = time;
2166 $install_time = $end_time - $start_time;
2170 # get the release name
2171 return if ($have_version);
2172 doprint "$make kernelrelease ... ";
2173 $version = `$make -s kernelrelease | tail -1`;
2175 doprint "$version\n";
2179 sub start_monitor_and_install {
2180 # Make sure the stable kernel has finished booting
2182 # Install bisects, don't need console
2183 if (defined $console) {
2193 start_monitor if (defined $console);
2197 my $check_build_re = ".*:.*(warning|error|Error):.*";
2198 my $utf8_quote = "\\x{e2}\\x{80}(\\x{98}|\\x{99})";
2200 sub process_warning_line {
2205 # for distcc heterogeneous systems, some compilers
2206 # do things differently causing warning lines
2207 # to be slightly different. This makes an attempt
2208 # to fixe those issues.
2210 # chop off the index into the line
2211 # using distcc, some compilers give different indexes
2212 # depending on white space
2213 $line =~ s/^(\s*\S+:\d+:)\d+/$1/;
2215 # Some compilers use UTF-8 extended for quotes and some don't.
2216 $line =~ s/$utf8_quote/'/g;
2221 # Read buildlog and check against warnings file for any
2226 sub check_buildlog {
2227 return 1 if (!defined $warnings_file);
2231 # Failed builds should not reboot the target
2232 my $save_no_reboot = $no_reboot;
2235 if (-f $warnings_file) {
2236 open(IN, $warnings_file) or
2237 dodie "Error opening $warnings_file";
2240 if (/$check_build_re/) {
2241 my $warning = process_warning_line $_;
2243 $warnings_list{$warning} = 1;
2249 # If warnings file didn't exist, and WARNINGS_FILE exist,
2250 # then we fail on any warning!
2252 open(IN, $buildlog) or dodie "Can't open $buildlog";
2254 if (/$check_build_re/) {
2255 my $warning = process_warning_line $_;
2257 if (!defined $warnings_list{$warning}) {
2258 fail "New warning found (not in $warnings_file)\n$_\n";
2259 $no_reboot = $save_no_reboot;
2264 $no_reboot = $save_no_reboot;
2268 sub check_patch_buildlog {
2271 my @files = `git show $patch | diffstat -l`;
2273 foreach my $file (@files) {
2277 open(IN, "git show $patch |") or
2278 dodie "failed to show $patch";
2280 if (m,^--- a/(.*),) {
2282 $files[$#files] = $1;
2287 open(IN, $buildlog) or dodie "Can't open $buildlog";
2289 if (/^\s*(.*?):.*(warning|error)/) {
2291 foreach my $file (@files) {
2292 my $fullpath = "$builddir/$file";
2293 if ($file eq $err || $fullpath eq $err) {
2294 fail "$file built with warnings" and return 0;
2304 sub apply_min_config {
2305 my $outconfig = "$output_config.new";
2307 # Read the config file and remove anything that
2308 # is in the force_config hash (from minconfig and others)
2309 # then add the force config back.
2311 doprint "Applying minimum configurations into $output_config.new\n";
2313 open (OUT, ">$outconfig") or
2314 dodie "Can't create $outconfig";
2316 if (-f $output_config) {
2317 open (IN, $output_config) or
2318 dodie "Failed to open $output_config";
2320 if (/^(# )?(CONFIG_[^\s=]*)/) {
2321 next if (defined($force_config{$2}));
2327 foreach my $config (keys %force_config) {
2328 print OUT "$force_config{$config}\n";
2332 run_command "mv $outconfig $output_config";
2335 sub make_oldconfig {
2337 my @force_list = keys %force_config;
2339 if ($#force_list >= 0) {
2343 if (!run_command "$make olddefconfig") {
2344 # Perhaps olddefconfig doesn't exist in this version of the kernel
2346 doprint "olddefconfig failed, trying make oldnoconfig\n";
2347 if (!run_command "$make oldnoconfig") {
2348 doprint "oldnoconfig failed, trying yes '' | make oldconfig\n";
2349 # try a yes '' | oldconfig
2350 run_command "yes '' | $make oldconfig" or
2351 dodie "failed make config oldconfig";
2356 # read a config file and use this to force new configs.
2357 sub load_force_config {
2360 doprint "Loading force configs from $config\n";
2361 open(IN, $config) or
2362 dodie "failed to read $config";
2365 if (/^(CONFIG[^\s=]*)(\s*=.*)/) {
2366 $force_config{$1} = $_;
2367 } elsif (/^# (CONFIG_\S*) is not set/) {
2368 $force_config{$1} = $_;
2379 my $start_time = time;
2381 # Failed builds should not reboot the target
2382 my $save_no_reboot = $no_reboot;
2385 # Calculate a new version from here.
2388 if (defined($pre_build)) {
2389 my $ret = run_command $pre_build;
2390 if (!$ret && defined($pre_build_die) &&
2392 dodie "failed to pre_build\n";
2396 if ($type =~ /^useconfig:(.*)/) {
2397 run_command "cp $1 $output_config" or
2398 dodie "could not copy $1 to .config";
2400 $type = "oldconfig";
2403 # old config can ask questions
2404 if ($type eq "oldconfig") {
2405 $type = "olddefconfig";
2407 # allow for empty configs
2408 run_command "touch $output_config";
2411 run_command "mv $output_config $outputdir/config_temp" or
2412 dodie "moving .config";
2414 run_command "$make mrproper" or dodie "make mrproper";
2416 run_command "mv $outputdir/config_temp $output_config" or
2417 dodie "moving config_temp";
2420 } elsif (!$noclean) {
2421 unlink "$output_config";
2422 run_command "$make mrproper" or
2423 dodie "make mrproper";
2426 # add something to distinguish this build
2427 open(OUT, "> $outputdir/localversion") or dodie("Can't make localversion file");
2428 print OUT "$localversion\n";
2431 if (defined($minconfig)) {
2432 load_force_config($minconfig);
2435 if ($type ne "olddefconfig") {
2436 run_command "$make $type" or
2437 dodie "failed make config";
2439 # Run old config regardless, to enforce min configurations
2442 my $build_ret = run_command "$make $build_options", $buildlog;
2444 if (defined($post_build)) {
2445 # Because a post build may change the kernel version
2448 my $ret = run_command $post_build;
2449 if (!$ret && defined($post_build_die) &&
2451 dodie "failed to post_build\n";
2456 # bisect may need this to pass
2458 $no_reboot = $save_no_reboot;
2461 fail "failed build" and return 0;
2464 $no_reboot = $save_no_reboot;
2466 my $end_time = time;
2467 $build_time = $end_time - $start_time;
2473 if (!run_ssh "halt" or defined($power_off)) {
2474 if (defined($poweroff_after_halt)) {
2475 sleep $poweroff_after_halt;
2476 run_command "$power_off";
2480 run_command "$power_off";
2487 if (defined($post_test)) {
2488 run_command $post_test;
2495 if (defined($test_name)) {
2496 $name = " ($test_name)";
2501 doprint "\n\n*******************************************\n";
2502 doprint "*******************************************\n";
2503 doprint "KTEST RESULT: TEST $i$name SUCCESS!!!! **\n";
2504 doprint "*******************************************\n";
2505 doprint "*******************************************\n";
2507 if (defined($store_successes)) {
2508 save_logs "success", $store_successes;
2511 if ($i != $opt{"NUM_TESTS"} && !do_not_reboot) {
2512 doprint "Reboot and wait $sleep_time seconds\n";
2513 reboot_to_good $sleep_time;
2519 doprint "Pass, fail, or skip? [p/f/s]";
2522 if ($ans eq "p" || $ans eq "P") {
2524 } elsif ($ans eq "f" || $ans eq "F") {
2526 } elsif ($ans eq "s" || $ans eq "S") {
2529 print "Please answer 'p', 'f', or 's'\n";
2534 sub child_run_test {
2537 # child should have no power
2538 $reboot_on_error = 0;
2539 $poweroff_on_error = 0;
2540 $die_on_failure = 1;
2542 run_command $run_test, $testlog or $failed = 1;
2549 sub child_finished {
2559 my $bug_ignored = 0;
2561 my $start_time = time;
2565 doprint "run test $run_test\n";
2569 $SIG{CHLD} = qw(child_finished);
2573 child_run_test if (!$child_pid);
2578 $line = wait_for_input($monitor_fp, 1);
2579 if (defined($line)) {
2581 # we are not guaranteed to get a full line
2582 $full_line .= $line;
2585 if ($full_line =~ /call trace:/i) {
2586 if ($ignore_errors) {
2593 if ($full_line =~ /Kernel panic -/) {
2597 if ($line =~ /\n/) {
2601 } while (!$child_done && !$bug);
2603 if (!$bug && $bug_ignored) {
2604 doprint "WARNING: Call Trace detected but ignored due to IGNORE_ERRORS=1\n";
2608 my $failure_start = time;
2611 $line = wait_for_input($monitor_fp, 1);
2612 if (defined($line)) {
2616 if ($now - $failure_start >= $stop_after_failure) {
2619 } while (defined($line));
2621 doprint "Detected kernel crash!\n";
2622 # kill the child with extreme prejudice
2626 waitpid $child_pid, 0;
2629 my $end_time = time;
2630 $test_time = $end_time - $start_time;
2632 if (!$bug && $in_bisect) {
2633 if (defined($bisect_ret_good)) {
2634 if ($child_exit == $bisect_ret_good) {
2638 if (defined($bisect_ret_skip)) {
2639 if ($child_exit == $bisect_ret_skip) {
2643 if (defined($bisect_ret_abort)) {
2644 if ($child_exit == $bisect_ret_abort) {
2645 fail "test abort" and return -2;
2648 if (defined($bisect_ret_bad)) {
2649 if ($child_exit == $bisect_ret_skip) {
2653 if (defined($bisect_ret_default)) {
2654 if ($bisect_ret_default eq "good") {
2656 } elsif ($bisect_ret_default eq "bad") {
2658 } elsif ($bisect_ret_default eq "skip") {
2660 } elsif ($bisect_ret_default eq "abort") {
2663 fail "unknown default action: $bisect_ret_default"
2669 if ($bug || $child_exit) {
2670 return 0 if $in_bisect;
2671 fail "test failed" and return 0;
2676 sub run_git_bisect {
2679 doprint "$command ... ";
2681 my $output = `$command 2>&1`;
2688 dodie "Failed to git bisect";
2691 doprint "SUCCESS\n";
2692 if ($output =~ m/^(Bisecting: .*\(roughly \d+ steps?\))\s+\[([[:xdigit:]]+)\]/) {
2693 doprint "$1 [$2]\n";
2694 } elsif ($output =~ m/^([[:xdigit:]]+) is the first bad commit/) {
2695 $bisect_bad_commit = $1;
2696 doprint "Found bad commit... $1\n";
2699 # we already logged it, just print it now.
2707 doprint "Reboot and sleep $bisect_sleep_time seconds\n";
2708 reboot_to_good $bisect_sleep_time;
2711 # returns 1 on success, 0 on failure, -1 on skip
2712 sub run_bisect_test {
2713 my ($type, $buildtype) = @_;
2722 build $buildtype or $failed = 1;
2724 if ($type ne "build") {
2725 if ($failed && $bisect_skip) {
2729 dodie "Failed on build" if $failed;
2732 start_monitor_and_install or $failed = 1;
2734 if ($type ne "boot") {
2735 if ($failed && $bisect_skip) {
2741 dodie "Failed on boot" if $failed;
2743 do_run_test or $failed = 1;
2754 # reboot the box to a kernel we can ssh to
2755 if ($type ne "build") {
2765 my $buildtype = "oldconfig";
2767 # We should have a minconfig to use?
2768 if (defined($minconfig)) {
2769 $buildtype = "useconfig:$minconfig";
2772 # If the user sets bisect_tries to less than 1, then no tries
2776 # Still let the user manually decide that though.
2777 if ($bisect_tries < 1 && $bisect_manual) {
2778 $ret = answer_bisect;
2781 for (my $i = 0; $i < $bisect_tries; $i++) {
2782 if ($bisect_tries > 1) {
2784 doprint("Running bisect trial $t of $bisect_tries:\n");
2786 $ret = run_bisect_test $type, $buildtype;
2788 if ($bisect_manual) {
2789 $ret = answer_bisect;
2795 # Are we looking for where it worked, not failed?
2796 if ($reverse_bisect && $ret >= 0) {
2802 } elsif ($ret == 0) {
2804 } elsif ($bisect_skip) {
2805 doprint "HIT A BAD COMMIT ... SKIPPING\n";
2810 sub update_bisect_replay {
2811 my $tmp_log = "$tmpdir/ktest_bisect_log";
2812 run_command "git bisect log > $tmp_log" or
2813 die "can't create bisect log";
2822 die "BISECT_GOOD[$i] not defined\n" if (!defined($bisect_good));
2823 die "BISECT_BAD[$i] not defined\n" if (!defined($bisect_bad));
2824 die "BISECT_TYPE[$i] not defined\n" if (!defined($bisect_type));
2826 my $good = $bisect_good;
2827 my $bad = $bisect_bad;
2828 my $type = $bisect_type;
2829 my $start = $bisect_start;
2830 my $replay = $bisect_replay;
2831 my $start_files = $bisect_files;
2833 if (defined($start_files)) {
2834 $start_files = " -- " . $start_files;
2839 # convert to true sha1's
2840 $good = get_sha1($good);
2841 $bad = get_sha1($bad);
2843 if (defined($bisect_reverse) && $bisect_reverse == 1) {
2844 doprint "Performing a reverse bisect (bad is good, good is bad!)\n";
2845 $reverse_bisect = 1;
2847 $reverse_bisect = 0;
2850 # Can't have a test without having a test to run
2851 if ($type eq "test" && !defined($run_test)) {
2855 # Check if a bisect was running
2856 my $bisect_start_file = "$builddir/.git/BISECT_START";
2858 my $check = $bisect_check;
2859 my $do_check = defined($check) && $check ne "0";
2861 if ( -f $bisect_start_file ) {
2862 print "Bisect in progress found\n";
2864 print " If you say yes, then no checks of good or bad will be done\n";
2866 if (defined($replay)) {
2867 print "** BISECT_REPLAY is defined in config file **";
2868 print " Ignore config option and perform new git bisect log?\n";
2869 if (read_ync " (yes, no, or cancel) ") {
2870 $replay = update_bisect_replay;
2873 } elsif (read_yn "read git log and continue?") {
2874 $replay = update_bisect_replay;
2882 my $head = get_sha1("HEAD");
2884 if ($check ne "good") {
2885 doprint "TESTING BISECT BAD [$bad]\n";
2886 run_command "git checkout $bad" or
2887 die "Failed to checkout $bad";
2889 $result = run_bisect $type;
2891 if ($result ne "bad") {
2892 fail "Tested BISECT_BAD [$bad] and it succeeded" and return 0;
2896 if ($check ne "bad") {
2897 doprint "TESTING BISECT GOOD [$good]\n";
2898 run_command "git checkout $good" or
2899 die "Failed to checkout $good";
2901 $result = run_bisect $type;
2903 if ($result ne "good") {
2904 fail "Tested BISECT_GOOD [$good] and it failed" and return 0;
2908 # checkout where we started
2909 run_command "git checkout $head" or
2910 die "Failed to checkout $head";
2913 run_command "git bisect start$start_files" or
2914 dodie "could not start bisect";
2916 if (defined($replay)) {
2917 run_command "git bisect replay $replay" or
2918 dodie "failed to run replay";
2921 run_command "git bisect good $good" or
2922 dodie "could not set bisect good to $good";
2924 run_git_bisect "git bisect bad $bad" or
2925 dodie "could not set bisect bad to $bad";
2929 if (defined($start)) {
2930 run_command "git checkout $start" or
2931 dodie "failed to checkout $start";
2936 $result = run_bisect $type;
2937 $test = run_git_bisect "git bisect $result";
2941 run_command "git bisect log" or
2942 dodie "could not capture git bisect log";
2944 run_command "git bisect reset" or
2945 dodie "could not reset git bisect";
2947 doprint "Bad commit was [$bisect_bad_commit]\n";
2952 # config_ignore holds the configs that were set (or unset) for
2953 # a good config and we will ignore these configs for the rest
2954 # of a config bisect. These configs stay as they were.
2957 # config_set holds what all configs were set as.
2960 # config_off holds the set of configs that the bad config had disabled.
2961 # We need to record them and set them in the .config when running
2962 # olddefconfig, because olddefconfig keeps the defaults.
2965 # config_off_tmp holds a set of configs to turn off for now
2968 # config_list is the set of configs that are being tested
2974 sub assign_configs {
2975 my ($hash, $config) = @_;
2977 doprint "Reading configs from $config\n";
2980 or dodie "Failed to read $config";
2984 if (/^((CONFIG\S*)=.*)/) {
2986 } elsif (/^(# (CONFIG\S*) is not set)/) {
2994 sub process_config_ignore {
2997 assign_configs \%config_ignore, $config;
3000 sub get_dependencies {
3003 my $arr = $dependency{$config};
3004 if (!defined($arr)) {
3010 foreach my $dep (@{$arr}) {
3011 print "ADD DEP $dep\n";
3012 @deps = (@deps, get_dependencies $dep);
3019 my ($pc, $file) = @_;
3021 my %configs = %{$pc};
3023 doprint "Saving configs into $file\n";
3025 open(OUT, ">$file") or dodie "Can not write to $file";
3027 foreach my $config (keys %configs) {
3028 print OUT "$configs{$config}\n";
3034 my ($name, $pc) = @_;
3036 doprint "Creating old config from $name configs\n";
3038 save_config $pc, $output_config;
3043 # compare two config hashes, and return configs with different vals.
3044 # It returns B's config values, but you can use A to see what A was.
3045 sub diff_config_vals {
3048 # crappy Perl way to pass in hashes.
3054 foreach my $item (keys %a) {
3055 if (defined($b{$item}) && $b{$item} ne $a{$item}) {
3056 $ret{$item} = $b{$item};
3063 # compare two config hashes and return the configs in B but not A
3069 # crappy Perl way to pass in hashes.
3073 foreach my $item (keys %b) {
3074 if (!defined($a{$item})) {
3075 $ret{$item} = $b{$item};
3082 # return if two configs are equal or not
3083 # 0 is equal +1 b has something a does not
3084 # +1 if a and b have a different item.
3085 # -1 if a has something b does not
3086 sub compare_configs {
3091 # crappy Perl way to pass in hashes.
3095 foreach my $item (keys %b) {
3096 if (!defined($a{$item})) {
3099 if ($a{$item} ne $b{$item}) {
3104 foreach my $item (keys %a) {
3105 if (!defined($b{$item})) {
3113 sub run_config_bisect_test {
3116 my $ret = run_bisect_test $type, "oldconfig";
3118 if ($bisect_manual) {
3119 $ret = answer_bisect;
3125 sub process_failed {
3128 doprint "\n\n***************************************\n";
3129 doprint "Found bad config: $config\n";
3130 doprint "***************************************\n\n";
3133 # used for config bisecting
3137 sub process_new_config {
3138 my ($tc, $nc, $gc, $bc) = @_;
3140 my %tmp_config = %{$tc};
3141 my %good_configs = %{$gc};
3142 my %bad_configs = %{$bc};
3149 create_config "tmp_configs", \%tmp_config;
3150 assign_configs \%new_configs, $output_config;
3152 $ret = compare_configs \%new_configs, \%bad_configs;
3154 doprint "New config equals bad config, try next test\n";
3159 $ret = compare_configs \%new_configs, \%good_configs;
3161 doprint "New config equals good config, try next test\n";
3166 %{$nc} = %new_configs;
3171 sub run_config_bisect {
3172 my ($pgood, $pbad) = @_;
3174 my $type = $config_bisect_type;
3176 my %good_configs = %{$pgood};
3177 my %bad_configs = %{$pbad};
3179 my %diff_configs = diff_config_vals \%good_configs, \%bad_configs;
3180 my %b_configs = diff_configs \%good_configs, \%bad_configs;
3181 my %g_configs = diff_configs \%bad_configs, \%good_configs;
3183 my @diff_arr = keys %diff_configs;
3184 my $len_diff = $#diff_arr + 1;
3186 my @b_arr = keys %b_configs;
3187 my $len_b = $#b_arr + 1;
3189 my @g_arr = keys %g_configs;
3190 my $len_g = $#g_arr + 1;
3196 # First, lets get it down to a single subset.
3197 # Is the problem with a difference in values?
3198 # Is the problem with a missing config?
3199 # Is the problem with a config that breaks things?
3201 # Enable all of one set and see if we get a new bad
3204 # first set the good config to the bad values.
3206 doprint "d=$len_diff g=$len_g b=$len_b\n";
3208 # first lets enable things in bad config that are enabled in good config
3210 if ($len_diff > 0) {
3211 if ($len_b > 0 || $len_g > 0) {
3212 my %tmp_config = %bad_configs;
3214 doprint "Set tmp config to be bad config with good config values\n";
3215 foreach my $item (@diff_arr) {
3216 $tmp_config{$item} = $good_configs{$item};
3219 $runtest = process_new_config \%tmp_config, \%new_configs,
3220 \%good_configs, \%bad_configs;
3224 if (!$runtest && $len_diff > 0) {
3226 if ($len_diff == 1) {
3227 process_failed $diff_arr[0];
3230 my %tmp_config = %bad_configs;
3232 my $half = int($#diff_arr / 2);
3233 my @tophalf = @diff_arr[0 .. $half];
3235 doprint "Settings bisect with top half:\n";
3236 doprint "Set tmp config to be bad config with some good config values\n";
3237 foreach my $item (@tophalf) {
3238 $tmp_config{$item} = $good_configs{$item};
3241 $runtest = process_new_config \%tmp_config, \%new_configs,
3242 \%good_configs, \%bad_configs;
3245 my %tmp_config = %bad_configs;
3247 doprint "Try bottom half\n";
3249 my @bottomhalf = @diff_arr[$half+1 .. $#diff_arr];
3251 foreach my $item (@bottomhalf) {
3252 $tmp_config{$item} = $good_configs{$item};
3255 $runtest = process_new_config \%tmp_config, \%new_configs,
3256 \%good_configs, \%bad_configs;
3261 $ret = run_config_bisect_test $type;
3263 doprint "NEW GOOD CONFIG\n";
3264 %good_configs = %new_configs;
3265 run_command "mv $good_config ${good_config}.last";
3266 save_config \%good_configs, $good_config;
3267 %{$pgood} = %good_configs;
3269 doprint "NEW BAD CONFIG\n";
3270 %bad_configs = %new_configs;
3271 run_command "mv $bad_config ${bad_config}.last";
3272 save_config \%bad_configs, $bad_config;
3273 %{$pbad} = %bad_configs;
3278 fail "Hmm, need to do a mix match?\n";
3285 my $type = $config_bisect_type;
3288 $bad_config = $config_bisect;
3290 if (defined($config_bisect_good)) {
3291 $good_config = $config_bisect_good;
3292 } elsif (defined($minconfig)) {
3293 $good_config = $minconfig;
3295 doprint "No config specified, checking if defconfig works";
3296 $ret = run_bisect_test $type, "defconfig";
3298 fail "Have no good config to compare with, please set CONFIG_BISECT_GOOD";
3301 $good_config = $output_config;
3304 # we don't want min configs to cause issues here.
3305 doprint "Disabling 'MIN_CONFIG' for this test\n";
3312 doprint "Run good configs through make oldconfig\n";
3313 assign_configs \%tmp_configs, $good_config;
3314 create_config "$good_config", \%tmp_configs;
3315 assign_configs \%good_configs, $output_config;
3317 doprint "Run bad configs through make oldconfig\n";
3318 assign_configs \%tmp_configs, $bad_config;
3319 create_config "$bad_config", \%tmp_configs;
3320 assign_configs \%bad_configs, $output_config;
3322 $good_config = "$tmpdir/good_config";
3323 $bad_config = "$tmpdir/bad_config";
3325 save_config \%good_configs, $good_config;
3326 save_config \%bad_configs, $bad_config;
3329 if (defined($config_bisect_check) && $config_bisect_check ne "0") {
3330 if ($config_bisect_check ne "good") {
3331 doprint "Testing bad config\n";
3333 $ret = run_bisect_test $type, "useconfig:$bad_config";
3335 fail "Bad config succeeded when expected to fail!";
3339 if ($config_bisect_check ne "bad") {
3340 doprint "Testing good config\n";
3342 $ret = run_bisect_test $type, "useconfig:$good_config";
3344 fail "Good config failed when expected to succeed!";
3351 $ret = run_config_bisect \%good_configs, \%bad_configs;
3355 return $ret if ($ret < 0);
3360 sub patchcheck_reboot {
3361 doprint "Reboot and sleep $patchcheck_sleep_time seconds\n";
3362 reboot_to_good $patchcheck_sleep_time;
3368 die "PATCHCHECK_START[$i] not defined\n"
3369 if (!defined($patchcheck_start));
3370 die "PATCHCHECK_TYPE[$i] not defined\n"
3371 if (!defined($patchcheck_type));
3373 my $start = $patchcheck_start;
3375 my $cherry = $patchcheck_cherry;
3376 if (!defined($cherry)) {
3381 if (defined($patchcheck_end)) {
3382 $end = $patchcheck_end;
3384 die "PATCHCHECK_END must be defined with PATCHCHECK_CHERRY\n";
3387 # Get the true sha1's since we can use things like HEAD~3
3388 $start = get_sha1($start);
3389 $end = get_sha1($end);
3391 my $type = $patchcheck_type;
3393 # Can't have a test without having a test to run
3394 if ($type eq "test" && !defined($run_test)) {
3399 open (IN, "git cherry -v $start $end|") or
3400 dodie "could not get git list";
3402 open (IN, "git log --pretty=oneline $end|") or
3403 dodie "could not get git list";
3410 # git cherry adds a '+' we want to remove
3412 $list[$#list+1] = $_;
3413 last if (/^$start/);
3418 if ($list[$#list] !~ /^$start/) {
3419 fail "SHA1 $start not found";
3422 # go backwards in the list
3423 @list = reverse @list;
3426 doprint("Going to test the following commits:\n");
3427 foreach my $l (@list) {
3431 my $save_clean = $noclean;
3432 my %ignored_warnings;
3434 if (defined($ignore_warnings)) {
3435 foreach my $sha1 (split /\s+/, $ignore_warnings) {
3436 $ignored_warnings{$sha1} = 1;
3441 foreach my $item (@list) {
3443 $sha1 =~ s/^([[:xdigit:]]+).*/$1/;
3445 doprint "\nProcessing commit $item\n\n";
3447 run_command "git checkout $sha1" or
3448 die "Failed to checkout $sha1";
3450 # only clean on the first and last patch
3451 if ($item eq $list[0] ||
3452 $item eq $list[$#list]) {
3453 $noclean = $save_clean;
3458 if (defined($minconfig)) {
3459 build "useconfig:$minconfig" or return 0;
3461 # ?? no config to use?
3462 build "oldconfig" or return 0;
3465 # No need to do per patch checking if warnings file exists
3466 if (!defined($warnings_file) && !defined($ignored_warnings{$sha1})) {
3467 check_patch_buildlog $sha1 or return 0;
3470 check_buildlog or return 0;
3472 next if ($type eq "build");
3476 start_monitor_and_install or $failed = 1;
3478 if (!$failed && $type ne "boot"){
3479 do_run_test or $failed = 1;
3504 # $config depends on $dep
3505 my ($config, $dep) = @_;
3507 if (defined($depends{$config})) {
3508 $depends{$config} .= " " . $dep;
3510 $depends{$config} = $dep;
3513 # record the number of configs depending on $dep
3514 if (defined $depcount{$dep}) {
3517 $depcount{$dep} = 1;
3521 # taken from streamline_config.pl
3533 if (! -f $kconfig) {
3534 doprint "file $kconfig does not exist, skipping\n";
3538 open(KIN, "$kconfig")
3539 or die "Can't open $kconfig";
3543 # Make sure that lines ending with \ continue
3545 $_ = $line . " " . $_;
3556 # collect any Kconfig sources
3557 if (/^source\s*"(.*)"/) {
3558 $kconfigs[$#kconfigs+1] = $1;
3562 if (/^\s*(menu)?config\s+(\S+)\s*$/) {
3566 for (my $i = 0; $i < $iflevel; $i++) {
3567 add_dep $config, $ifdeps[$i];
3570 # collect the depends for the config
3571 } elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) {
3573 add_dep $config, $1;
3575 # Get the configs that select this config
3576 } elsif ($state eq "NEW" && /^\s*select\s+(\S+)/) {
3578 # selected by depends on config
3579 add_dep $1, $config;
3581 # Check for if statements
3582 } elsif (/^if\s+(.*\S)\s*$/) {
3584 # remove beginning and ending non text
3585 $deps =~ s/^[^a-zA-Z0-9_]*//;
3586 $deps =~ s/[^a-zA-Z0-9_]*$//;
3588 my @deps = split /[^a-zA-Z0-9_]+/, $deps;
3590 $ifdeps[$iflevel++] = join ':', @deps;
3592 } elsif (/^endif/) {
3594 $iflevel-- if ($iflevel);
3597 } elsif (/^\s*help\s*$/) {
3603 # read in any configs that were found.
3604 foreach $kconfig (@kconfigs) {
3605 if (!defined($read_kconfigs{$kconfig})) {
3606 $read_kconfigs{$kconfig} = 1;
3607 read_kconfig("$builddir/$kconfig");
3613 # find out which arch this is by the kconfig file
3614 open (IN, $output_config)
3615 or dodie "Failed to read $output_config";
3618 if (m,Linux/(\S+)\s+\S+\s+Kernel Configuration,) {
3625 if (!defined($arch)) {
3626 doprint "Could not find arch from config file\n";
3627 doprint "no dependencies used\n";
3631 # arch is really the subarch, we need to know
3632 # what directory to look at.
3633 if ($arch eq "i386" || $arch eq "x86_64") {
3635 } elsif ($arch =~ /^tile/) {
3639 my $kconfig = "$builddir/arch/$arch/Kconfig";
3641 if (! -f $kconfig && $arch =~ /\d$/) {
3643 # some subarchs have numbers, truncate them
3645 $kconfig = "$builddir/arch/$arch/Kconfig";
3646 if (! -f $kconfig) {
3647 doprint "No idea what arch dir $orig is for\n";
3648 doprint "no dependencies used\n";
3653 read_kconfig($kconfig);
3656 sub make_new_config {
3659 open (OUT, ">$output_config")
3660 or dodie "Failed to write $output_config";
3662 foreach my $config (@configs) {
3663 print OUT "$config\n";
3671 $config =~ s/CONFIG_//;
3679 my $kconfig = chomp_config $dep;
3681 $dep = $depends{"$kconfig"};
3683 # the dep string we have saves the dependencies as they
3684 # were found, including expressions like ! && ||. We
3685 # want to split this out into just an array of configs.
3687 my $valid = "A-Za-z_0-9";
3691 while ($dep =~ /[$valid]/) {
3693 if ($dep =~ /^[^$valid]*([$valid]+)/) {
3694 my $conf = "CONFIG_" . $1;
3696 $configs[$#configs + 1] = $conf;
3698 $dep =~ s/^[^$valid]*[$valid]+//;
3700 die "this should never happen";
3710 my %processed_configs;
3711 my %nochange_config;
3713 sub test_this_config {
3718 # if we already processed this config, skip it
3719 if (defined($processed_configs{$config})) {
3722 $processed_configs{$config} = 1;
3724 # if this config failed during this round, skip it
3725 if (defined($nochange_config{$config})) {
3729 my $kconfig = chomp_config $config;
3731 # Test dependencies first
3732 if (defined($depends{"$kconfig"})) {
3733 my @parents = get_depends $config;
3734 foreach my $parent (@parents) {
3735 # if the parent is in the min config, check it first
3736 next if (!defined($min_configs{$parent}));
3737 $found = test_this_config($parent);
3738 if (defined($found)) {
3744 # Remove this config from the list of configs
3745 # do a make olddefconfig and then read the resulting
3746 # .config to make sure it is missing the config that
3748 my %configs = %min_configs;
3749 delete $configs{$config};
3750 make_new_config ((values %configs), (values %keep_configs));
3753 assign_configs \%configs, $output_config;
3755 if (!defined($configs{$config}) || $configs{$config} =~ /^#/) {
3759 doprint "disabling config $config did not change .config\n";
3761 $nochange_config{$config} = 1;
3766 sub make_min_config {
3769 my $type = $minconfig_type;
3770 if ($type ne "boot" && $type ne "test") {
3771 fail "Invalid MIN_CONFIG_TYPE '$minconfig_type'\n" .
3772 " make_min_config works only with 'boot' and 'test'\n" and return;
3775 if (!defined($output_minconfig)) {
3776 fail "OUTPUT_MIN_CONFIG not defined" and return;
3779 # If output_minconfig exists, and the start_minconfig
3780 # came from min_config, than ask if we should use
3782 if (-f $output_minconfig && !$start_minconfig_defined) {
3783 print "$output_minconfig exists\n";
3784 if (!defined($use_output_minconfig)) {
3785 if (read_yn " Use it as minconfig?") {
3786 $start_minconfig = $output_minconfig;
3788 } elsif ($use_output_minconfig > 0) {
3789 doprint "Using $output_minconfig as MIN_CONFIG\n";
3790 $start_minconfig = $output_minconfig;
3792 doprint "Set to still use MIN_CONFIG as starting point\n";
3796 if (!defined($start_minconfig)) {
3797 fail "START_MIN_CONFIG or MIN_CONFIG not defined" and return;
3800 my $temp_config = "$tmpdir/temp_config";
3802 # First things first. We build an allnoconfig to find
3803 # out what the defaults are that we can't touch.
3804 # Some are selections, but we really can't handle selections.
3806 my $save_minconfig = $minconfig;
3809 run_command "$make allnoconfig" or return 0;
3813 process_config_ignore $output_config;
3815 undef %save_configs;
3818 if (defined($ignore_config)) {
3819 # make sure the file exists
3820 `touch $ignore_config`;
3821 assign_configs \%save_configs, $ignore_config;
3824 %keep_configs = %save_configs;
3826 doprint "Load initial configs from $start_minconfig\n";
3828 # Look at the current min configs, and save off all the
3829 # ones that were set via the allnoconfig
3830 assign_configs \%min_configs, $start_minconfig;
3832 my @config_keys = keys %min_configs;
3834 # All configs need a depcount
3835 foreach my $config (@config_keys) {
3836 my $kconfig = chomp_config $config;
3837 if (!defined $depcount{$kconfig}) {
3838 $depcount{$kconfig} = 0;
3842 # Remove anything that was set by the make allnoconfig
3843 # we shouldn't need them as they get set for us anyway.
3844 foreach my $config (@config_keys) {
3845 # Remove anything in the ignore_config
3846 if (defined($keep_configs{$config})) {
3847 my $file = $ignore_config;
3848 $file =~ s,.*/(.*?)$,$1,;
3849 doprint "$config set by $file ... ignored\n";
3850 delete $min_configs{$config};
3853 # But make sure the settings are the same. If a min config
3854 # sets a selection, we do not want to get rid of it if
3855 # it is not the same as what we have. Just move it into
3857 if (defined($config_ignore{$config})) {
3858 if ($config_ignore{$config} ne $min_configs{$config}) {
3859 doprint "$config is in allnoconfig as '$config_ignore{$config}'";
3860 doprint " but it is '$min_configs{$config}' in minconfig .. keeping\n";
3861 $keep_configs{$config} = $min_configs{$config};
3863 doprint "$config set by allnoconfig ... ignored\n";
3865 delete $min_configs{$config};
3877 # Now disable each config one by one and do a make oldconfig
3878 # till we find a config that changes our list.
3880 my @test_configs = keys %min_configs;
3882 # Sort keys by who is most dependent on
3883 @test_configs = sort { $depcount{chomp_config($b)} <=> $depcount{chomp_config($a)} }
3886 # Put configs that did not modify the config at the end.
3888 for (my $i = 0; $i < $#test_configs; $i++) {
3889 if (!defined($nochange_config{$test_configs[0]})) {
3893 # This config didn't change the .config last time.
3894 # Place it at the end
3895 my $config = shift @test_configs;
3896 push @test_configs, $config;
3899 # if every test config has failed to modify the .config file
3900 # in the past, then reset and start over.
3902 undef %nochange_config;
3905 undef %processed_configs;
3907 foreach my $config (@test_configs) {
3909 $found = test_this_config $config;
3911 last if (defined($found));
3913 # oh well, try another config
3916 if (!defined($found)) {
3917 # we could have failed due to the nochange_config hash
3918 # reset and try again
3920 undef %nochange_config;
3924 doprint "No more configs found that we can disable\n";
3932 doprint "Test with $config disabled\n";
3934 # set in_bisect to keep build and monitor from dieing
3938 build "oldconfig" or $failed = 1;
3940 start_monitor_and_install or $failed = 1;
3942 if ($type eq "test" && !$failed) {
3943 do_run_test or $failed = 1;
3952 doprint "$min_configs{$config} is needed to boot the box... keeping\n";
3953 # this config is needed, add it to the ignore list.
3954 $keep_configs{$config} = $min_configs{$config};
3955 $save_configs{$config} = $min_configs{$config};
3956 delete $min_configs{$config};
3958 # update new ignore configs
3959 if (defined($ignore_config)) {
3960 open (OUT, ">$temp_config")
3961 or die "Can't write to $temp_config";
3962 foreach my $config (keys %save_configs) {
3963 print OUT "$save_configs{$config}\n";
3966 run_command "mv $temp_config $ignore_config" or
3967 dodie "failed to copy update to $ignore_config";
3971 # We booted without this config, remove it from the minconfigs.
3972 doprint "$config is not needed, disabling\n";
3974 delete $min_configs{$config};
3976 # Also disable anything that is not enabled in this config
3978 assign_configs \%configs, $output_config;
3979 my @config_keys = keys %min_configs;
3980 foreach my $config (@config_keys) {
3981 if (!defined($configs{$config})) {
3982 doprint "$config is not set, disabling\n";
3983 delete $min_configs{$config};
3987 # Save off all the current mandidory configs
3988 open (OUT, ">$temp_config")
3989 or die "Can't write to $temp_config";
3990 foreach my $config (keys %keep_configs) {
3991 print OUT "$keep_configs{$config}\n";
3993 foreach my $config (keys %min_configs) {
3994 print OUT "$min_configs{$config}\n";
3998 run_command "mv $temp_config $output_minconfig" or
3999 dodie "failed to copy update to $output_minconfig";
4002 doprint "Reboot and wait $sleep_time seconds\n";
4003 reboot_to_good $sleep_time;
4010 sub make_warnings_file {
4013 if (!defined($warnings_file)) {
4014 dodie "Must define WARNINGS_FILE for make_warnings_file test";
4017 if ($build_type eq "nobuild") {
4018 dodie "BUILD_TYPE can not be 'nobuild' for make_warnings_file test";
4021 build $build_type or dodie "Failed to build";
4023 open(OUT, ">$warnings_file") or dodie "Can't create $warnings_file";
4025 open(IN, $buildlog) or dodie "Can't open $buildlog";
4028 # Some compilers use UTF-8 extended for quotes
4029 # for distcc heterogeneous systems, this causes issues
4032 if (/$check_build_re/) {
4043 $#ARGV < 1 or die "ktest.pl version: $VERSION\n usage: ktest.pl [config-file]\n";
4046 $ktest_config = $ARGV[0];
4047 if (! -f $ktest_config) {
4048 print "$ktest_config does not exist.\n";
4049 if (!read_yn "Create it?") {
4055 if (! -f $ktest_config) {
4058 open(OUT, ">$ktest_config") or die "Can not create $ktest_config";
4060 # Generated by ktest.pl
4063 # PWD is a ktest.pl variable that will result in the process working
4064 # directory that ktest.pl is executed in.
4066 # THIS_DIR is automatically assigned the PWD of the path that generated
4067 # the config file. It is best to use this variable when assigning other
4068 # directory paths within this directory. This allows you to easily
4069 # move the test cases to other locations or to other machines.
4071 THIS_DIR := $variable{"PWD"}
4073 # Define each test with TEST_START
4074 # The config options below it will override the defaults
4076 TEST_TYPE = $default{"TEST_TYPE"}
4083 read_config $ktest_config;
4085 if (defined($opt{"LOG_FILE"})) {
4086 $opt{"LOG_FILE"} = eval_option("LOG_FILE", $opt{"LOG_FILE"}, -1);
4089 # Append any configs entered in manually to the config file.
4090 my @new_configs = keys %entered_configs;
4091 if ($#new_configs >= 0) {
4092 print "\nAppending entered in configs to $ktest_config\n";
4093 open(OUT, ">>$ktest_config") or die "Can not append to $ktest_config";
4094 foreach my $config (@new_configs) {
4095 print OUT "$config = $entered_configs{$config}\n";
4096 $opt{$config} = process_variables($entered_configs{$config});
4100 if ($opt{"CLEAR_LOG"} && defined($opt{"LOG_FILE"})) {
4101 unlink $opt{"LOG_FILE"};
4104 doprint "\n\nSTARTING AUTOMATED TESTS\n\n";
4106 for (my $i = 0, my $repeat = 1; $i <= $opt{"NUM_TESTS"}; $i += $repeat) {
4109 doprint "DEFAULT OPTIONS:\n";
4111 doprint "\nTEST $i OPTIONS";
4112 if (defined($repeat_tests{$i})) {
4113 $repeat = $repeat_tests{$i};
4114 doprint " ITERATE $repeat";
4119 foreach my $option (sort keys %opt) {
4121 if ($option =~ /\[(\d+)\]$/) {
4127 doprint "$option = $opt{$option}\n";
4131 sub option_defined {
4134 if (defined($opt{$option}) && $opt{$option} !~ /^\s*$/) {
4141 sub __set_test_option {
4142 my ($name, $i) = @_;
4144 my $option = "$name\[$i\]";
4146 if (option_defined($option)) {
4147 return $opt{$option};
4150 foreach my $test (keys %repeat_tests) {
4152 $i < $test + $repeat_tests{$test}) {
4153 $option = "$name\[$test\]";
4154 if (option_defined($option)) {
4155 return $opt{$option};
4160 if (option_defined($name)) {
4167 sub set_test_option {
4168 my ($name, $i) = @_;
4170 my $option = __set_test_option($name, $i);
4171 return $option if (!defined($option));
4173 return eval_option($name, $option, $i);
4176 # First we need to do is the builds
4177 for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
4179 # Do not reboot on failing test options
4181 $reboot_success = 0;
4192 undef %force_config;
4194 my $makecmd = set_test_option("MAKE_CMD", $i);
4196 $outputdir = set_test_option("OUTPUT_DIR", $i);
4197 $builddir = set_test_option("BUILD_DIR", $i);
4199 chdir $builddir || die "can't change directory to $builddir";
4201 if (!-d $outputdir) {
4202 mkpath($outputdir) or
4203 die "can't create $outputdir";
4206 $make = "$makecmd O=$outputdir";
4208 # Load all the options into their mapped variable names
4209 foreach my $opt (keys %option_map) {
4210 ${$option_map{$opt}} = set_test_option($opt, $i);
4213 $start_minconfig_defined = 1;
4215 # The first test may override the PRE_KTEST option
4216 if (defined($pre_ktest) && $i == 1) {
4218 run_command $pre_ktest;
4221 # Any test can override the POST_KTEST option
4222 # The last test takes precedence.
4223 if (defined($post_ktest)) {
4224 $final_post_ktest = $post_ktest;
4227 if (!defined($start_minconfig)) {
4228 $start_minconfig_defined = 0;
4229 $start_minconfig = $minconfig;
4234 die "can't create $tmpdir";
4237 $ENV{"SSH_USER"} = $ssh_user;
4238 $ENV{"MACHINE"} = $machine;
4240 $buildlog = "$tmpdir/buildlog-$machine";
4241 $testlog = "$tmpdir/testlog-$machine";
4242 $dmesg = "$tmpdir/dmesg-$machine";
4243 $output_config = "$outputdir/.config";
4246 $target = "$ssh_user\@$machine";
4247 if ($reboot_type eq "grub") {
4248 dodie "GRUB_MENU not defined" if (!defined($grub_menu));
4249 } elsif ($reboot_type eq "grub2") {
4250 dodie "GRUB_MENU not defined" if (!defined($grub_menu));
4251 dodie "GRUB_FILE not defined" if (!defined($grub_file));
4252 } elsif ($reboot_type eq "syslinux") {
4253 dodie "SYSLINUX_LABEL not defined" if (!defined($syslinux_label));
4257 my $run_type = $build_type;
4258 if ($test_type eq "patchcheck") {
4259 $run_type = $patchcheck_type;
4260 } elsif ($test_type eq "bisect") {
4261 $run_type = $bisect_type;
4262 } elsif ($test_type eq "config_bisect") {
4263 $run_type = $config_bisect_type;
4264 } elsif ($test_type eq "make_min_config") {
4266 } elsif ($test_type eq "make_warnings_file") {
4270 # mistake in config file?
4271 if (!defined($run_type)) {
4272 $run_type = "ERROR";
4276 $installme = " no_install" if ($no_install);
4280 if (defined($test_name)) {
4281 $name = " ($test_name)";
4285 doprint "RUNNING TEST $i of $opt{NUM_TESTS}$name with option $test_type $run_type$installme\n\n";
4287 if (defined($pre_test)) {
4288 run_command $pre_test;
4295 if (defined($addconfig)) {
4296 my $min = $minconfig;
4297 if (!defined($minconfig)) {
4300 run_command "cat $addconfig $min > $tmpdir/add_config" or
4301 dodie "Failed to create temp config";
4302 $minconfig = "$tmpdir/add_config";
4305 if (defined($checkout)) {
4306 run_command "git checkout $checkout" or
4307 die "failed to checkout $checkout";
4312 # A test may opt to not reboot the box
4313 if ($reboot_on_success) {
4314 $reboot_success = 1;
4317 if ($test_type eq "bisect") {
4320 } elsif ($test_type eq "config_bisect") {
4323 } elsif ($test_type eq "patchcheck") {
4326 } elsif ($test_type eq "make_min_config") {
4329 } elsif ($test_type eq "make_warnings_file") {
4331 make_warnings_file $i;
4335 if ($build_type ne "nobuild") {
4336 build $build_type or next;
4337 check_buildlog or next;
4340 if ($test_type eq "install") {
4347 if ($test_type ne "build") {
4349 start_monitor_and_install or $failed = 1;
4351 if (!$failed && $test_type ne "boot" && defined($run_test)) {
4352 do_run_test or $failed = 1;
4366 if (defined($final_post_ktest)) {
4367 run_command $final_post_ktest;
4370 if ($opt{"POWEROFF_ON_SUCCESS"}) {
4372 } elsif ($opt{"REBOOT_ON_SUCCESS"} && !do_not_reboot && $reboot_success) {
4374 } elsif (defined($switch_to_good)) {
4375 # still need to get to the good kernel
4376 run_command $switch_to_good;
4380 doprint "\n $successes of $opt{NUM_TESTS} tests were successful\n\n";