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);
24 $default{"NUM_TESTS"} = 1;
25 $default{"REBOOT_TYPE"} = "grub";
26 $default{"TEST_TYPE"} = "test";
27 $default{"BUILD_TYPE"} = "randconfig";
28 $default{"MAKE_CMD"} = "make";
29 $default{"TIMEOUT"} = 120;
30 $default{"TMP_DIR"} = "/tmp/ktest/\${MACHINE}";
31 $default{"SLEEP_TIME"} = 60; # sleep time between tests
32 $default{"BUILD_NOCLEAN"} = 0;
33 $default{"REBOOT_ON_ERROR"} = 0;
34 $default{"POWEROFF_ON_ERROR"} = 0;
35 $default{"REBOOT_ON_SUCCESS"} = 1;
36 $default{"POWEROFF_ON_SUCCESS"} = 0;
37 $default{"BUILD_OPTIONS"} = "";
38 $default{"BISECT_SLEEP_TIME"} = 60; # sleep time between bisects
39 $default{"PATCHCHECK_SLEEP_TIME"} = 60; # sleep time between patch checks
40 $default{"CLEAR_LOG"} = 0;
41 $default{"BISECT_MANUAL"} = 0;
42 $default{"BISECT_SKIP"} = 1;
43 $default{"SUCCESS_LINE"} = "login:";
44 $default{"DETECT_TRIPLE_FAULT"} = 1;
45 $default{"BOOTED_TIMEOUT"} = 1;
46 $default{"DIE_ON_FAILURE"} = 1;
47 $default{"SSH_EXEC"} = "ssh \$SSH_USER\@\$MACHINE \$SSH_COMMAND";
48 $default{"SCP_TO_TARGET"} = "scp \$SRC_FILE \$SSH_USER\@\$MACHINE:\$DST_FILE";
49 $default{"REBOOT"} = "ssh \$SSH_USER\@\$MACHINE reboot";
50 $default{"STOP_AFTER_SUCCESS"} = 10;
51 $default{"STOP_AFTER_FAILURE"} = 60;
52 $default{"STOP_TEST_AFTER"} = 600;
53 $default{"LOCALVERSION"} = "-test";
75 my $poweroff_on_error;
77 my $powercycle_after_reboot;
78 my $poweroff_after_halt;
90 my $start_minconfig_defined;
99 my $config_bisect_good;
100 my $in_patchcheck = 0;
109 my $bisect_sleep_time;
110 my $patchcheck_sleep_time;
116 my $detect_triplefault;
119 my $stop_after_success;
120 my $stop_after_failure;
133 $config_help{"MACHINE"} = << "EOF"
134 The machine hostname that you will test.
137 $config_help{"SSH_USER"} = << "EOF"
138 The box is expected to have ssh on normal bootup, provide the user
139 (most likely root, since you need privileged operations)
142 $config_help{"BUILD_DIR"} = << "EOF"
143 The directory that contains the Linux source code (full path).
146 $config_help{"OUTPUT_DIR"} = << "EOF"
147 The directory that the objects will be built (full path).
148 (can not be same as BUILD_DIR)
151 $config_help{"BUILD_TARGET"} = << "EOF"
152 The location of the compiled file to copy to the target.
153 (relative to OUTPUT_DIR)
156 $config_help{"TARGET_IMAGE"} = << "EOF"
157 The place to put your image on the test machine.
160 $config_help{"POWER_CYCLE"} = << "EOF"
161 A script or command to reboot the box.
163 Here is a digital loggers power switch example
164 POWER_CYCLE = wget --no-proxy -O /dev/null -q --auth-no-challenge 'http://admin:admin\@power/outlet?5=CCL'
166 Here is an example to reboot a virtual box on the current host
167 with the name "Guest".
168 POWER_CYCLE = virsh destroy Guest; sleep 5; virsh start Guest
171 $config_help{"CONSOLE"} = << "EOF"
172 The script or command that reads the console
174 If you use ttywatch server, something like the following would work.
175 CONSOLE = nc -d localhost 3001
177 For a virtual machine with guest name "Guest".
178 CONSOLE = virsh console Guest
181 $config_help{"LOCALVERSION"} = << "EOF"
182 Required version ending to differentiate the test
183 from other linux builds on the system.
186 $config_help{"REBOOT_TYPE"} = << "EOF"
187 Way to reboot the box to the test kernel.
188 Only valid options so far are "grub" and "script".
190 If you specify grub, it will assume grub version 1
191 and will search in /boot/grub/menu.lst for the title \$GRUB_MENU
192 and select that target to reboot to the kernel. If this is not
193 your setup, then specify "script" and have a command or script
194 specified in REBOOT_SCRIPT to boot to the target.
196 The entry in /boot/grub/menu.lst must be entered in manually.
197 The test will not modify that file.
200 $config_help{"GRUB_MENU"} = << "EOF"
201 The grub title name for the test kernel to boot
202 (Only mandatory if REBOOT_TYPE = grub)
204 Note, ktest.pl will not update the grub menu.lst, you need to
205 manually add an option for the test. ktest.pl will search
206 the grub menu.lst for this option to find what kernel to
209 For example, if in the /boot/grub/menu.lst the test kernel title has:
212 GRUB_MENU = Test Kernel
215 $config_help{"REBOOT_SCRIPT"} = << "EOF"
216 A script to reboot the target into the test kernel
217 (Only mandatory if REBOOT_TYPE = script)
227 print "$prompt [Y/n] ";
230 if ($ans =~ /^\s*$/) {
233 last if ($ans =~ /^y$/i || $ans =~ /^n$/i);
234 print "Please answer either 'y' or 'n'.\n";
236 if ($ans !~ /^y$/i) {
242 sub get_ktest_config {
245 return if (defined($opt{$config}));
247 if (defined($config_help{$config})) {
249 print $config_help{$config};
254 if (defined($default{$config})) {
255 print "\[$default{$config}\] ";
257 $entered_configs{$config} = <STDIN>;
258 $entered_configs{$config} =~ s/^\s*(.*\S)\s*$/$1/;
259 if ($entered_configs{$config} =~ /^\s*$/) {
260 if ($default{$config}) {
261 $entered_configs{$config} = $default{$config};
263 print "Your answer can not be blank\n";
271 sub get_ktest_configs {
272 get_ktest_config("MACHINE");
273 get_ktest_config("SSH_USER");
274 get_ktest_config("BUILD_DIR");
275 get_ktest_config("OUTPUT_DIR");
276 get_ktest_config("BUILD_TARGET");
277 get_ktest_config("TARGET_IMAGE");
278 get_ktest_config("POWER_CYCLE");
279 get_ktest_config("CONSOLE");
280 get_ktest_config("LOCALVERSION");
282 my $rtype = $opt{"REBOOT_TYPE"};
284 if (!defined($rtype)) {
285 if (!defined($opt{"GRUB_MENU"})) {
286 get_ktest_config("REBOOT_TYPE");
287 $rtype = $entered_configs{"REBOOT_TYPE"};
293 if ($rtype eq "grub") {
294 get_ktest_config("GRUB_MENU");
296 get_ktest_config("REBOOT_SCRIPT");
300 sub process_variables {
304 # We want to check for '\', and it is just easier
305 # to check the previous characet of '$' and not need
306 # to worry if '$' is the first character. By adding
307 # a space to $value, we can just check [^\\]\$ and
308 # it will still work.
311 while ($value =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
315 # append beginning of value to retval
316 $retval = "$retval$begin";
317 if (defined($variable{$var})) {
318 $retval = "$retval$variable{$var}";
320 # put back the origin piece.
321 $retval = "$retval\$\{$var\}";
325 $retval = "$retval$value";
327 # remove the space added in the beginning
334 my ($lvalue, $rvalue) = @_;
336 if (defined($opt{$lvalue})) {
337 die "Error: Option $lvalue defined more than once!\n";
339 if ($rvalue =~ /^\s*$/) {
340 delete $opt{$lvalue};
342 $rvalue = process_variables($rvalue);
343 $opt{$lvalue} = $rvalue;
348 my ($lvalue, $rvalue) = @_;
350 if ($rvalue =~ /^\s*$/) {
351 delete $variable{$lvalue};
353 $rvalue = process_variables($rvalue);
354 $variable{$lvalue} = $rvalue;
361 open(IN, $config) || die "can't read file $config";
364 $name =~ s,.*/(.*),$1,;
369 my $num_tests_set = 0;
376 # ignore blank lines and comments
377 next if (/^\s*$/ || /\s*\#/);
379 if (/^\s*TEST_START(.*)/) {
383 if ($num_tests_set) {
384 die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
387 my $old_test_num = $test_num;
388 my $old_repeat = $repeat;
390 $test_num += $repeat;
394 if ($rest =~ /\s+SKIP(.*)/) {
402 if ($rest =~ /\s+ITERATE\s+(\d+)(.*)$/) {
405 $repeat_tests{"$test_num"} = $repeat;
408 if ($rest =~ /\s+SKIP(.*)/) {
413 if ($rest !~ /^\s*$/) {
414 die "$name: $.: Gargbage found after TEST_START\n$_";
418 $test_num = $old_test_num;
419 $repeat = $old_repeat;
422 } elsif (/^\s*DEFAULTS(.*)$/) {
427 if ($rest =~ /\s+SKIP(.*)/) {
434 if ($rest !~ /^\s*$/) {
435 die "$name: $.: Gargbage found after DEFAULTS\n$_";
438 } elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(.*?)\s*$/) {
446 ($lvalue eq "NUM_TESTS" ||
447 $lvalue eq "LOG_FILE" ||
448 $lvalue eq "CLEAR_LOG")) {
449 die "$name: $.: $lvalue must be set in DEFAULTS section\n";
452 if ($lvalue eq "NUM_TESTS") {
454 die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
457 die "$name: $.: NUM_TESTS must be set in default section\n";
462 if ($default || $lvalue =~ /\[\d+\]$/) {
463 set_value($lvalue, $rvalue);
465 my $val = "$lvalue\[$test_num\]";
466 set_value($val, $rvalue);
469 $repeats{$val} = $repeat;
472 } elsif (/^\s*([A-Z_\[\]\d]+)\s*:=\s*(.*?)\s*$/) {
478 # process config variables.
479 # Config variables are only active while reading the
480 # config and can be defined anywhere. They also ignore
481 # TEST_START and DEFAULTS, but are skipped if they are in
482 # on of these sections that have SKIP defined.
483 # The save variable can be
484 # defined multiple times and the new one simply overrides
486 set_variable($lvalue, $rvalue);
489 die "$name: $.: Garbage found in config\n$_";
496 $test_num += $repeat - 1;
497 $opt{"NUM_TESTS"} = $test_num;
500 # make sure we have all mandatory configs
503 # was a test specified?
505 print "No test case specified.\n";
506 print "What test case would you like to run?\n";
509 $default{"TEST_TYPE"} = $ans;
514 foreach my $default (keys %default) {
515 if (!defined($opt{$default})) {
516 $opt{$default} = $default{$default};
522 my ($option, $i) = @_;
524 # Add space to evaluate the character before $
525 $option = " $option";
528 while ($option =~ /(.*?[^\\])\$\{(.*?)\}(.*)/) {
533 # Append beginning of line
534 $retval = "$retval$start";
536 # If the iteration option OPT[$i] exists, then use that.
537 # otherwise see if the default OPT (without [$i]) exists.
539 my $o = "$var\[$i\]";
541 if (defined($opt{$o})) {
543 $retval = "$retval$o";
544 } elsif (defined($opt{$var})) {
546 $retval = "$retval$o";
548 $retval = "$retval\$\{$var\}";
554 $retval = "$retval$option";
562 my ($option, $i) = @_;
566 # Since an option can evaluate to another option,
567 # keep iterating until we do not evaluate any more
570 while ($prev ne $option) {
571 # Check for recursive evaluations.
572 # 100 deep should be more than enough.
574 die "Over 100 evaluations accurred with $option\n" .
575 "Check for recursive variables\n";
578 $option = __eval_option($option, $i);
585 if (defined($opt{"LOG_FILE"})) {
586 open(OUT, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}";
593 if (defined($opt{"LOG_FILE"})) {
608 # try to reboot normally
609 if (run_command $reboot) {
610 if (defined($powercycle_after_reboot)) {
611 sleep $powercycle_after_reboot;
612 run_command "$power_cycle";
615 # nope? power cycle it.
616 run_command "$power_cycle";
623 return $test_type eq "build" ||
624 ($test_type eq "patchcheck" && $opt{"PATCHCHECK_TYPE[$i]"} eq "build") ||
625 ($test_type eq "bisect" && $opt{"BISECT_TYPE[$i]"} eq "build");
629 doprint "CRITICAL FAILURE... ", @_, "\n";
633 if ($reboot_on_error && !do_not_reboot) {
635 doprint "REBOOTING\n";
638 } elsif ($poweroff_on_error && defined($power_off)) {
639 doprint "POWERING OFF\n";
643 if (defined($opt{"LOG_FILE"})) {
644 print " See $opt{LOG_FILE} for more info.\n";
655 my $pid = open($fp, "$console|") or
656 dodie "Can't open console $console";
658 $flags = fcntl($fp, F_GETFL, 0) or
659 dodie "Can't get flags for the socket: $!";
660 $flags = fcntl($fp, F_SETFL, $flags | O_NONBLOCK) or
661 dodie "Can't set flags for the socket: $!";
669 doprint "kill child process $pid\n";
677 if ($monitor_cnt++) {
680 $monitor_fp = \*MONFD;
681 $monitor_pid = open_console $monitor_fp;
685 open(MONFD, "Stop perl from warning about single use of MONFD");
689 if (--$monitor_cnt) {
692 close_console($monitor_fp, $monitor_pid);
695 sub wait_for_monitor {
699 doprint "** Wait for monitor to settle down **\n";
701 # read the monitor and wait for the system to calm down
703 $line = wait_for_input($monitor_fp, $time);
704 print "$line" if (defined($line));
705 } while (defined($line));
706 print "** Monitor flushed **\n";
711 if ($die_on_failure) {
719 # no need to reboot for just building.
720 if (!do_not_reboot) {
721 doprint "REBOOTING\n";
724 wait_for_monitor $sleep_time;
730 if (defined($test_name)) {
731 $name = " ($test_name)";
734 doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
735 doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
736 doprint "KTEST RESULT: TEST $i$name Failed: ", @_, "\n";
737 doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
738 doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
740 return 1 if (!defined($store_failures));
743 my $date = sprintf "%04d%02d%02d%02d%02d%02d",
744 1900+$t[5],$t[4],$t[3],$t[2],$t[1],$t[0];
746 my $type = $build_type;
747 if ($type =~ /useconfig/) {
751 my $dir = "$machine-$test_type-$type-fail-$date";
752 my $faildir = "$store_failures/$dir";
756 die "can't create $faildir";
758 if (-f "$output_config") {
759 cp "$output_config", "$faildir/config" or
760 die "failed to copy .config";
763 cp $buildlog, "$faildir/buildlog" or
764 die "failed to move $buildlog";
767 cp $dmesg, "$faildir/dmesg" or
768 die "failed to move $dmesg";
771 doprint "*** Saved info to $faildir ***\n";
782 $command =~ s/\$SSH_USER/$ssh_user/g;
783 $command =~ s/\$MACHINE/$machine/g;
785 doprint("$command ... ");
787 $pid = open(CMD, "$command 2>&1 |") or
788 (fail "unable to exec $command" and return 0);
790 if (defined($opt{"LOG_FILE"})) {
791 open(LOG, ">>$opt{LOG_FILE}") or
792 dodie "failed to write to log";
796 if (defined($redirect)) {
797 open (RD, ">$redirect") or
798 dodie "failed to write to redirect $redirect";
803 print LOG if ($dolog);
811 close(LOG) if ($dolog);
812 close(RD) if ($dord);
825 my $cp_exec = $ssh_exec;
827 $cp_exec =~ s/\$SSH_COMMAND/$cmd/g;
828 return run_command "$cp_exec";
832 my ($src, $dst) = @_;
833 my $cp_scp = $scp_to_target;
835 $cp_scp =~ s/\$SRC_FILE/$src/g;
836 $cp_scp =~ s/\$DST_FILE/$dst/g;
838 return run_command "$cp_scp";
843 if ($reboot_type ne "grub") {
846 return if (defined($grub_number));
848 doprint "Find grub menu ... ";
851 my $ssh_grub = $ssh_exec;
852 $ssh_grub =~ s,\$SSH_COMMAND,cat /boot/grub/menu.lst,g;
854 open(IN, "$ssh_grub |")
855 or die "unable to get menu.lst";
858 if (/^\s*title\s+$grub_menu\s*$/) {
861 } elsif (/^\s*title\s/) {
867 die "Could not find '$grub_menu' in /boot/grub/menu on $machine"
868 if ($grub_number < 0);
869 doprint "$grub_number\n";
874 my ($fp, $time) = @_;
880 if (!defined($time)) {
885 vec($rin, fileno($fp), 1) = 1;
886 $ready = select($rin, undef, undef, $time);
890 # try to read one char at a time
891 while (sysread $fp, $ch, 1) {
893 last if ($ch eq "\n");
896 if (!length($line)) {
904 if ($reboot_type eq "grub") {
905 run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch && reboot)'";
909 run_command "$reboot_script";
915 doprint "git rev-list --max-count=1 $commit ... ";
916 my $sha1 = `git rev-list --max-count=1 $commit`;
923 dodie "Failed to get git $commit";
936 my $skip_call_trace = 0;
944 open(DMESG, "> $dmesg") or
945 die "unable to write to $dmesg";
951 my $monitor_start = time;
953 my $version_found = 0;
957 if ($bug && defined($stop_after_failure) &&
958 $stop_after_failure >= 0) {
959 my $time = $stop_after_failure - (time - $failure_start);
960 $line = wait_for_input($monitor_fp, $time);
961 if (!defined($line)) {
962 doprint "bug timed out after $booted_timeout seconds\n";
963 doprint "Test forced to stop after $stop_after_failure seconds after failure\n";
967 $line = wait_for_input($monitor_fp, $booted_timeout);
968 if (!defined($line)) {
969 my $s = $booted_timeout == 1 ? "" : "s";
970 doprint "Successful boot found: break after $booted_timeout second$s\n";
974 $line = wait_for_input($monitor_fp);
975 if (!defined($line)) {
976 my $s = $timeout == 1 ? "" : "s";
977 doprint "Timed out after $timeout second$s\n";
985 # we are not guaranteed to get a full line
988 if ($full_line =~ /$success_line/) {
990 $success_start = time;
993 if ($booted && defined($stop_after_success) &&
994 $stop_after_success >= 0) {
996 if ($now - $success_start >= $stop_after_success) {
997 doprint "Test forced to stop after $stop_after_success seconds after success\n";
1002 if ($full_line =~ /\[ backtrace testing \]/) {
1003 $skip_call_trace = 1;
1006 if ($full_line =~ /call trace:/i) {
1007 if (!$bug && !$skip_call_trace) {
1009 $failure_start = time;
1013 if ($bug && defined($stop_after_failure) &&
1014 $stop_after_failure >= 0) {
1016 if ($now - $failure_start >= $stop_after_failure) {
1017 doprint "Test forced to stop after $stop_after_failure seconds after failure\n";
1022 if ($full_line =~ /\[ end of backtrace testing \]/) {
1023 $skip_call_trace = 0;
1026 if ($full_line =~ /Kernel panic -/) {
1027 $failure_start = time;
1031 # Detect triple faults by testing the banner
1032 if ($full_line =~ /\bLinux version (\S+).*\n/) {
1033 if ($1 eq $version) {
1035 } elsif ($version_found && $detect_triplefault) {
1036 # We already booted into the kernel we are testing,
1037 # but now we booted into another kernel?
1038 # Consider this a triple fault.
1039 doprint "Aleady booted in Linux kernel $version, but now\n";
1040 doprint "we booted into Linux kernel $1.\n";
1041 doprint "Assuming that this is a triple fault.\n";
1042 doprint "To disable this: set DETECT_TRIPLE_FAULT to 0\n";
1047 if ($line =~ /\n/) {
1051 if ($stop_test_after > 0 && !$booted && !$bug) {
1052 if (time - $monitor_start > $stop_test_after) {
1053 doprint "STOP_TEST_AFTER ($stop_test_after seconds) timed out\n";
1062 return 0 if ($in_bisect);
1063 fail "failed - got a bug report" and return 0;
1067 return 0 if ($in_bisect);
1068 fail "failed - never got a boot prompt." and return 0;
1074 sub do_post_install {
1076 return if (!defined($post_install));
1078 my $cp_post_install = $post_install;
1079 $cp_post_install =~ s/\$KERNEL_VERSION/$version/g;
1080 run_command "$cp_post_install" or
1081 dodie "Failed to run post install";
1086 run_scp "$outputdir/$build_target", "$target_image" or
1087 dodie "failed to copy image";
1089 my $install_mods = 0;
1091 # should we process modules?
1093 open(IN, "$output_config") or dodie("Can't read config file");
1095 if (/CONFIG_MODULES(=y)?/) {
1096 $install_mods = 1 if (defined($1));
1102 if (!$install_mods) {
1104 doprint "No modules needed\n";
1108 run_command "$make INSTALL_MOD_PATH=$tmpdir modules_install" or
1109 dodie "Failed to install modules";
1111 my $modlib = "/lib/modules/$version";
1112 my $modtar = "ktest-mods.tar.bz2";
1114 run_ssh "rm -rf $modlib" or
1115 dodie "failed to remove old mods: $modlib";
1117 # would be nice if scp -r did not follow symbolic links
1118 run_command "cd $tmpdir && tar -cjf $modtar lib/modules/$version" or
1119 dodie "making tarball";
1121 run_scp "$tmpdir/$modtar", "/tmp" or
1122 dodie "failed to copy modules";
1124 unlink "$tmpdir/$modtar";
1126 run_ssh "'(cd / && tar xjf /tmp/$modtar)'" or
1127 dodie "failed to tar modules";
1129 run_ssh "rm -f /tmp/$modtar";
1135 # get the release name
1136 doprint "$make kernelrelease ... ";
1137 $version = `$make kernelrelease | tail -1`;
1139 doprint "$version\n";
1142 sub start_monitor_and_boot {
1151 sub check_buildlog {
1154 my @files = `git show $patch | diffstat -l`;
1156 open(IN, "git show $patch |") or
1157 dodie "failed to show $patch";
1159 if (m,^--- a/(.*),) {
1161 $files[$#files] = $1;
1166 open(IN, $buildlog) or dodie "Can't open $buildlog";
1168 if (/^\s*(.*?):.*(warning|error)/) {
1170 foreach my $file (@files) {
1171 my $fullpath = "$builddir/$file";
1172 if ($file eq $err || $fullpath eq $err) {
1173 fail "$file built with warnings" and return 0;
1183 sub apply_min_config {
1184 my $outconfig = "$output_config.new";
1186 # Read the config file and remove anything that
1187 # is in the force_config hash (from minconfig and others)
1188 # then add the force config back.
1190 doprint "Applying minimum configurations into $output_config.new\n";
1192 open (OUT, ">$outconfig") or
1193 dodie "Can't create $outconfig";
1195 if (-f $output_config) {
1196 open (IN, $output_config) or
1197 dodie "Failed to open $output_config";
1199 if (/^(# )?(CONFIG_[^\s=]*)/) {
1200 next if (defined($force_config{$2}));
1206 foreach my $config (keys %force_config) {
1207 print OUT "$force_config{$config}\n";
1211 run_command "mv $outconfig $output_config";
1214 sub make_oldconfig {
1216 my @force_list = keys %force_config;
1218 if ($#force_list >= 0) {
1222 if (!run_command "$make oldnoconfig") {
1223 # Perhaps oldnoconfig doesn't exist in this version of the kernel
1224 # try a yes '' | oldconfig
1225 doprint "oldnoconfig failed, trying yes '' | make oldconfig\n";
1226 run_command "yes '' | $make oldconfig" or
1227 dodie "failed make config oldconfig";
1231 # read a config file and use this to force new configs.
1232 sub load_force_config {
1235 open(IN, $config) or
1236 dodie "failed to read $config";
1239 if (/^(CONFIG[^\s=]*)(\s*=.*)/) {
1240 $force_config{$1} = $_;
1241 } elsif (/^# (CONFIG_\S*) is not set/) {
1242 $force_config{$1} = $_;
1253 if (defined($pre_build)) {
1254 my $ret = run_command $pre_build;
1255 if (!$ret && defined($pre_build_die) &&
1257 dodie "failed to pre_build\n";
1261 if ($type =~ /^useconfig:(.*)/) {
1262 run_command "cp $1 $output_config" or
1263 dodie "could not copy $1 to .config";
1265 $type = "oldconfig";
1268 # old config can ask questions
1269 if ($type eq "oldconfig") {
1270 $type = "oldnoconfig";
1272 # allow for empty configs
1273 run_command "touch $output_config";
1275 run_command "mv $output_config $outputdir/config_temp" or
1276 dodie "moving .config";
1278 if (!$noclean && !run_command "$make mrproper") {
1279 dodie "make mrproper";
1282 run_command "mv $outputdir/config_temp $output_config" or
1283 dodie "moving config_temp";
1285 } elsif (!$noclean) {
1286 unlink "$output_config";
1287 run_command "$make mrproper" or
1288 dodie "make mrproper";
1291 # add something to distinguish this build
1292 open(OUT, "> $outputdir/localversion") or dodie("Can't make localversion file");
1293 print OUT "$localversion\n";
1296 if (defined($minconfig)) {
1297 load_force_config($minconfig);
1300 if ($type ne "oldnoconfig") {
1301 run_command "$make $type" or
1302 dodie "failed make config";
1304 # Run old config regardless, to enforce min configurations
1307 $redirect = "$buildlog";
1308 my $build_ret = run_command "$make $build_options";
1311 if (defined($post_build)) {
1312 my $ret = run_command $post_build;
1313 if (!$ret && defined($post_build_die) &&
1315 dodie "failed to post_build\n";
1320 # bisect may need this to pass
1321 return 0 if ($in_bisect);
1322 fail "failed build" and return 0;
1329 if (!run_ssh "halt" or defined($power_off)) {
1330 if (defined($poweroff_after_halt)) {
1331 sleep $poweroff_after_halt;
1332 run_command "$power_off";
1336 run_command "$power_off";
1347 if (defined($test_name)) {
1348 $name = " ($test_name)";
1351 doprint "\n\n*******************************************\n";
1352 doprint "*******************************************\n";
1353 doprint "KTEST RESULT: TEST $i$name SUCCESS!!!! **\n";
1354 doprint "*******************************************\n";
1355 doprint "*******************************************\n";
1357 if ($i != $opt{"NUM_TESTS"} && !do_not_reboot) {
1358 doprint "Reboot and wait $sleep_time seconds\n";
1361 wait_for_monitor $sleep_time;
1368 doprint "Pass or fail? [p/f]";
1371 if ($ans eq "p" || $ans eq "P") {
1373 } elsif ($ans eq "f" || $ans eq "F") {
1376 print "Please answer 'P' or 'F'\n";
1381 sub child_run_test {
1384 # child should have no power
1385 $reboot_on_error = 0;
1386 $poweroff_on_error = 0;
1387 $die_on_failure = 1;
1389 run_command $run_test or $failed = 1;
1395 sub child_finished {
1408 doprint "run test $run_test\n";
1412 $SIG{CHLD} = qw(child_finished);
1416 child_run_test if (!$child_pid);
1421 $line = wait_for_input($monitor_fp, 1);
1422 if (defined($line)) {
1424 # we are not guaranteed to get a full line
1425 $full_line .= $line;
1428 if ($full_line =~ /call trace:/i) {
1432 if ($full_line =~ /Kernel panic -/) {
1436 if ($line =~ /\n/) {
1440 } while (!$child_done && !$bug);
1443 my $failure_start = time;
1446 $line = wait_for_input($monitor_fp, 1);
1447 if (defined($line)) {
1451 if ($now - $failure_start >= $stop_after_failure) {
1454 } while (defined($line));
1456 doprint "Detected kernel crash!\n";
1457 # kill the child with extreme prejudice
1461 waitpid $child_pid, 0;
1464 if ($bug || $child_exit) {
1465 return 0 if $in_bisect;
1466 fail "test failed" and return 0;
1471 sub run_git_bisect {
1474 doprint "$command ... ";
1476 my $output = `$command 2>&1`;
1483 dodie "Failed to git bisect";
1486 doprint "SUCCESS\n";
1487 if ($output =~ m/^(Bisecting: .*\(roughly \d+ steps?\))\s+\[([[:xdigit:]]+)\]/) {
1488 doprint "$1 [$2]\n";
1489 } elsif ($output =~ m/^([[:xdigit:]]+) is the first bad commit/) {
1491 doprint "Found bad commit... $1\n";
1494 # we already logged it, just print it now.
1502 doprint "Reboot and sleep $bisect_sleep_time seconds\n";
1505 wait_for_monitor $bisect_sleep_time;
1509 # returns 1 on success, 0 on failure, -1 on skip
1510 sub run_bisect_test {
1511 my ($type, $buildtype) = @_;
1520 build $buildtype or $failed = 1;
1522 if ($type ne "build") {
1523 if ($failed && $bisect_skip) {
1527 dodie "Failed on build" if $failed;
1530 start_monitor_and_boot or $failed = 1;
1532 if ($type ne "boot") {
1533 if ($failed && $bisect_skip) {
1539 dodie "Failed on boot" if $failed;
1541 do_run_test or $failed = 1;
1552 # reboot the box to a kernel we can ssh to
1553 if ($type ne "build") {
1563 my $buildtype = "oldconfig";
1565 # We should have a minconfig to use?
1566 if (defined($minconfig)) {
1567 $buildtype = "useconfig:$minconfig";
1570 my $ret = run_bisect_test $type, $buildtype;
1572 if ($bisect_manual) {
1573 $ret = answer_bisect;
1576 # Are we looking for where it worked, not failed?
1577 if ($reverse_bisect) {
1583 } elsif ($ret == 0) {
1585 } elsif ($bisect_skip) {
1586 doprint "HIT A BAD COMMIT ... SKIPPING\n";
1596 die "BISECT_GOOD[$i] not defined\n" if (!defined($opt{"BISECT_GOOD[$i]"}));
1597 die "BISECT_BAD[$i] not defined\n" if (!defined($opt{"BISECT_BAD[$i]"}));
1598 die "BISECT_TYPE[$i] not defined\n" if (!defined($opt{"BISECT_TYPE[$i]"}));
1600 my $good = $opt{"BISECT_GOOD[$i]"};
1601 my $bad = $opt{"BISECT_BAD[$i]"};
1602 my $type = $opt{"BISECT_TYPE[$i]"};
1603 my $start = $opt{"BISECT_START[$i]"};
1604 my $replay = $opt{"BISECT_REPLAY[$i]"};
1605 my $start_files = $opt{"BISECT_FILES[$i]"};
1607 if (defined($start_files)) {
1608 $start_files = " -- " . $start_files;
1613 # convert to true sha1's
1614 $good = get_sha1($good);
1615 $bad = get_sha1($bad);
1617 if (defined($opt{"BISECT_REVERSE[$i]"}) &&
1618 $opt{"BISECT_REVERSE[$i]"} == 1) {
1619 doprint "Performing a reverse bisect (bad is good, good is bad!)\n";
1620 $reverse_bisect = 1;
1622 $reverse_bisect = 0;
1625 # Can't have a test without having a test to run
1626 if ($type eq "test" && !defined($run_test)) {
1630 my $check = $opt{"BISECT_CHECK[$i]"};
1631 if (defined($check) && $check ne "0") {
1634 my $head = get_sha1("HEAD");
1636 if ($check ne "good") {
1637 doprint "TESTING BISECT BAD [$bad]\n";
1638 run_command "git checkout $bad" or
1639 die "Failed to checkout $bad";
1641 $result = run_bisect $type;
1643 if ($result ne "bad") {
1644 fail "Tested BISECT_BAD [$bad] and it succeeded" and return 0;
1648 if ($check ne "bad") {
1649 doprint "TESTING BISECT GOOD [$good]\n";
1650 run_command "git checkout $good" or
1651 die "Failed to checkout $good";
1653 $result = run_bisect $type;
1655 if ($result ne "good") {
1656 fail "Tested BISECT_GOOD [$good] and it failed" and return 0;
1660 # checkout where we started
1661 run_command "git checkout $head" or
1662 die "Failed to checkout $head";
1665 run_command "git bisect start$start_files" or
1666 dodie "could not start bisect";
1668 run_command "git bisect good $good" or
1669 dodie "could not set bisect good to $good";
1671 run_git_bisect "git bisect bad $bad" or
1672 dodie "could not set bisect bad to $bad";
1674 if (defined($replay)) {
1675 run_command "git bisect replay $replay" or
1676 dodie "failed to run replay";
1679 if (defined($start)) {
1680 run_command "git checkout $start" or
1681 dodie "failed to checkout $start";
1686 $result = run_bisect $type;
1687 $test = run_git_bisect "git bisect $result";
1690 run_command "git bisect log" or
1691 dodie "could not capture git bisect log";
1693 run_command "git bisect reset" or
1694 dodie "could not reset git bisect";
1696 doprint "Bad commit was [$bisect_bad]\n";
1709 sub assign_configs {
1710 my ($hash, $config) = @_;
1713 or dodie "Failed to read $config";
1716 if (/^((CONFIG\S*)=.*)/) {
1724 sub process_config_ignore {
1727 assign_configs \%config_ignore, $config;
1730 sub read_current_config {
1731 my ($config_ref) = @_;
1733 %{$config_ref} = ();
1734 undef %{$config_ref};
1736 my @key = keys %{$config_ref};
1738 print "did not delete!\n";
1741 open (IN, "$output_config");
1744 if (/^(CONFIG\S+)=(.*)/) {
1745 ${$config_ref}{$1} = $2;
1751 sub get_dependencies {
1754 my $arr = $dependency{$config};
1755 if (!defined($arr)) {
1761 foreach my $dep (@{$arr}) {
1762 print "ADD DEP $dep\n";
1763 @deps = (@deps, get_dependencies $dep);
1772 open(OUT, ">$output_config") or dodie "Can not write to $output_config";
1774 foreach my $config (@configs) {
1775 print OUT "$config_set{$config}\n";
1776 my @deps = get_dependencies $config;
1777 foreach my $dep (@deps) {
1778 print OUT "$config_set{$dep}\n";
1782 foreach my $config (keys %config_ignore) {
1783 print OUT "$config_ignore{$config}\n";
1791 sub compare_configs {
1794 foreach my $item (keys %a) {
1795 if (!defined($b{$item})) {
1796 print "diff $item\n";
1804 print "diff2 $keys[0]\n";
1806 return -1 if ($#keys >= 0);
1811 sub run_config_bisect_test {
1814 return run_bisect_test $type, "oldconfig";
1817 sub process_passed {
1820 doprint "These configs had no failure: (Enabling them for further compiles)\n";
1821 # Passed! All these configs are part of a good compile.
1822 # Add them to the min options.
1823 foreach my $config (keys %configs) {
1824 if (defined($config_list{$config})) {
1825 doprint " removing $config\n";
1826 $config_ignore{$config} = $config_list{$config};
1827 delete $config_list{$config};
1830 doprint "config copied to $outputdir/config_good\n";
1831 run_command "cp -f $output_config $outputdir/config_good";
1834 sub process_failed {
1837 doprint "\n\n***************************************\n";
1838 doprint "Found bad config: $config\n";
1839 doprint "***************************************\n\n";
1842 sub run_config_bisect {
1844 my @start_list = keys %config_list;
1846 if ($#start_list < 0) {
1847 doprint "No more configs to test!!!\n";
1851 doprint "***** RUN TEST ***\n";
1852 my $type = $opt{"CONFIG_BISECT_TYPE[$iteration]"};
1856 my $count = $#start_list + 1;
1857 doprint " $count configs to test\n";
1859 my $half = int($#start_list / 2);
1862 my @tophalf = @start_list[0 .. $half];
1864 create_config @tophalf;
1865 read_current_config \%current_config;
1867 $count = $#tophalf + 1;
1868 doprint "Testing $count configs\n";
1870 # make sure we test something
1871 foreach my $config (@tophalf) {
1872 if (defined($current_config{$config})) {
1878 # try the other half
1879 doprint "Top half produced no set configs, trying bottom half\n";
1880 @tophalf = @start_list[$half + 1 .. $#start_list];
1881 create_config @tophalf;
1882 read_current_config \%current_config;
1883 foreach my $config (@tophalf) {
1884 if (defined($current_config{$config})) {
1890 doprint "Failed: Can't make new config with current configs\n";
1891 foreach my $config (@start_list) {
1892 doprint " CONFIG: $config\n";
1896 $count = $#tophalf + 1;
1897 doprint "Testing $count configs\n";
1900 $ret = run_config_bisect_test $type;
1901 if ($bisect_manual) {
1902 $ret = answer_bisect;
1905 process_passed %current_config;
1909 doprint "This config had a failure.\n";
1910 doprint "Removing these configs that were not set in this config:\n";
1911 doprint "config copied to $outputdir/config_bad\n";
1912 run_command "cp -f $output_config $outputdir/config_bad";
1914 # A config exists in this group that was bad.
1915 foreach my $config (keys %config_list) {
1916 if (!defined($current_config{$config})) {
1917 doprint " removing $config\n";
1918 delete $config_list{$config};
1922 @start_list = @tophalf;
1924 if ($#start_list == 0) {
1925 process_failed $start_list[0];
1929 # remove half the configs we are looking at and see if
1931 $half = int($#start_list / 2);
1932 } while ($#start_list > 0);
1934 # we found a single config, try it again unless we are running manually
1936 if ($bisect_manual) {
1937 process_failed $start_list[0];
1941 my @tophalf = @start_list[0 .. 0];
1943 $ret = run_config_bisect_test $type;
1945 process_passed %current_config;
1949 process_failed $start_list[0];
1956 my $start_config = $opt{"CONFIG_BISECT[$i]"};
1958 my $tmpconfig = "$tmpdir/use_config";
1960 if (defined($config_bisect_good)) {
1961 process_config_ignore $config_bisect_good;
1964 # Make the file with the bad config and the min config
1965 if (defined($minconfig)) {
1966 # read the min config for things to ignore
1967 run_command "cp $minconfig $tmpconfig" or
1968 dodie "failed to copy $minconfig to $tmpconfig";
1973 if (-f $tmpconfig) {
1974 load_force_config($tmpconfig);
1975 process_config_ignore $tmpconfig;
1978 # now process the start config
1979 run_command "cp $start_config $output_config" or
1980 dodie "failed to copy $start_config to $output_config";
1982 # read directly what we want to check
1984 open (IN, $output_config)
1985 or dodie "faied to open $output_config";
1988 if (/^((CONFIG\S*)=.*)/) {
1989 $config_check{$2} = $1;
1994 # Now run oldconfig with the minconfig
1997 # check to see what we lost (or gained)
1998 open (IN, $output_config)
1999 or dodie "Failed to read $start_config";
2001 my %removed_configs;
2005 if (/^((CONFIG\S*)=.*)/) {
2006 # save off all options
2007 $config_set{$2} = $1;
2008 if (defined($config_check{$2})) {
2009 if (defined($config_ignore{$2})) {
2010 $removed_configs{$2} = $1;
2012 $config_list{$2} = $1;
2014 } elsif (!defined($config_ignore{$2})) {
2015 $added_configs{$2} = $1;
2016 $config_list{$2} = $1;
2022 my @confs = keys %removed_configs;
2024 doprint "Configs overridden by default configs and removed from check:\n";
2025 foreach my $config (@confs) {
2026 doprint " $config\n";
2029 @confs = keys %added_configs;
2031 doprint "Configs appearing in make oldconfig and added:\n";
2032 foreach my $config (@confs) {
2033 doprint " $config\n";
2040 # Sometimes kconfig does weird things. We must make sure
2041 # that the config we autocreate has everything we need
2042 # to test, otherwise we may miss testing configs, or
2043 # may not be able to create a new config.
2044 # Here we create a config with everything set.
2045 create_config (keys %config_list);
2046 read_current_config \%config_test;
2047 foreach my $config (keys %config_list) {
2048 if (!defined($config_test{$config})) {
2051 doprint "Configs not produced by kconfig (will not be checked):\n";
2053 doprint " $config\n";
2054 delete $config_list{$config};
2059 $ret = run_config_bisect;
2062 return $ret if ($ret < 0);
2067 sub patchcheck_reboot {
2068 doprint "Reboot and sleep $patchcheck_sleep_time seconds\n";
2071 wait_for_monitor $patchcheck_sleep_time;
2078 die "PATCHCHECK_START[$i] not defined\n"
2079 if (!defined($opt{"PATCHCHECK_START[$i]"}));
2080 die "PATCHCHECK_TYPE[$i] not defined\n"
2081 if (!defined($opt{"PATCHCHECK_TYPE[$i]"}));
2083 my $start = $opt{"PATCHCHECK_START[$i]"};
2086 if (defined($opt{"PATCHCHECK_END[$i]"})) {
2087 $end = $opt{"PATCHCHECK_END[$i]"};
2090 # Get the true sha1's since we can use things like HEAD~3
2091 $start = get_sha1($start);
2092 $end = get_sha1($end);
2094 my $type = $opt{"PATCHCHECK_TYPE[$i]"};
2096 # Can't have a test without having a test to run
2097 if ($type eq "test" && !defined($run_test)) {
2101 open (IN, "git log --pretty=oneline $end|") or
2102 dodie "could not get git list";
2108 $list[$#list+1] = $_;
2109 last if (/^$start/);
2113 if ($list[$#list] !~ /^$start/) {
2114 fail "SHA1 $start not found";
2117 # go backwards in the list
2118 @list = reverse @list;
2120 my $save_clean = $noclean;
2121 my %ignored_warnings;
2123 if (defined($ignore_warnings)) {
2124 foreach my $sha1 (split /\s+/, $ignore_warnings) {
2125 $ignored_warnings{$sha1} = 1;
2130 foreach my $item (@list) {
2132 $sha1 =~ s/^([[:xdigit:]]+).*/$1/;
2134 doprint "\nProcessing commit $item\n\n";
2136 run_command "git checkout $sha1" or
2137 die "Failed to checkout $sha1";
2139 # only clean on the first and last patch
2140 if ($item eq $list[0] ||
2141 $item eq $list[$#list]) {
2142 $noclean = $save_clean;
2147 if (defined($minconfig)) {
2148 build "useconfig:$minconfig" or return 0;
2150 # ?? no config to use?
2151 build "oldconfig" or return 0;
2155 if (!defined($ignored_warnings{$sha1})) {
2156 check_buildlog $sha1 or return 0;
2159 next if ($type eq "build");
2163 start_monitor_and_boot or $failed = 1;
2165 if (!$failed && $type ne "boot"){
2166 do_run_test or $failed = 1;
2169 return 0 if ($failed);
2187 # taken from streamline_config.pl
2199 if (! -f $kconfig) {
2200 doprint "file $kconfig does not exist, skipping\n";
2204 open(KIN, "$kconfig")
2205 or die "Can't open $kconfig";
2209 # Make sure that lines ending with \ continue
2211 $_ = $line . " " . $_;
2222 # collect any Kconfig sources
2223 if (/^source\s*"(.*)"/) {
2224 $kconfigs[$#kconfigs+1] = $1;
2228 if (/^\s*(menu)?config\s+(\S+)\s*$/) {
2232 for (my $i = 0; $i < $iflevel; $i++) {
2234 $depends{$config} .= " " . $ifdeps[$i];
2236 $depends{$config} = $ifdeps[$i];
2241 # collect the depends for the config
2242 } elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) {
2244 if (defined($depends{$1})) {
2245 $depends{$config} .= " " . $1;
2247 $depends{$config} = $1;
2250 # Get the configs that select this config
2251 } elsif ($state ne "NONE" && /^\s*select\s+(\S+)/) {
2252 if (defined($depends{$1})) {
2253 $depends{$1} .= " " . $config;
2255 $depends{$1} = $config;
2258 # Check for if statements
2259 } elsif (/^if\s+(.*\S)\s*$/) {
2261 # remove beginning and ending non text
2262 $deps =~ s/^[^a-zA-Z0-9_]*//;
2263 $deps =~ s/[^a-zA-Z0-9_]*$//;
2265 my @deps = split /[^a-zA-Z0-9_]+/, $deps;
2267 $ifdeps[$iflevel++] = join ':', @deps;
2269 } elsif (/^endif/) {
2271 $iflevel-- if ($iflevel);
2274 } elsif (/^\s*help\s*$/) {
2280 # read in any configs that were found.
2281 foreach $kconfig (@kconfigs) {
2282 if (!defined($read_kconfigs{$kconfig})) {
2283 $read_kconfigs{$kconfig} = 1;
2284 read_kconfig("$builddir/$kconfig");
2290 # find out which arch this is by the kconfig file
2291 open (IN, $output_config)
2292 or dodie "Failed to read $output_config";
2295 if (m,Linux/(\S+)\s+\S+\s+Kernel Configuration,) {
2302 if (!defined($arch)) {
2303 doprint "Could not find arch from config file\n";
2304 doprint "no dependencies used\n";
2308 # arch is really the subarch, we need to know
2309 # what directory to look at.
2310 if ($arch eq "i386" || $arch eq "x86_64") {
2312 } elsif ($arch =~ /^tile/) {
2316 my $kconfig = "$builddir/arch/$arch/Kconfig";
2318 if (! -f $kconfig && $arch =~ /\d$/) {
2320 # some subarchs have numbers, truncate them
2322 $kconfig = "$builddir/arch/$arch/Kconfig";
2323 if (! -f $kconfig) {
2324 doprint "No idea what arch dir $orig is for\n";
2325 doprint "no dependencies used\n";
2330 read_kconfig($kconfig);
2333 sub read_config_list {
2337 or dodie "Failed to read $config";
2340 if (/^((CONFIG\S*)=.*)/) {
2341 if (!defined($config_ignore{$2})) {
2342 $config_list{$2} = $1;
2350 sub read_output_config {
2353 assign_configs \%config_ignore, $config;
2356 sub make_new_config {
2359 open (OUT, ">$output_config")
2360 or dodie "Failed to write $output_config";
2362 foreach my $config (@configs) {
2363 print OUT "$config\n";
2372 $kconfig =~ s/CONFIG_//;
2374 $dep = $depends{"$kconfig"};
2376 # the dep string we have saves the dependencies as they
2377 # were found, including expressions like ! && ||. We
2378 # want to split this out into just an array of configs.
2380 my $valid = "A-Za-z_0-9";
2384 while ($dep =~ /[$valid]/) {
2386 if ($dep =~ /^[^$valid]*([$valid]+)/) {
2387 my $conf = "CONFIG_" . $1;
2389 $configs[$#configs + 1] = $conf;
2391 $dep =~ s/^[^$valid]*[$valid]+//;
2393 die "this should never happen";
2403 my %processed_configs;
2404 my %nochange_config;
2406 sub test_this_config {
2411 # if we already processed this config, skip it
2412 if (defined($processed_configs{$config})) {
2415 $processed_configs{$config} = 1;
2417 # if this config failed during this round, skip it
2418 if (defined($nochange_config{$config})) {
2422 my $kconfig = $config;
2423 $kconfig =~ s/CONFIG_//;
2425 # Test dependencies first
2426 if (defined($depends{"$kconfig"})) {
2427 my @parents = get_depends $config;
2428 foreach my $parent (@parents) {
2429 # if the parent is in the min config, check it first
2430 next if (!defined($min_configs{$parent}));
2431 $found = test_this_config($parent);
2432 if (defined($found)) {
2438 # Remove this config from the list of configs
2439 # do a make oldnoconfig and then read the resulting
2440 # .config to make sure it is missing the config that
2442 my %configs = %min_configs;
2443 delete $configs{$config};
2444 make_new_config ((values %configs), (values %keep_configs));
2447 assign_configs \%configs, $output_config;
2449 return $config if (!defined($configs{$config}));
2451 doprint "disabling config $config did not change .config\n";
2453 $nochange_config{$config} = 1;
2458 sub make_min_config {
2461 if (!defined($output_minconfig)) {
2462 fail "OUTPUT_MIN_CONFIG not defined" and return;
2465 # If output_minconfig exists, and the start_minconfig
2466 # came from min_config, than ask if we should use
2468 if (-f $output_minconfig && !$start_minconfig_defined) {
2469 print "$output_minconfig exists\n";
2470 if (read_yn " Use it as minconfig?") {
2471 $start_minconfig = $output_minconfig;
2475 if (!defined($start_minconfig)) {
2476 fail "START_MIN_CONFIG or MIN_CONFIG not defined" and return;
2479 my $temp_config = "$tmpdir/temp_config";
2481 # First things first. We build an allnoconfig to find
2482 # out what the defaults are that we can't touch.
2483 # Some are selections, but we really can't handle selections.
2485 my $save_minconfig = $minconfig;
2488 run_command "$make allnoconfig" or return 0;
2492 process_config_ignore $output_config;
2494 undef %save_configs;
2497 if (defined($ignore_config)) {
2498 # make sure the file exists
2499 `touch $ignore_config`;
2500 assign_configs \%save_configs, $ignore_config;
2503 %keep_configs = %save_configs;
2505 doprint "Load initial configs from $start_minconfig\n";
2507 # Look at the current min configs, and save off all the
2508 # ones that were set via the allnoconfig
2509 assign_configs \%min_configs, $start_minconfig;
2511 my @config_keys = keys %min_configs;
2513 # Remove anything that was set by the make allnoconfig
2514 # we shouldn't need them as they get set for us anyway.
2515 foreach my $config (@config_keys) {
2516 # Remove anything in the ignore_config
2517 if (defined($keep_configs{$config})) {
2518 my $file = $ignore_config;
2519 $file =~ s,.*/(.*?)$,$1,;
2520 doprint "$config set by $file ... ignored\n";
2521 delete $min_configs{$config};
2524 # But make sure the settings are the same. If a min config
2525 # sets a selection, we do not want to get rid of it if
2526 # it is not the same as what we have. Just move it into
2528 if (defined($config_ignore{$config})) {
2529 if ($config_ignore{$config} ne $min_configs{$config}) {
2530 doprint "$config is in allnoconfig as '$config_ignore{$config}'";
2531 doprint " but it is '$min_configs{$config}' in minconfig .. keeping\n";
2532 $keep_configs{$config} = $min_configs{$config};
2534 doprint "$config set by allnoconfig ... ignored\n";
2536 delete $min_configs{$config};
2548 # Now disable each config one by one and do a make oldconfig
2549 # till we find a config that changes our list.
2551 # Put configs that did not modify the config at the end.
2552 my @test_configs = keys %min_configs;
2554 for (my $i = 0; $i < $#test_configs; $i++) {
2555 if (!defined($nochange_config{$test_configs[0]})) {
2559 # This config didn't change the .config last time.
2560 # Place it at the end
2561 my $config = shift @test_configs;
2562 push @test_configs, $config;
2565 # if every test config has failed to modify the .config file
2566 # in the past, then reset and start over.
2568 undef %nochange_config;
2571 undef %processed_configs;
2573 foreach my $config (@test_configs) {
2575 $found = test_this_config $config;
2577 last if (defined($found));
2579 # oh well, try another config
2582 if (!defined($found)) {
2583 # we could have failed due to the nochange_config hash
2584 # reset and try again
2586 undef %nochange_config;
2590 doprint "No more configs found that we can disable\n";
2598 doprint "Test with $config disabled\n";
2600 # set in_bisect to keep build and monitor from dieing
2605 start_monitor_and_boot or $failed = 1;
2611 doprint "$min_configs{$config} is needed to boot the box... keeping\n";
2612 # this config is needed, add it to the ignore list.
2613 $keep_configs{$config} = $min_configs{$config};
2614 $save_configs{$config} = $min_configs{$config};
2615 delete $min_configs{$config};
2617 # update new ignore configs
2618 if (defined($ignore_config)) {
2619 open (OUT, ">$temp_config")
2620 or die "Can't write to $temp_config";
2621 foreach my $config (keys %save_configs) {
2622 print OUT "$save_configs{$config}\n";
2625 run_command "mv $temp_config $ignore_config" or
2626 dodie "failed to copy update to $ignore_config";
2630 # We booted without this config, remove it from the minconfigs.
2631 doprint "$config is not needed, disabling\n";
2633 delete $min_configs{$config};
2635 # Also disable anything that is not enabled in this config
2637 assign_configs \%configs, $output_config;
2638 my @config_keys = keys %min_configs;
2639 foreach my $config (@config_keys) {
2640 if (!defined($configs{$config})) {
2641 doprint "$config is not set, disabling\n";
2642 delete $min_configs{$config};
2646 # Save off all the current mandidory configs
2647 open (OUT, ">$temp_config")
2648 or die "Can't write to $temp_config";
2649 foreach my $config (keys %keep_configs) {
2650 print OUT "$keep_configs{$config}\n";
2652 foreach my $config (keys %min_configs) {
2653 print OUT "$min_configs{$config}\n";
2657 run_command "mv $temp_config $output_minconfig" or
2658 dodie "failed to copy update to $output_minconfig";
2661 doprint "Reboot and wait $sleep_time seconds\n";
2664 wait_for_monitor $sleep_time;
2672 $#ARGV < 1 or die "ktest.pl version: $VERSION\n usage: ktest.pl config-file\n";
2675 $ktest_config = $ARGV[0];
2676 if (! -f $ktest_config) {
2677 print "$ktest_config does not exist.\n";
2678 if (!read_yn "Create it?") {
2683 $ktest_config = "ktest.conf";
2686 if (! -f $ktest_config) {
2687 open(OUT, ">$ktest_config") or die "Can not create $ktest_config";
2689 # Generated by ktest.pl
2691 # Define each test with TEST_START
2692 # The config options below it will override the defaults
2700 read_config $ktest_config;
2702 if (defined($opt{"LOG_FILE"})) {
2703 $opt{"LOG_FILE"} = eval_option($opt{"LOG_FILE"}, -1);
2706 # Append any configs entered in manually to the config file.
2707 my @new_configs = keys %entered_configs;
2708 if ($#new_configs >= 0) {
2709 print "\nAppending entered in configs to $ktest_config\n";
2710 open(OUT, ">>$ktest_config") or die "Can not append to $ktest_config";
2711 foreach my $config (@new_configs) {
2712 print OUT "$config = $entered_configs{$config}\n";
2713 $opt{$config} = $entered_configs{$config};
2717 if ($opt{"CLEAR_LOG"} && defined($opt{"LOG_FILE"})) {
2718 unlink $opt{"LOG_FILE"};
2721 doprint "\n\nSTARTING AUTOMATED TESTS\n\n";
2723 for (my $i = 0, my $repeat = 1; $i <= $opt{"NUM_TESTS"}; $i += $repeat) {
2726 doprint "DEFAULT OPTIONS:\n";
2728 doprint "\nTEST $i OPTIONS";
2729 if (defined($repeat_tests{$i})) {
2730 $repeat = $repeat_tests{$i};
2731 doprint " ITERATE $repeat";
2736 foreach my $option (sort keys %opt) {
2738 if ($option =~ /\[(\d+)\]$/) {
2744 doprint "$option = $opt{$option}\n";
2748 sub __set_test_option {
2749 my ($name, $i) = @_;
2751 my $option = "$name\[$i\]";
2753 if (defined($opt{$option})) {
2754 return $opt{$option};
2757 foreach my $test (keys %repeat_tests) {
2759 $i < $test + $repeat_tests{$test}) {
2760 $option = "$name\[$test\]";
2761 if (defined($opt{$option})) {
2762 return $opt{$option};
2767 if (defined($opt{$name})) {
2774 sub set_test_option {
2775 my ($name, $i) = @_;
2777 my $option = __set_test_option($name, $i);
2778 return $option if (!defined($option));
2780 return eval_option($option, $i);
2783 # First we need to do is the builds
2784 for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
2788 my $makecmd = set_test_option("MAKE_CMD", $i);
2790 $machine = set_test_option("MACHINE", $i);
2791 $ssh_user = set_test_option("SSH_USER", $i);
2792 $tmpdir = set_test_option("TMP_DIR", $i);
2793 $outputdir = set_test_option("OUTPUT_DIR", $i);
2794 $builddir = set_test_option("BUILD_DIR", $i);
2795 $test_type = set_test_option("TEST_TYPE", $i);
2796 $build_type = set_test_option("BUILD_TYPE", $i);
2797 $build_options = set_test_option("BUILD_OPTIONS", $i);
2798 $pre_build = set_test_option("PRE_BUILD", $i);
2799 $post_build = set_test_option("POST_BUILD", $i);
2800 $pre_build_die = set_test_option("PRE_BUILD_DIE", $i);
2801 $post_build_die = set_test_option("POST_BUILD_DIE", $i);
2802 $power_cycle = set_test_option("POWER_CYCLE", $i);
2803 $reboot = set_test_option("REBOOT", $i);
2804 $noclean = set_test_option("BUILD_NOCLEAN", $i);
2805 $minconfig = set_test_option("MIN_CONFIG", $i);
2806 $output_minconfig = set_test_option("OUTPUT_MIN_CONFIG", $i);
2807 $start_minconfig = set_test_option("START_MIN_CONFIG", $i);
2808 $ignore_config = set_test_option("IGNORE_CONFIG", $i);
2809 $run_test = set_test_option("TEST", $i);
2810 $addconfig = set_test_option("ADD_CONFIG", $i);
2811 $reboot_type = set_test_option("REBOOT_TYPE", $i);
2812 $grub_menu = set_test_option("GRUB_MENU", $i);
2813 $post_install = set_test_option("POST_INSTALL", $i);
2814 $reboot_script = set_test_option("REBOOT_SCRIPT", $i);
2815 $reboot_on_error = set_test_option("REBOOT_ON_ERROR", $i);
2816 $poweroff_on_error = set_test_option("POWEROFF_ON_ERROR", $i);
2817 $die_on_failure = set_test_option("DIE_ON_FAILURE", $i);
2818 $power_off = set_test_option("POWER_OFF", $i);
2819 $powercycle_after_reboot = set_test_option("POWERCYCLE_AFTER_REBOOT", $i);
2820 $poweroff_after_halt = set_test_option("POWEROFF_AFTER_HALT", $i);
2821 $sleep_time = set_test_option("SLEEP_TIME", $i);
2822 $bisect_sleep_time = set_test_option("BISECT_SLEEP_TIME", $i);
2823 $patchcheck_sleep_time = set_test_option("PATCHCHECK_SLEEP_TIME", $i);
2824 $ignore_warnings = set_test_option("IGNORE_WARNINGS", $i);
2825 $bisect_manual = set_test_option("BISECT_MANUAL", $i);
2826 $bisect_skip = set_test_option("BISECT_SKIP", $i);
2827 $config_bisect_good = set_test_option("CONFIG_BISECT_GOOD", $i);
2828 $store_failures = set_test_option("STORE_FAILURES", $i);
2829 $test_name = set_test_option("TEST_NAME", $i);
2830 $timeout = set_test_option("TIMEOUT", $i);
2831 $booted_timeout = set_test_option("BOOTED_TIMEOUT", $i);
2832 $console = set_test_option("CONSOLE", $i);
2833 $detect_triplefault = set_test_option("DETECT_TRIPLE_FAULT", $i);
2834 $success_line = set_test_option("SUCCESS_LINE", $i);
2835 $stop_after_success = set_test_option("STOP_AFTER_SUCCESS", $i);
2836 $stop_after_failure = set_test_option("STOP_AFTER_FAILURE", $i);
2837 $stop_test_after = set_test_option("STOP_TEST_AFTER", $i);
2838 $build_target = set_test_option("BUILD_TARGET", $i);
2839 $ssh_exec = set_test_option("SSH_EXEC", $i);
2840 $scp_to_target = set_test_option("SCP_TO_TARGET", $i);
2841 $target_image = set_test_option("TARGET_IMAGE", $i);
2842 $localversion = set_test_option("LOCALVERSION", $i);
2844 $start_minconfig_defined = 1;
2846 if (!defined($start_minconfig)) {
2847 $start_minconfig_defined = 0;
2848 $start_minconfig = $minconfig;
2851 chdir $builddir || die "can't change directory to $builddir";
2855 die "can't create $tmpdir";
2858 $ENV{"SSH_USER"} = $ssh_user;
2859 $ENV{"MACHINE"} = $machine;
2861 $target = "$ssh_user\@$machine";
2863 $buildlog = "$tmpdir/buildlog-$machine";
2864 $dmesg = "$tmpdir/dmesg-$machine";
2865 $make = "$makecmd O=$outputdir";
2866 $output_config = "$outputdir/.config";
2868 if ($reboot_type eq "grub") {
2869 dodie "GRUB_MENU not defined" if (!defined($grub_menu));
2870 } elsif (!defined($reboot_script)) {
2871 dodie "REBOOT_SCRIPT not defined"
2874 my $run_type = $build_type;
2875 if ($test_type eq "patchcheck") {
2876 $run_type = $opt{"PATCHCHECK_TYPE[$i]"};
2877 } elsif ($test_type eq "bisect") {
2878 $run_type = $opt{"BISECT_TYPE[$i]"};
2879 } elsif ($test_type eq "config_bisect") {
2880 $run_type = $opt{"CONFIG_BISECT_TYPE[$i]"};
2883 if ($test_type eq "make_min_config") {
2887 # mistake in config file?
2888 if (!defined($run_type)) {
2889 $run_type = "ERROR";
2893 doprint "RUNNING TEST $i of $opt{NUM_TESTS} with option $test_type $run_type\n\n";
2898 if (defined($addconfig)) {
2899 my $min = $minconfig;
2900 if (!defined($minconfig)) {
2903 run_command "cat $addconfig $min > $tmpdir/add_config" or
2904 dodie "Failed to create temp config";
2905 $minconfig = "$tmpdir/add_config";
2908 my $checkout = $opt{"CHECKOUT[$i]"};
2909 if (defined($checkout)) {
2910 run_command "git checkout $checkout" or
2911 die "failed to checkout $checkout";
2914 if ($test_type eq "bisect") {
2917 } elsif ($test_type eq "config_bisect") {
2920 } elsif ($test_type eq "patchcheck") {
2923 } elsif ($test_type eq "make_min_config") {
2928 if ($build_type ne "nobuild") {
2929 build $build_type or next;
2932 if ($test_type ne "build") {
2934 start_monitor_and_boot or $failed = 1;
2936 if (!$failed && $test_type ne "boot" && defined($run_test)) {
2937 do_run_test or $failed = 1;
2946 if ($opt{"POWEROFF_ON_SUCCESS"}) {
2948 } elsif ($opt{"REBOOT_ON_SUCCESS"} && !do_not_reboot) {
2952 doprint "\n $successes of $opt{NUM_TESTS} tests were successful\n\n";