Merge tag 'ktest-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest (8f838e59) · Commits · e / devices / android_kernel_fairphone_FP3

tools/testing/ktest/ktest.pl

+163 −4

Original line number	Diff line number	Diff line
		@@ -52,6 +52,7 @@ my %default = (
		"STOP_AFTER_SUCCESS" => 10,
		"STOP_AFTER_FAILURE" => 60,
		"STOP_TEST_AFTER" => 600,
		"MAX_MONITOR_WAIT" => 1800,

		# required, and we will ask users if they don't have them but we keep the default
		# value something that is common.
		@@ -77,6 +78,11 @@ my $output_config;
		my $test_type;
		my $build_type;
		my $build_options;
		my $final_post_ktest;
		my $pre_ktest;
		my $post_ktest;
		my $pre_test;
		my $post_test;
		my $pre_build;
		my $post_build;
		my $pre_build_die;
		@@ -93,6 +99,7 @@ my $reboot_on_success;
		my $die_on_failure;
		my $powercycle_after_reboot;
		my $poweroff_after_halt;
		my $max_monitor_wait;
		my $ssh_exec;
		my $scp_to_target;
		my $scp_to_target_install;
		@@ -101,6 +108,7 @@ my $grub_menu;
		my $grub_number;
		my $target;
		my $make;
		my $pre_install;
		my $post_install;
		my $no_install;
		my $noclean;
		@@ -167,6 +175,7 @@ my $bisect_check;

		my $config_bisect;
		my $config_bisect_type;
		my $config_bisect_check;

		my $patchcheck_type;
		my $patchcheck_start;
		@@ -182,6 +191,9 @@ my $newconfig = 0;
		my %entered_configs;
		my %config_help;
		my %variable;

		# force_config is the list of configs that we force enabled (or disabled)
		# in a .config file. The MIN_CONFIG and ADD_CONFIG configs.
		my %force_config;

		# do not force reboots on config problems
		@@ -197,6 +209,10 @@ my %option_map = (
		"OUTPUT_DIR" => \$outputdir,
		"BUILD_DIR" => \$builddir,
		"TEST_TYPE" => \$test_type,
		"PRE_KTEST" => \$pre_ktest,
		"POST_KTEST" => \$post_ktest,
		"PRE_TEST" => \$pre_test,
		"POST_TEST" => \$post_test,
		"BUILD_TYPE" => \$build_type,
		"BUILD_OPTIONS" => \$build_options,
		"PRE_BUILD" => \$pre_build,
		@@ -216,6 +232,7 @@ my %option_map = (
		"ADD_CONFIG" => \$addconfig,
		"REBOOT_TYPE" => \$reboot_type,
		"GRUB_MENU" => \$grub_menu,
		"PRE_INSTALL" => \$pre_install,
		"POST_INSTALL" => \$post_install,
		"NO_INSTALL" => \$no_install,
		"REBOOT_SCRIPT" => \$reboot_script,
		@@ -228,6 +245,7 @@ my %option_map = (
		"POWER_OFF" => \$power_off,
		"POWERCYCLE_AFTER_REBOOT" => \$powercycle_after_reboot,
		"POWEROFF_AFTER_HALT" => \$poweroff_after_halt,
		"MAX_MONITOR_WAIT" => \$max_monitor_wait,
		"SLEEP_TIME" => \$sleep_time,
		"BISECT_SLEEP_TIME" => \$bisect_sleep_time,
		"PATCHCHECK_SLEEP_TIME" => \$patchcheck_sleep_time,
		@@ -272,6 +290,7 @@ my %option_map = (

		"CONFIG_BISECT" => \$config_bisect,
		"CONFIG_BISECT_TYPE" => \$config_bisect_type,
		"CONFIG_BISECT_CHECK" => \$config_bisect_check,

		"PATCHCHECK_TYPE" => \$patchcheck_type,
		"PATCHCHECK_START" => \$patchcheck_start,
		@@ -604,6 +623,10 @@ sub process_compare {
		return $lval eq $rval;
		} elsif ($cmp eq "!=") {
		return $lval ne $rval;
		} elsif ($cmp eq "=~") {
		return $lval =~ m/$rval/;
		} elsif ($cmp eq "!~") {
		return $lval !~ m/$rval/;
		}

		my $statement = "$lval $cmp $rval";
		@@ -659,7 +682,7 @@ sub process_expression {
		}
		}

		if ($val =~ /(.)(==\|\!=\|>=\|<=\|>\|<)(.)/) {
		if ($val =~ /(.)(==\|\!=\|>=\|<=\|>\|<\|=~\|\!~)(.)/) {
		my $ret = process_compare($1, $2, $3);
		if ($ret < 0) {
		die "$name: $.: Unable to process comparison\n";
		@@ -1117,7 +1140,11 @@ sub reboot {
		}

		if (defined($time)) {
		wait_for_monitor($time, $reboot_success_line);
		if (wait_for_monitor($time, $reboot_success_line)) {
		# reboot got stuck?
		doprint "Reboot did not finish. Forcing power cycle\n";
		run_command "$power_cycle";
		}
		end_monitor;
		}
		}
		@@ -1212,6 +1239,11 @@ sub wait_for_monitor {
		my $full_line = "";
		my $line;
		my $booted = 0;
		my $start_time = time;
		my $skip_call_trace = 0;
		my $bug = 0;
		my $bug_ignored = 0;
		my $now;

		doprint " Wait for monitor to settle down \n";

		@@ -1227,11 +1259,39 @@ sub wait_for_monitor {
		$booted = 1;
		}

		if ($full_line =~ /\[ backtrace testing \]/) {
		$skip_call_trace = 1;
		}

		if ($full_line =~ /call trace:/i) {
		if (!$bug && !$skip_call_trace) {
		if ($ignore_errors) {
		$bug_ignored = 1;
		} else {
		$bug = 1;
		}
		}
		}

		if ($full_line =~ /\[ end of backtrace testing \]/) {
		$skip_call_trace = 0;
		}

		if ($full_line =~ /Kernel panic -/) {
		$bug = 1;
		}

		if ($line =~ /\n/) {
		$full_line = "";
		}
		$now = time;
		if ($now - $start_time >= $max_monitor_wait) {
		doprint "Exiting monitor flush due to hitting MAX_MONITOR_WAIT\n";
		return 1;
		}
		}
		print " Monitor flushed \n";
		return $bug;
		}

		sub save_logs {
		@@ -1273,6 +1333,10 @@ sub save_logs {

		sub fail {

		if (defined($post_test)) {
		run_command $post_test;
		}

		if ($die_on_failure) {
		dodie @_;
		}
		@@ -1656,6 +1720,12 @@ sub install {

		return if ($no_install);

		if (defined($pre_install)) {
		my $cp_pre_install = eval_kernel_version $pre_install;
		run_command "$cp_pre_install" or
		dodie "Failed to run pre install";
		}

		my $cp_target = eval_kernel_version $target_image;

		run_scp_install "$outputdir/$build_target", "$cp_target" or
		@@ -1814,6 +1884,7 @@ sub make_oldconfig {
		sub load_force_config {
		my ($config) = @_;

		doprint "Loading force configs from $config\n";
		open(IN, $config) or
		dodie "failed to read $config";
		while (<IN>) {
		@@ -1937,6 +2008,10 @@ sub halt {
		sub success {
		my ($i) = @_;

		if (defined($post_test)) {
		run_command $post_test;
		}

		$successes++;

		my $name = "";
		@@ -2003,6 +2078,7 @@ sub do_run_test {
		my $line;
		my $full_line;
		my $bug = 0;
		my $bug_ignored = 0;

		wait_for_monitor 1;

		@@ -2027,8 +2103,12 @@ sub do_run_test {
		doprint $line;

		if ($full_line =~ /call trace:/i) {
		if ($ignore_errors) {
		$bug_ignored = 1;
		} else {
		$bug = 1;
		}
		}

		if ($full_line =~ /Kernel panic -/) {
		$bug = 1;
		@@ -2040,6 +2120,10 @@ sub do_run_test {
		}
		} while (!$child_done && !$bug);

		if (!$bug && $bug_ignored) {
		doprint "WARNING: Call Trace detected but ignored due to IGNORE_ERRORS=1\n";
		}

		if ($bug) {
		my $failure_start = time;
		my $now;
		@@ -2362,9 +2446,24 @@ sub bisect {
		success $i;
		}

		# config_ignore holds the configs that were set (or unset) for
		# a good config and we will ignore these configs for the rest
		# of a config bisect. These configs stay as they were.
		my %config_ignore;

		# config_set holds what all configs were set as.
		my %config_set;

		# config_off holds the set of configs that the bad config had disabled.
		# We need to record them and set them in the .config when running
		# oldnoconfig, because oldnoconfig does not turn off new symbols, but
		# instead just keeps the defaults.
		my %config_off;

		# config_off_tmp holds a set of configs to turn off for now
		my @config_off_tmp;

		# config_list is the set of configs that are being tested
		my %config_list;
		my %null_config;

		@@ -2443,12 +2542,21 @@ sub create_config {
		}
		}

		# turn off configs to keep off
		foreach my $config (keys %config_off) {
		print OUT "# $config is not set\n";
		}

		# turn off configs that should be off for now
		foreach my $config (@config_off_tmp) {
		print OUT "# $config is not set\n";
		}

		foreach my $config (keys %config_ignore) {
		print OUT "$config_ignore{$config}\n";
		}
		close(OUT);

		# exit;
		make_oldconfig;
		}

		@@ -2525,6 +2633,13 @@ sub run_config_bisect {
		do {
		my @tophalf = @start_list[0 .. $half];

		# keep the bottom half off
		if ($half < $#start_list) {
		@config_off_tmp = @start_list[$half + 1 .. $#start_list];
		} else {
		@config_off_tmp = ();
		}

		create_config @tophalf;
		read_current_config \%current_config;

		@@ -2541,7 +2656,11 @@ sub run_config_bisect {
		if (!$found) {
		# try the other half
		doprint "Top half produced no set configs, trying bottom half\n";

		# keep the top half off
		@config_off_tmp = @tophalf;
		@tophalf = @start_list[$half + 1 .. $#start_list];

		create_config @tophalf;
		read_current_config \%current_config;
		foreach my $config (@tophalf) {
		@@ -2679,6 +2798,10 @@ sub config_bisect {
		$added_configs{$2} = $1;
		$config_list{$2} = $1;
		}
		} elsif (/^# ((CONFIG\S).)/) {
		# Keep these configs disabled
		$config_set{$2} = $1;
		$config_off{$2} = $1;
		}
		}
		close(IN);
		@@ -2701,6 +2824,8 @@ sub config_bisect {
		my %config_test;
		my $once = 0;

		@config_off_tmp = ();

		# Sometimes kconfig does weird things. We must make sure
		# that the config we autocreate has everything we need
		# to test, otherwise we may miss testing configs, or
		@@ -2719,6 +2844,18 @@ sub config_bisect {
		}
		}
		my $ret;

		if (defined($config_bisect_check) && $config_bisect_check) {
		doprint " Checking to make sure bad config with min config fails\n";
		create_config keys %config_list;
		$ret = run_config_bisect_test $config_bisect_type;
		if ($ret) {
		doprint " FAILED! Bad config with min config boots fine\n";
		return -1;
		}
		doprint " Bad config with min config fails as expected\n";
		}

		do {
		$ret = run_config_bisect;
		} while (!$ret);
		@@ -3510,6 +3647,8 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {

		$iteration = $i;

		undef %force_config;

		my $makecmd = set_test_option("MAKE_CMD", $i);

		# Load all the options into their mapped variable names
		@@ -3519,6 +3658,18 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {

		$start_minconfig_defined = 1;

		# The first test may override the PRE_KTEST option
		if (defined($pre_ktest) && $i == 1) {
		doprint "\n";
		run_command $pre_ktest;
		}

		# Any test can override the POST_KTEST option
		# The last test takes precedence.
		if (defined($post_ktest)) {
		$final_post_ktest = $post_ktest;
		}

		if (!defined($start_minconfig)) {
		$start_minconfig_defined = 0;
		$start_minconfig = $minconfig;
		@@ -3573,6 +3724,10 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
		doprint "\n\n";
		doprint "RUNNING TEST $i of $opt{NUM_TESTS} with option $test_type $run_type$installme\n\n";

		if (defined($pre_test)) {
		run_command $pre_test;
		}

		unlink $dmesg;
		unlink $buildlog;
		unlink $testlog;
		@@ -3638,6 +3793,10 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
		success $i;
		}

		if (defined($final_post_ktest)) {
		run_command $final_post_ktest;
		}

		if ($opt{"POWEROFF_ON_SUCCESS"}) {
		halt;
		} elsif ($opt{"REBOOT_ON_SUCCESS"} && !do_not_reboot && $reboot_success) {

tools/testing/ktest/sample.conf

+52 −0

Original line number	Diff line number	Diff line
		@@ -376,6 +376,24 @@
		# DEFAULTS
		# DEFAULTS SKIP

		# If you want to execute some command before the first test runs
		# you can set this option. Note, it can be set as a default option
		# or an option in the first test case. All other test cases will
		# ignore it. If both the default and first test have this option
		# set, then the first test will take precedence.
		#
		# default (undefined)
		#PRE_KTEST = ${SSH} ~/set_up_test

		# If you want to execute some command after all the tests have
		# completed, you can set this option. Note, it can be set as a
		# default or any test case can override it. If multiple test cases
		# set this option, then the last test case that set it will take
		# precedence
		#
		# default (undefined)
		#POST_KTEST = ${SSH} ~/dismantle_test

		# The default test type (default test)
		# The test types may be:
		# build - only build the kernel, do nothing else
		@@ -408,6 +426,14 @@
		# (default "")
		#BUILD_OPTIONS = -j20

		# If you need to do some special handling before installing
		# you can add a script with this option.
		# The environment variable KERNEL_VERSION will be set to the
		# kernel version that is used.
		#
		# default (undefined)
		#PRE_INSTALL = ssh user@target rm -rf '/lib/modules/-test'

		# If you need an initrd, you can add a script or code here to install
		# it. The environment variable KERNEL_VERSION will be set to the
		# kernel version that is used. Remember to add the initrd line
		@@ -426,6 +452,18 @@
		# (default 0)
		#NO_INSTALL = 1

		# If there is a command that you want to run before the individual test
		# case executes, then you can set this option
		#
		# default (undefined)
		#PRE_TEST = ${SSH} reboot_to_special_kernel

		# If there is a command you want to run after the individual test case
		# completes, then you can set this option.
		#
		# default (undefined)
		#POST_TEST = cd ${BUILD_DIR}; git reset --hard

		# If there is a script that you require to run before the build is done
		# you can specify it with PRE_BUILD.
		#
		@@ -657,6 +695,14 @@
		# (default 60)
		#BISECT_SLEEP_TIME = 60

		# The max wait time (in seconds) for waiting for the console to finish.
		# If for some reason, the console is outputting content without
		# ever finishing, this will cause ktest to get stuck. This
		# option is the max time ktest will wait for the monitor (console)
		# to settle down before continuing.
		# (default 1800)
		#MAX_MONITOR_WAIT

		# The time in between patch checks to sleep (in seconds)
		# (default 60)
		#PATCHCHECK_SLEEP_TIME = 60
		@@ -1039,6 +1085,12 @@
		# can specify it with CONFIG_BISECT_GOOD. Otherwise
		# the MIN_CONFIG is the base.
		#
		# CONFIG_BISECT_CHECK (optional)
		# Set this to 1 if you want to confirm that the config ktest
		# generates (the bad config with the min config) is still bad.
		# It may be that the min config fixes what broke the bad config
		# and the test will not return a result.
		#
		# Example:
		# TEST_START
		# TEST_TYPE = config_bisect