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Commit 40667fb5 authored by Steven Rostedt (VMware)'s avatar Steven Rostedt (VMware)
Browse files

ktest.pl: Make finding config-bisect.pl dynamic 



Just looking for config-bisect.pl in the source tree can be risky,
especially, if the source tree being tested doesn't have config-bisect.pl in
place. Instead, allow the user to set where to find config-bisect.pl with a
new option CONFIG_BISECT_EXEC.

If this option is not set, by default, ktest.pl will look for
config-bisect.pl in the following locations:

 `pwd`/config-bisect.pl # where ktest.pl was called from
 `dirname /path/to/ktest.pl`/config-bisect.pl # where ktest.pl exists
 ${BUILD_DIR}/tools/testing/ktest/config-bisect.pl
   # where config-bisect.pl exists in the source tree.

Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 133087f0

tools/testing/ktest/ktest.pl

+26 −1
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK); 
use File::Path qw(mkpath);

use File::Copy qw(cp);

use FileHandle;

use FindBin;



my $VERSION = "0.2";
@@ -165,6 +166,7 @@ my $store_successes; 
my $test_name;

my $timeout;

my $connect_timeout;

my $config_bisect_exec;

my $booted_timeout;

my $detect_triplefault;

my $console;
@@ -206,6 +208,9 @@ my $install_time; 
my $reboot_time;

my $test_time;



my $pwd;

my $dirname = $FindBin::Bin;



# set when a test is something other that just building or install

# which would require more options.

my $buildonly = 1;
@@ -299,6 +304,7 @@ my %option_map = ( 
    "TEST_NAME"			=> \$test_name,

    "TIMEOUT"			=> \$timeout,

    "CONNECT_TIMEOUT"		=> \$connect_timeout,

    "CONFIG_BISECT_EXEC"	=> \$config_bisect_exec,

    "BOOTED_TIMEOUT"		=> \$booted_timeout,

    "CONSOLE"			=> \$console,

    "CLOSE_CONSOLE_SIGNAL"	=> \$close_console_signal,
@@ -340,6 +346,7 @@ my %used_options; 


# default variables that can be used

chomp ($variable{"PWD"} = `pwd`);

$pwd = $variable{"PWD"};



$config_help{"MACHINE"} = << "EOF"

 The machine hostname that you will test.
@@ -3134,7 +3141,7 @@ sub run_config_bisect { 
    if (!length($last_result)) {

	$reset = "-r";

    }

    run_command "$builddir/tools/testing/ktest/config-bisect.pl $reset -b $outputdir $good $bad $last_result", 1;

    run_command "$config_bisect_exec $reset -b $outputdir $good $bad $last_result", 1;



    # config-bisect returns:

    #   0 if there is more to bisect
@@ -3182,6 +3189,24 @@ sub config_bisect { 
	$good_config = $output_config;

    }



    if (!defined($config_bisect_exec)) {

	# First check the location that ktest.pl ran

	my @locations = ( "$pwd/config-bisect.pl",

			  "$dirname/config-bisect.pl",

			  "$builddir/tools/testing/ktest/config-bisect.pl",

			  undef );

	foreach my $loc (@locations) {

	    doprint "loc = $loc\n";

	    $config_bisect_exec = $loc;

	    last if (defined($config_bisect_exec && -x $config_bisect_exec));

	}

	if (!defined($config_bisect_exec)) {

	    fail "Could not find an executable config-bisect.pl\n",

		"  Set CONFIG_BISECT_EXEC to point to config-bisect.pl";

	    return 1;

	}

    }



    # we don't want min configs to cause issues here.

    doprint "Disabling 'MIN_CONFIG' for this test\n";

    undef $minconfig;

tools/testing/ktest/sample.conf

+10 −0
Original line number Diff line number Diff line
@@ -1179,6 +1179,16 @@ 
#  Set it to "good" to test only the good config and set it

#  to "bad" to only test the bad config.

#

# CONFIG_BISECT_EXEC (optional)

#  The config bisect is a separate program that comes with ktest.pl.

#  By befault, it will look for:

#    `pwd`/config-bisect.pl # the location ktest.pl was executed from.

#  If it does not find it there, it will look for:

#    `dirname <ktest.pl>`/config-bisect.pl # The directory that holds ktest.pl

#  If it does not find it there, it will look for:

#    ${BUILD_DIR}/tools/testing/ktest/config-bisect.pl

#  Setting CONFIG_BISECT_EXEC will override where it looks.

#

# Example:

#   TEST_START

#   TEST_TYPE = config_bisect