Commit d6ce2a0b authored by Steven Rostedt's avatar Steven Rostedt Committed by Steven Rostedt
Browse files

ktest: Add reverse bisect, better logging, copyright 



Added the ability to do a reverse bisect.

Better logging of running commands.

Added the copyright statement.

Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 6c5ee0be

tools/testing/ktest/ktest.pl

+45 −6
Original line number Diff line number Diff line 
#!/usr/bin/perl -w

#

# Copywrite 2010 - Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.

# Licensed under the terms of the GNU GPL License version 2

#



use strict;

use IPC::Open2;
@@ -34,6 +38,7 @@ my $noclean; 
my $minconfig;

my $in_bisect = 0;

my $bisect_bad = "";

my $reverse_bisect;

my $in_patchcheck = 0;

my $run_test;

my $redirect;
@@ -89,22 +94,39 @@ sub dodie { 


sub run_command {

    my ($command) = @_;

    my $redirect_log = "";

    my $redirect_tee = "";

    my $dolog = 0;

    my $dord = 0;

    my $pid;



    doprint("$command ... ");



    $pid = open(CMD, "$command 2>&1 |") or

	dodie "unable to exec $command";



    if (defined($opt{"LOG_FILE"})) {

	$redirect_log = "| tee -a $opt{LOG_FILE}";

	open(LOG, ">>$opt{LOG_FILE}") or

	    dodie "failed to write to log";

	$dolog = 1;

    }



    if (defined($redirect)) {

	$redirect_tee = "| tee $redirect"

	open (RD, ">$redirect") or

	    dodie "failed to write to redirect $redirect";

	$dord = 1;

    }



    doprint "$command ... ";

    `$command 2>&1 $redirect_tee $redirect_log > /dev/null`;

    while (<CMD>) {

	print LOG if ($dolog);

	print RD  if ($dord);

    }



    waitpid($pid, 0);

    my $failed = $?;



    close(CMD);

    close(LOG) if ($dolog);

    close(RD)  if ($dord);



    if ($failed) {

	doprint "FAILED!\n";

    } else {
@@ -574,6 +596,15 @@ sub run_bisect { 
	$result = "good";

    }



    # Are we looking for where it worked, not failed?

    if ($reverse_bisect) {

	if ($failed) {

	    $result = "good";

	} else {

	    $result = "bad";

	}

    }



    doprint "git bisect $result ... ";

    $output = `git bisect $result 2>&1`;

    $ret = $?;
@@ -614,6 +645,14 @@ sub bisect { 
    my $bad = $opt{"BISECT_BAD[$i]"};

    my $type = $opt{"BISECT_TYPE[$i]"};



    if (defined($opt{"BISECT_REVERSE[$i]"}) &&

	$opt{"BISECT_REVERSE[$i]"} == 1) {

	doprint "Performing a reverse bisect (bad is good, good is bad!)\n";

	$reverse_bisect = 1;

    } else {

	$reverse_bisect = 0;

    }



    $in_bisect = 1;



    run_command "git bisect start" or