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valgrind-summarize.pl
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valgrind-summarize.pl
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#!/usr/bin/perl -w
# ---------------------------------------------------------------------------
# valgrind-summarize.pl - Summarize valgrind output in easy-parse manner.
# Copyright (c) 2007-2009, Jeff Hung
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# - Neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# ----------------------------------------------------------------------------
use strict;
use utf8;
use File::Basename;
use Getopt::Long;
my ($__exe_name__) = (basename($0));
my ($__revision__) = ('$Rev: 470 $' =~ m/(\d+)/o);
my ($__rev_date__) = ('$Date: 2009-05-09 01:32:22 +0800 (Sat, 09 May 2009) $' =~ m/(\d{4}-\d{2}-\d{2})/o);
sub usage
{
print STDERR <<"EOF";
Usage: $__exe_name__ [ <option> ... ] [ <valgrind-log> ]
Parse valgrind(1) log file <valgrind-log> and report its summary.
Options:
-h,--help Show this help message.
-x,--xml Output as XML, for easy machine processing.
-v,--verbose Show verbose progress messages.
Revision: r$__revision__ ($__rev_date__)
EOF
exit(0);
}
sub msg_exit
{
my $ex = ((scalar(@_) > 0) ? shift @_ : 0);
foreach my $m (@_) {
print STDERR "ERROR: $m\n";
}
print STDERR <<"EOF";
Usage: $__exe_name__ [ <option> ... ] <wp-dump-file> <docbook-file>
Type '$__exe_name__ --help' for usage.
EOF
exit($ex);
}
my $opt_verbose = 0;
my $opt_output_xml = 0;
if (!GetOptions('h|help' => sub { usage; },
'x|xml' => \$opt_output_xml,
'v|verbose' => \$opt_verbose)) {
msg_exit(0);
}
my $arg_valgrind_log = shift @ARGV;
my $valreport = {
'error_summary' => {},
'leak_summary' => {
'definitely_lost' => { 'bytes' => 0, 'blocks' => 0 },
'possibly_lost' => { 'bytes' => 0, 'blocks' => 0 },
'still_reachable' => { 'bytes' => 0, 'blocks' => 0 },
'suppressed' => { 'bytes' => 0, 'blocks' => 0 },
# summary of 'definitely_lost', possibly_lost, and still_reachable.
# (not including 'suppressed')
'unwanted_lost' => { 'bytes' => 0, 'blocks' => 0 },
},
};
my $valgrind_log_fh = \*STDIN;
if (defined($arg_valgrind_log)) {
open($valgrind_log_fh, '<', $arg_valgrind_log)
or die "Cannot open '$arg_valgrind_log': $!";
}
while (my $line = <$valgrind_log_fh>) {
chomp($line);
$line =~ m/^[=-]+(\d+)[=-]+ /o;
if ($1) {
$valreport->{'pid'} = $1 unless defined($valreport->{'pid'});
die "Mismatched PID." unless ($1 == $valreport->{'pid'});
}
if ($line =~ m/^==\d+== definitely lost:\s*(\d+) bytes in (\d+) blocks./o) {
$valreport->{'leak_summary'}->{'definitely_lost'} = {
'bytes' => $1,
'blocks' => $2,
};
}
if ($line =~ m/^==\d+== possibly lost:\s*(\d+) bytes in (\d+) blocks./o) {
$valreport->{'leak_summary'}->{'possibly_lost'} = {
'bytes' => $1,
'blocks' => $2,
};
}
if ($line =~ m/^==\d+== still reachable:\s*(\d+) bytes in (\d+) blocks./o) {
$valreport->{'leak_summary'}->{'still_reachable'} = {
'bytes' => $1,
'blocks' => $2,
};
}
if ($line =~ m/^==\d+== suppressed:\s*(\d+) bytes in (\d+) blocks./o) {
$valreport->{'leak_summary'}->{'suppressed'} = {
'bytes' => $1,
'blocks' => $2,
};
}
}
if (defined($arg_valgrind_log)) {
close($valgrind_log_fh);
}
$valreport->{'leak_summary'}->{'unwanted_lost'}->{'bytes'}
= $valreport->{'leak_summary'}->{'definitely_lost'}->{'bytes'}
+ $valreport->{'leak_summary'}->{'possibly_lost'}->{'bytes'}
+ $valreport->{'leak_summary'}->{'still_reachable'}->{'bytes'};
$valreport->{'leak_summary'}->{'unwanted_lost'}->{'blocks'}
= $valreport->{'leak_summary'}->{'definitely_lost'}->{'blocks'}
+ $valreport->{'leak_summary'}->{'possibly_lost'}->{'blocks'}
+ $valreport->{'leak_summary'}->{'still_reachable'}->{'blocks'};
die "No PID found" unless (defined($valreport->{'pid'}));
if ($opt_output_xml) {
print << "EoXML";
<?xml version=\"1.0\"?>
<valgrind-log>
<leak_summary>
<definitely_lost>
<num_bytes>$valreport->{'leak_summary'}->{'definitely_lost'}->{'bytes'}</num_bytes>
<num_blocks>$valreport->{'leak_summary'}->{'definitely_lost'}->{'blocks'}</num_blocks>
</definitely_lost>
<possibly_lost>
<num_bytes>$valreport->{'leak_summary'}->{'possibly_lost'}->{'bytes'}</num_bytes>
<num_blocks>$valreport->{'leak_summary'}->{'possibly_lost'}->{'blocks'}</num_blocks>
</possibly_lost>
<still_reachable>
<num_bytes>$valreport->{'leak_summary'}->{'still_reachable'}->{'bytes'}</num_bytes>
<num_blocks>$valreport->{'leak_summary'}->{'still_reachable'}->{'blocks'}</num_blocks>
</still_reachable>
<suppressed>
<num_bytes>$valreport->{'leak_summary'}->{'suppressed'}->{'bytes'}</num_bytes>
<num_blocks>$valreport->{'leak_summary'}->{'suppressed'}->{'blocks'}</num_blocks>
</suppressed>
<unwanted_lost>
<num_bytes>$valreport->{'leak_summary'}->{'unwanted_lost'}->{'bytes'}</num_bytes>
<num_blocks>$valreport->{'leak_summary'}->{'unwanted_lost'}->{'blocks'}</num_blocks>
</unwanted_lost>
</leak_summary>
</valgrind-log>
EoXML
}
else {
print <<"EOF";
PID: $valreport->{'pid'}
leak_summary:definitely_lost:bytes: $valreport->{'leak_summary'}->{'definitely_lost'}->{'bytes'}
leak_summary:definitely_lost:blocks: $valreport->{'leak_summary'}->{'definitely_lost'}->{'blocks'}
leak_summary:possibly_lost:bytes: $valreport->{'leak_summary'}->{'possibly_lost'}->{'bytes'}
leak_summary:possibly_lost:blocks: $valreport->{'leak_summary'}->{'possibly_lost'}->{'blocks'}
leak_summary:still_reachable:bytes: $valreport->{'leak_summary'}->{'still_reachable'}->{'bytes'}
leak_summary:still_reachable:blocks: $valreport->{'leak_summary'}->{'still_reachable'}->{'blocks'}
leak_summary:suppressed:bytes: $valreport->{'leak_summary'}->{'suppressed'}->{'bytes'}
leak_summary:suppressed:blocks: $valreport->{'leak_summary'}->{'suppressed'}->{'blocks'}
leak_summary:unwanted_lost:bytes: $valreport->{'leak_summary'}->{'unwanted_lost'}->{'bytes'}
leak_summary:unwanted_lost:blocks: $valreport->{'leak_summary'}->{'unwanted_lost'}->{'blocks'}
EOF
}
exit (($valreport->{'leak_summary'}->{'unwanted_lost'}->{'bytes'} == 0) ? 0 : 1);