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-rwxr-xr-xTools/Scripts/parse-malloc-history177
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diff --git a/Tools/Scripts/parse-malloc-history b/Tools/Scripts/parse-malloc-history
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@@ -1,177 +0,0 @@
-#!/usr/bin/perl
-
-# Copyright (C) 2007 Apple Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# 2. 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.
-# 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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.
-
-# Parses the callstacks in a file with malloc_history formatted content, sorting
-# based on total number of bytes allocated, and filtering based on command-line
-# parameters.
-
-use Getopt::Long;
-use File::Basename;
-
-use strict;
-use warnings;
-
-sub commify($);
-
-sub main()
-{
- my $usage =
- "Usage: " . basename($0) . " [options] malloc_history.txt\n" .
- " --grep-regexp Include only call stacks that match this regular expression.\n" .
- " --byte-minimum Include only call stacks with allocation sizes >= this value.\n" .
- " --merge-regexp Merge all call stacks that match this regular expression.\n" .
- " --merge-depth Merge all call stacks that match at this stack depth and above.\n";
-
- my $grepRegexp = "";
- my $byteMinimum = "";
- my @mergeRegexps = ();
- my $mergeDepth = "";
- my $getOptionsResult = GetOptions(
- "grep-regexp:s" => \$grepRegexp,
- "byte-minimum:i" => \$byteMinimum,
- "merge-regexp:s" => \@mergeRegexps,
- "merge-depth:i" => \$mergeDepth
- );
- die $usage if (!$getOptionsResult || !scalar(@ARGV));
-
- my @lines = ();
- foreach my $fileName (@ARGV) {
- open FILE, "<$fileName" or die "bad file: $fileName";
- push(@lines, <FILE>);
- close FILE;
- }
-
- my %callstacks = ();
- my $byteCountTotal = 0;
-
- for (my $i = 0; $i < @lines; $i++) {
- my $line = $lines[$i];
- my ($callCount, $byteCount);
-
- # First try malloc_history format
- # 6 calls for 664 bytes thread_ffffffff |0x0 | start
- ($callCount, $byteCount) = ($line =~ /(\d+) calls for (\d+) bytes/);
-
- # Then try leaks format
- # Leak: 0x0ac3ca40 size=48
- # 0x00020001 0x00000001 0x00000000 0x00000000 ................
- # Call stack: [thread ffffffff]: | 0x0 | start
- if (!$callCount || !$byteCount) {
- $callCount = 1;
- ($byteCount) = ($line =~ /Leak: [x[:xdigit:]]* size=(\d+)/);
-
- if ($byteCount) {
- while (!($line =~ "Call stack: ")) {
- $i++;
- $line = $lines[$i];
- }
- }
- }
-
- # Then try LeakFinder format
- # --------------- Key: 213813, 84 bytes ---------
- # c:\cygwin\home\buildbot\webkit\opensource\webcore\rendering\renderarena.cpp(78): WebCore::RenderArena::allocate
- # c:\cygwin\home\buildbot\webkit\opensource\webcore\rendering\renderobject.cpp(82): WebCore::RenderObject::operator new
- if (!$callCount || !$byteCount) {
- $callCount = 1;
- ($byteCount) = ($line =~ /Key: (?:\d+), (\d+) bytes/);
- if ($byteCount) {
- $line = $lines[++$i];
- my @tempStack;
- while ($lines[$i+1] !~ /^(?:-|\d)/) {
- if ($line =~ /\): (.*)$/) {
- my $call = $1;
- $call =~ s/\r$//;
- unshift(@tempStack, $call);
- }
- $line = $lines[++$i];
- }
- $line = join(" | ", @tempStack);
- }
- }
-
- # Then give up
- next if (!$callCount || !$byteCount);
-
- $byteCountTotal += $byteCount;
-
- next if ($grepRegexp && !($line =~ $grepRegexp));
-
- my $callstackBegin = 0;
- if ($mergeDepth) {
- # count stack frames backwards from end of callstack
- $callstackBegin = length($line);
- for (my $pipeCount = 0; $pipeCount < $mergeDepth; $pipeCount++) {
- my $rindexResult = rindex($line, "|", $callstackBegin - 1);
- last if $rindexResult == -1;
- $callstackBegin = $rindexResult;
- }
- } else {
- # start at beginning of callstack
- $callstackBegin = index($line, "|");
- }
-
- my $callstack = substr($line, $callstackBegin + 2); # + 2 skips "| "
- for my $regexp (@mergeRegexps) {
- if ($callstack =~ $regexp) {
- $callstack = $regexp . "\n";
- last;
- }
- }
-
- if (!$callstacks{$callstack}) {
- $callstacks{$callstack} = {"callCount" => 0, "byteCount" => 0};
- }
-
- $callstacks{$callstack}{"callCount"} += $callCount;
- $callstacks{$callstack}{"byteCount"} += $byteCount;
- }
-
- my $byteCountTotalReported = 0;
- for my $callstack (sort { $callstacks{$b}{"byteCount"} <=> $callstacks{$a}{"byteCount"} } keys %callstacks) {
- my $callCount = $callstacks{$callstack}{"callCount"};
- my $byteCount = $callstacks{$callstack}{"byteCount"};
- last if ($byteMinimum && $byteCount < $byteMinimum);
-
- $byteCountTotalReported += $byteCount;
- print commify($callCount) . " calls for " . commify($byteCount) . " bytes: $callstack\n";
- }
-
- print "total: " . commify($byteCountTotalReported) . " bytes (" . commify($byteCountTotal - $byteCountTotalReported) . " bytes excluded).\n";
- return 0;
-}
-
-exit(main());
-
-# Copied from perldoc -- please excuse the style
-sub commify($)
-{
- local $_ = shift;
- 1 while s/^([-+]?\d+)(\d{3})/$1,$2/;
- return $_;
-}