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waterson%netscape.com 1999-11-15 23:56:58 +00:00
parent 30c87ee660
commit 2d47d12a89
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webtools/leak-o-matic/make-data.pl Executable file
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#!/usr/bin/perl -w
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is Mozilla Communicator client code.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
#
# $Id: make-data.pl,v 1.1 1999/11/15 23:56:58 waterson%netscape.com Exp $
#
use 5.004;
use strict;
use Getopt::Long;
use POSIX "sys_wait_h";
$::opt_dir = ".";
$::opt_app = "mozilla-bin -f bloaturls.txt";
GetOptions("dir=s", "app=s");
sub ForkAndWait($$$) {
my ($dir, $app, $timeout) = @_;
my $pid = fork;
if (! $pid) {
open(STDOUT, ">/dev/null");
open(STDERR, ">/dev/null");
exec("cd $dir ; $app");
# bye!
}
if ($timeout > 0) {
while ($timeout--) {
sleep 1;
my $status = POSIX::waitpid($pid, WNOHANG());
return 0 if $pid == $status;
return -1 if $status < 0;
}
kill("TERM", $pid);
return -1;
}
else {
POSIX::waitpid($pid, 0);
}
my $status = $? / 256;
if ($status != 0) {
die "'$app' terminated abnormally, status == $status";
}
return 0;
}
# First, just run the browser with the bloat log turned on. From that,
# we'll capture all of the leaky classes.
my $MasterBloatLog = $ENV{"PWD"} . "/master-bloat.log";
printf("generating top-level class list\n");
$ENV{"XPCOM_MEM_BLOAT_LOG"} = $MasterBloatLog;
ForkAndWait($::opt_dir, $::opt_app, 0);
# Now parse the bloat log.
my @leakyclasses;
{
open(BLOATLOG, $MasterBloatLog);
LINE: while (<BLOATLOG>) {
s/^ +//;
next LINE unless /^[0-9]/;
my ($num, $class, $bytesPerInst, $bytesLeaked,
$totalObjects, $remainingObjects)
= split(/ +/);
next LINE unless ($num > 0 && $remainingObjects > 0);
$leakyclasses[++$#leakyclasses] = $class;
}
}
# Iterate through each class that leaked, and find out what objects leaked
my $BloatLogFile = "/tmp/leak-report-bloat.log";
$ENV{"XPCOM_MEM_BLOAT_LOG"} = $BloatLogFile;
my $class;
foreach $class (@leakyclasses) {
printf("+ $class\n");
delete $ENV{"XPCOM_MEM_REFCNT_LOG"};
delete $ENV{"XPCOM_MEM_LOG_OBJECTS"};
$ENV{"XPCOM_MEM_LOG_CLASSES"} = $class;
ForkAndWait($::opt_dir, $::opt_app, 0);
open(BLOATLOG, $BloatLogFile);
my @leakedobjects;
my $serialNumbersHaveStarted = 0;
LINE: while (<BLOATLOG>) {
$serialNumbersHaveStarted = 1
if /^Serial Numbers of Leaked Objects:/;
next LINE unless ($serialNumbersHaveStarted && /^[0-9]/);
chomp;
$leakedobjects[++$#leakedobjects] = $_;
}
my $object;
foreach $object (@leakedobjects) {
my $refcntlogfile = $ENV{"PWD"} . "/refcnt-" . $class . "-" . $object . ".log";
print "|- $refcntlogfile\n";
$ENV{"XPCOM_MEM_REFCNT_LOG"} = $refcntlogfile;
$ENV{"XPCOM_MEM_LOG_OBJECTS"} = $object;
if (ForkAndWait($::opt_dir, $::opt_app, 60) < 0) {
print " * Timed out; discarding.\n";
unlink $refcntlogfile;
}
}
}
# Now zip up all of the datafiles into YYYYMMDD.zip
{
my $zipfile = POSIX::strftime("%Y%m%d.zip", localtime(time));
system("zip -m $zipfile *.log");
}