gecko/tools/rb/filter-log.pl

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#!/usr/bin/perl -w
#
2012-05-21 04:12:37 -07:00
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# Filter a refcount log to show only the entries for a single object.
# Useful when manually examining refcount logs containing multiple
# objects.
use 5.004;
use strict;
use Getopt::Long;
GetOptions("object=s");
$::opt_object ||
die qq{
usage: filter-log-for.pl < logfile
--object <obj> The address of the object to examine (required)
};
warn "object $::opt_object\n";
LINE: while (<>) {
next LINE if (! /^</);
my $line = $_;
my @fields = split(/ /, $_);
my $class = shift(@fields);
my $obj = shift(@fields);
next LINE unless ($obj eq $::opt_object);
my $sno = shift(@fields);
my $op = shift(@fields);
my $cnt = shift(@fields);
print $line;
# The lines in the stack trace
CALLSITE: while (<>) {
print;
last CALLSITE if (/^$/);
}
}