Sun, 02 Mar 2008 23:24:55 -0800
changeset 12499 17e59effaf69ad577235c40998d9aa48b5e9abdf
child 96742 f4157e8c410708d76703f19e4dfb61859bfe32d8
permissions -rwxr-xr-x
Add a simple variant of make-tree to filter refcount logs for a single object. Not part of the build.

#!/usr/bin/perl -w
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
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# 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
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# The Original Code is
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 1998
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# Contributor(s):
#   Authors of
#   L. David Baron <>, Mozilla Corporation
#     (made from
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# ***** END LICENSE BLOCK *****

# 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;


$::opt_object ||
     die qq{
usage: < 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 (<>) {
        last CALLSITE if (/^$/);