зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
3.0 KiB
Perl
Executable File
95 строки
3.0 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is mozilla.org Code.
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#
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# The Initial Developer of the Original Code is
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# Netscape Communications Corporation.
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# Portions created by the Initial Developer are Copyright (C) 1998
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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use strict;
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my %allocs;
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my %classes;
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my %counter;
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LINE: while (<>) {
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next LINE if (! /^</);
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my @fields = split(/ /, $_);
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my $class = shift(@fields);
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my $obj = shift(@fields);
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my $sno = shift(@fields);
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my $op = shift(@fields);
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my $cnt = shift(@fields);
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# for AddRef/Release $cnt is the refcount, for Ctor/Dtor it's the size
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if ($op eq 'AddRef' && $cnt == 1) {
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# Example: <nsStringBuffer> 0x01AFD3B8 1 AddRef 1
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$allocs{$obj} = ++$counter{$class}; # the order of allocation
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$classes{$obj} = $class;
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}
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elsif ($op eq 'Release' && $cnt == 0) {
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# Example: <nsStringBuffer> 0x01AFD3B8 1 Release 0
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delete($allocs{$obj});
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delete($classes{$obj});
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}
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elsif ($op eq 'Ctor') {
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# Example: <PStreamNotifyParent> 0x08880BD0 8 Ctor (20)
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$allocs{$obj} = ++$counter{$class};
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$classes{$obj} = $class;
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}
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elsif ($op eq 'Dtor') {
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# Example: <PStreamNotifyParent> 0x08880BD0 8 Dtor (20)
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delete($allocs{$obj});
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delete($classes{$obj});
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}
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}
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sub sort_by_value {
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my %x = @_;
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sub _by_value($) { my %x = @_; $x{$a} cmp $x{$b}; }
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sort _by_value keys(%x);
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}
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foreach my $key (&sort_by_value(%allocs)) {
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# Example: 0x03F1D818 (2078) @ <nsStringBuffer>
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print "$key (", $allocs{$key}, ") @ ", $classes{$key}, "\n";
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}
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