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- #!/usr/bin/env perl
- # Parse a massif.out.xxx file and output peak total memory usage
- #
- # Copyright The Mbed TLS Contributors
- # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
- #
- # This file is provided under the Apache License 2.0, or the
- # GNU General Public License v2.0 or later.
- #
- # **********
- # Apache License 2.0:
- #
- # Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- #
- # **********
- #
- # **********
- # GNU General Public License v2.0 or later:
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License along
- # with this program; if not, write to the Free Software Foundation, Inc.,
- # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- #
- # **********
- use warnings;
- use strict;
- use utf8;
- use open qw(:std utf8);
- die unless @ARGV == 1;
- my @snaps;
- open my $fh, '<', $ARGV[0] or die;
- { local $/ = 'snapshot='; @snaps = <$fh>; }
- close $fh or die;
- my ($max, $max_heap, $max_he, $max_stack) = (0, 0, 0, 0);
- for (@snaps)
- {
- my ($heap, $heap_extra, $stack) = m{
- mem_heap_B=(\d+)\n
- mem_heap_extra_B=(\d+)\n
- mem_stacks_B=(\d+)
- }xm;
- next unless defined $heap;
- my $total = $heap + $heap_extra + $stack;
- if( $total > $max ) {
- ($max, $max_heap, $max_he, $max_stack) = ($total, $heap, $heap_extra, $stack);
- }
- }
- printf "$max (heap $max_heap+$max_he, stack $max_stack)\n";
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