diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/scripts/massif_max.pl')
-rwxr-xr-x | lib/mbedtls-2.27.0/scripts/massif_max.pl | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/scripts/massif_max.pl b/lib/mbedtls-2.27.0/scripts/massif_max.pl new file mode 100755 index 0000000..eaf56ae --- /dev/null +++ b/lib/mbedtls-2.27.0/scripts/massif_max.pl @@ -0,0 +1,48 @@ +#!/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 +# +# 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. + +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"; |