mbedtls/scripts/massif_max.pl

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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
Add Apache-2.0 headers to all scripts This commit was generated using the following script: # ======================== #!/bin/sh # Find scripts find -path './.git' -prune -o '(' -name '*.gdb' -o -name '*.pl' -o -name '*.py' -o -name '*.sh' ')' -print | xargs sed -i ' # Remove Mbed TLS declaration if it occurs before the copyright line 1,/Copyright.*Arm/I { /This file is part of/,$ { /Copyright.*Arm/I! d } } # Convert non-standard header in scripts/abi_check.py to the format used in the other scripts /"""/,/"""/ { # Cut copyright declaration /Copyright.*Arm/I { h N d } # Paste copyright declaration /"""/ { x /./ { s/^/# / # Add # x # Replace orignal buffer with Copyright declaration p # Print original buffer, insert newline i\ s/.*// # Clear original buffer } x } } /Copyright.*Arm/I { # Print copyright declaration p # Read the two lines immediately following the copyright declaration N N # Insert Apache header if it is missing /SPDX/! { i\ # 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. # Insert Mbed TLS declaration if it is missing /This file is part of/! i\ #\ # This file is part of Mbed TLS (https://tls.mbed.org) } # Clear copyright declaration from buffer D } ' # ======================== Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-05-25 23:54:15 +00:00
# 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 $fh or die;
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my ($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;
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if( $total > $max ) {
($max, $max_heap, $max_he, $max_stack) = ($total, $heap, $heap_extra, $stack);
}
}
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printf "$max (heap $max_heap+$max_he, stack $max_stack)\n";