From 0344c602eadc0802776b65ff90f0a02c856cf53c Mon Sep 17 00:00:00 2001
From: Tom Rini <trini@konsulko.com>
Date: Tue, 8 Oct 2024 13:56:50 -0600
Subject: Squashed 'lib/mbedtls/external/mbedtls/' content from commit
 2ca6c285a0dd

git-subtree-dir: lib/mbedtls/external/mbedtls
git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
---
 scripts/massif_max.pl | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100755 scripts/massif_max.pl

(limited to 'scripts/massif_max.pl')

diff --git a/scripts/massif_max.pl b/scripts/massif_max.pl
new file mode 100755
index 00000000000..52ca606b525
--- /dev/null
+++ b/scripts/massif_max.pl
@@ -0,0 +1,36 @@
+#!/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
+
+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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