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author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/skiboot/libstb/crypto/mbedtls/scripts/massif_max.pl | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/skiboot/libstb/crypto/mbedtls/scripts/massif_max.pl')
-rwxr-xr-x | roms/skiboot/libstb/crypto/mbedtls/scripts/massif_max.pl | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/roms/skiboot/libstb/crypto/mbedtls/scripts/massif_max.pl b/roms/skiboot/libstb/crypto/mbedtls/scripts/massif_max.pl new file mode 100755 index 000000000..4e3342a2c --- /dev/null +++ b/roms/skiboot/libstb/crypto/mbedtls/scripts/massif_max.pl @@ -0,0 +1,33 @@ +#!/usr/bin/env perl + +# Parse a massif.out.xxx file and output peak total memory usage + +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"; |