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dfbdaa28a5
Introduce `--profile` support to the benchmark helper script, which will invoke `perf` on Linux. Additionally, add a `--flamegraph` output option based on that.
62 lines
1.2 KiB
Perl
Executable File
62 lines
1.2 KiB
Perl
Executable File
#!/usr/bin/perl -ws
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#
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# stackcollapse-aix Collapse AIX /usr/bin/procstack backtraces
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#
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# Parse a list of backtraces as generated with the poor man's aix-perf.pl
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# profiler
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#
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use strict;
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my $process = "";
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my $current = "";
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my $previous_function = "";
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my %stacks;
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while(<>) {
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chomp;
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if (m/^\d+:/) {
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if(!($current eq "")) {
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$current = $process . ";" . $current;
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$stacks{$current} += 1;
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$current = "";
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}
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m/^\d+: ([^ ]*)/;
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$process = $1;
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$current = "";
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}
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elsif(m/^---------- tid# \d+/){
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if(!($current eq "")) {
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$current = $process . ";" . $current;
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$stacks{$current} += 1;
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}
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$current = "";
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}
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elsif(m/^(0x[0-9abcdef]*) *([^ ]*) ([^ ]*) ([^ ]*)/) {
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my $function = $2;
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my $alt = $1;
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$function=~s/\(.*\)?//;
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if($function =~ /^\[.*\]$/) {
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$function = $alt;
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}
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if ($current) {
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$current = $function . ";" . $current;
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}
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else {
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$current = $function;
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}
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}
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}
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if(!($current eq "")) {
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$current = $process . ";" . $current;
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$stacks{$current} += 1;
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$current = "";
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$process = "";
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}
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foreach my $k (sort { $a cmp $b } keys %stacks) {
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print "$k $stacks{$k}\n";
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}
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