diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-08 20:21:04 +0000 |
commit | 988addf82e4c03739375279de73929580a2d4a6a (patch) | |
tree | 989ae1cd4e264bbad80c65f04480486246e7b9f3 /tools/perf/scripts/perl/failed-syscalls.pl | |
parent | 004c1c7096659d352b83047a7593e91d8a30e3c5 (diff) | |
parent | 25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff) |
Merge branch 'origin' into devel-stable
Conflicts:
arch/arm/mach-mx2/devices.c
arch/arm/mach-mx2/devices.h
sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'tools/perf/scripts/perl/failed-syscalls.pl')
-rw-r--r-- | tools/perf/scripts/perl/failed-syscalls.pl | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tools/perf/scripts/perl/failed-syscalls.pl b/tools/perf/scripts/perl/failed-syscalls.pl new file mode 100644 index 00000000000..c18e7e27a84 --- /dev/null +++ b/tools/perf/scripts/perl/failed-syscalls.pl @@ -0,0 +1,38 @@ +# failed system call counts +# (c) 2010, Tom Zanussi <tzanussi@gmail.com> +# Licensed under the terms of the GNU GPL License version 2 +# +# Displays system-wide failed system call totals +# If a [comm] arg is specified, only syscalls called by [comm] are displayed. + +use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib"; +use lib "./Perf-Trace-Util/lib"; +use Perf::Trace::Core; +use Perf::Trace::Context; +use Perf::Trace::Util; + +my %failed_syscalls; + +sub raw_syscalls::sys_exit +{ + my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, + $common_pid, $common_comm, + $id, $ret) = @_; + + if ($ret < 0) { + $failed_syscalls{$common_comm}++; + } +} + +sub trace_end +{ + printf("\nfailed syscalls by comm:\n\n"); + + printf("%-20s %10s\n", "comm", "# errors"); + printf("%-20s %6s %10s\n", "--------------------", "----------"); + + foreach my $comm (sort {$failed_syscalls{$b} <=> $failed_syscalls{$a}} + keys %failed_syscalls) { + printf("%-20s %10s\n", $comm, $failed_syscalls{$comm}); + } +} |