[PATCH 1/9] perf/trace/scripting: failed-syscalls script cleanup
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From: Tom Zanussi on 10 May 2010 00:50 A couple small fixes for the failed syscalls script: - The script description says it can be restricted to a specific comm, make it so. - silence the match output in the shell script Signed-off-by: Tom Zanussi <tzanussi(a)gmail.com> --- tools/perf/scripts/perl/bin/failed-syscalls-report | 2 +- tools/perf/scripts/perl/failed-syscalls.pl | 6 +++++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-report b/tools/perf/scripts/perl/bin/failed-syscalls-report index f634608..e3a5e55 100644 --- a/tools/perf/scripts/perl/bin/failed-syscalls-report +++ b/tools/perf/scripts/perl/bin/failed-syscalls-report @@ -2,7 +2,7 @@ # description: system-wide failed syscalls # args: [comm] if [ $# -gt 0 ] ; then - if ! expr match "$1" "-" ; then + if ! expr match "$1" "-" > /dev/null ; then comm=$1 shift fi diff --git a/tools/perf/scripts/perl/failed-syscalls.pl b/tools/perf/scripts/perl/failed-syscalls.pl index c18e7e2..94bc25a 100644 --- a/tools/perf/scripts/perl/failed-syscalls.pl +++ b/tools/perf/scripts/perl/failed-syscalls.pl @@ -11,6 +11,8 @@ use Perf::Trace::Core; use Perf::Trace::Context; use Perf::Trace::Util; +my $for_comm = shift; + my %failed_syscalls; sub raw_syscalls::sys_exit @@ -33,6 +35,8 @@ sub trace_end foreach my $comm (sort {$failed_syscalls{$b} <=> $failed_syscalls{$a}} keys %failed_syscalls) { - printf("%-20s %10s\n", $comm, $failed_syscalls{$comm}); + next if ($for_comm && $comm ne $for_comm); + + printf("%-20s %10s\n", $comm, $failed_syscalls{$comm}); } } -- 1.6.4.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |