diff options
| author | Tom Zanussi <tzanussi@gmail.com> | 2010-05-09 23:46:52 -0500 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2010-05-10 19:50:54 -0300 |
| commit | c3f5fd287aa897f710f3305367a1d256c9cf3e83 (patch) | |
| tree | 5b4b57633cb750923e7f427260ddd9a74c9bd56b /tools/perf/scripts/perl | |
| parent | fefb0b94bbab858be0909a7eb5ef357e0f996a79 (diff) | |
perf/trace/scripting: failed-syscalls script cleanup
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
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <1273466820-9330-2-git-send-email-tzanussi@gmail.com>
Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/scripts/perl')
| -rw-r--r-- | tools/perf/scripts/perl/bin/failed-syscalls-report | 2 | ||||
| -rw-r--r-- | 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 f6346082a8f..e3a5e55d54f 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 c18e7e27a84..94bc25a347e 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}); } } |