diff options
| author | Arnaldo Carvalho de Melo <[email protected]> | 2012-01-30 14:43:21 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2012-01-30 18:38:23 -0200 |
| commit | cfeb1d90a1b1db96383b48888cb7a5f10ca12e12 (patch) | |
| tree | 0c8ec8fd12db30fae33710b32faeb05d10b0e46a | |
| parent | d30d4a080d195892091ad7d014fc9293cc08ea0f (diff) | |
perf python: Use attr.watermark in twatch.py
We want to be woken up for every PERF_RECORD_ event, attr.wakeup_events
is only for PERF_RECORD_SAMPLE, so also use attr.watermark = 1 to fix
that.
Suggested-by: Peter Zijlstra <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
| -rwxr-xr-x | tools/perf/python/twatch.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/python/twatch.py b/tools/perf/python/twatch.py index df638c438a9f..b11cca584238 100755 --- a/tools/perf/python/twatch.py +++ b/tools/perf/python/twatch.py @@ -19,7 +19,7 @@ def main(): cpus = perf.cpu_map() threads = perf.thread_map() evsel = perf.evsel(task = 1, comm = 1, mmap = 0, - wakeup_events = 1, sample_period = 1, + wakeup_events = 1, watermark = 1, sample_id_all = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_TID) evsel.open(cpus = cpus, threads = threads); |