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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-01-30 14:43:21 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-01-30 18:38:23 -0200 |
| commit | cfeb1d90a1b1db96383b48888cb7a5f10ca12e12 (patch) | |
| tree | 0c8ec8fd12db30fae33710b32faeb05d10b0e46a /tools/perf/python | |
| parent | perf tools: Remove unnecessary ctype.h inclusion (diff) | |
| download | linux-dev-cfeb1d90a1b1db96383b48888cb7a5f10ca12e12.tar.xz linux-dev-cfeb1d90a1b1db96383b48888cb7a5f10ca12e12.zip | |
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 <peterz@infradead.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-v3lnpwgrr8mllcr3ntduuqvc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/python')
| -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); |