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| author | Adrian Hunter <adrian.hunter@intel.com> | 2015-07-21 12:44:04 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-07-23 22:51:13 -0300 |
| commit | b757bb09134f479a087ece08d2cd2a6ba31c9210 (patch) | |
| tree | 43c27fd49ea428f2e62c62c93040c7cdf3cc13fc /tools/perf/Documentation | |
| parent | 0286039f777ec0b6684868c34f7b16f97a069d6e (diff) | |
| download | blackbird-op-linux-b757bb09134f479a087ece08d2cd2a6ba31c9210.tar.gz blackbird-op-linux-b757bb09134f479a087ece08d2cd2a6ba31c9210.zip | |
perf record: Add option --switch-events to select PERF_RECORD_SWITCH events
Add an option to select PERF_RECORD_SWITCH events.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1437471846-26995-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 29e5307945bf..63ee0408761d 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -293,6 +293,10 @@ When processing pre-existing threads /proc/XXX/mmap, it may take a long time, because the file may be huge. A time out is needed in such cases. This option sets the time out limit. The default value is 500 ms. +--switch-events:: +Record context switch events i.e. events of type PERF_RECORD_SWITCH or +PERF_RECORD_SWITCH_CPU_WIDE. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] |
