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| author | Alexey Budankov <alexey.budankov@linux.intel.com> | 2018-04-09 09:26:05 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-04-17 14:47:39 +0200 |
| commit | b3f35b5d5d36fba9311d1a965fcce2dd35614f2e (patch) | |
| tree | 3509b3a4313a3e05823da49f4d58e9ea52fba992 /tools/perf/Documentation | |
| parent | perf/core: Store context switch out type in PERF_RECORD_SWITCH[_CPU_WIDE] (diff) | |
| download | linux-b3f35b5d5d36fba9311d1a965fcce2dd35614f2e.tar.xz linux-b3f35b5d5d36fba9311d1a965fcce2dd35614f2e.zip | |
perf report: Extend raw dump (-D) out with switch out event type
Print additional 'preempt' tag for PERF_RECORD_SWITCH[_CPU_WIDE] OUT records when
event header misc field contains PERF_RECORD_MISC_SWITCH_OUT_PREEMPT bit set
designating preemption context switch out event:
tools/perf/perf report -D -i perf.data | grep _SWITCH
0 768361415226 0x27f076 [0x28]: PERF_RECORD_SWITCH_CPU_WIDE IN prev pid/tid: 8/8
4 768362216813 0x28f45e [0x28]: PERF_RECORD_SWITCH_CPU_WIDE OUT next pid/tid: 0/0
4 768362217824 0x28f486 [0x28]: PERF_RECORD_SWITCH_CPU_WIDE IN prev pid/tid: 4073/4073
0 768362414027 0x27f0ce [0x28]: PERF_RECORD_SWITCH_CPU_WIDE OUT preempt next pid/tid: 8/8
0 768362414367 0x27f0f6 [0x28]: PERF_RECORD_SWITCH_CPU_WIDE IN prev pid/tid: 0/0
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/6f5aebb9-b96c-f304-f08f-8f046d38de4f@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
0 files changed, 0 insertions, 0 deletions