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| author | Namhyung Kim <[email protected]> | 2023-03-31 20:29:44 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2023-04-04 16:23:58 +0000 |
| commit | f6a7bbbfe61cc34c4e443141d3eb110a80473d8c (patch) | |
| tree | f11417754cd2dff04155dd790c8262d6cb072ac9 /tools/perf/util/scripting-engines/trace-event-perl.c | |
| parent | perf pmu: Add perf_pmu__destroy() function (diff) | |
| download | kernel-f6a7bbbfe61cc34c4e443141d3eb110a80473d8c.tar.gz kernel-f6a7bbbfe61cc34c4e443141d3eb110a80473d8c.zip | |
perf bench: Add pmu-scan benchmark
The pmu-scan benchmark will repeatedly scan the sysfs to get the
available PMU information.
$ ./perf bench internals pmu-scan
# Running 'internals/pmu-scan' benchmark:
Computing performance of sysfs PMU event scan for 100 times
Average PMU scanning took: 6850.990 usec (+- 48.445 usec)
Signed-off-by: Namhyung Kim <[email protected]>
Acked-by: Ian Rogers <[email protected]>
Tested-by: Arnaldo Carvalho de Melo <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-perl.c')
0 files changed, 0 insertions, 0 deletions