Messages in this thread Patch in this message | | | From | Adrian Hunter <> | Subject | [PATCH V2 02/23] libperf evsel: Add perf_evsel__enable_thread() | Date | Fri, 6 May 2022 15:25:40 +0300 |
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Add perf_evsel__enable_thread() as a counterpart to perf_evsel__enable_cpu(), to enable all events for a thread.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/lib/perf/evsel.c | 15 +++++++++++++++ tools/lib/perf/include/perf/evsel.h | 1 + 2 files changed, 16 insertions(+)
diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c index 20ae9f5f8b30..c1d58673f6ef 100644 --- a/tools/lib/perf/evsel.c +++ b/tools/lib/perf/evsel.c @@ -360,6 +360,21 @@ int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu_map_idx) return perf_evsel__run_ioctl(evsel, PERF_EVENT_IOC_ENABLE, NULL, cpu_map_idx); } +int perf_evsel__enable_thread(struct perf_evsel *evsel, int thread) +{ + struct perf_cpu cpu __maybe_unused; + int idx; + int err; + + perf_cpu_map__for_each_cpu(cpu, idx, evsel->cpus) { + err = perf_evsel__ioctl(evsel, PERF_EVENT_IOC_ENABLE, NULL, idx, thread); + if (err) + return err; + } + + return 0; +} + int perf_evsel__enable(struct perf_evsel *evsel) { int i; diff --git a/tools/lib/perf/include/perf/evsel.h b/tools/lib/perf/include/perf/evsel.h index 2a9516b42d15..699c0ed97d34 100644 --- a/tools/lib/perf/include/perf/evsel.h +++ b/tools/lib/perf/include/perf/evsel.h @@ -36,6 +36,7 @@ LIBPERF_API int perf_evsel__read(struct perf_evsel *evsel, int cpu_map_idx, int struct perf_counts_values *count); LIBPERF_API int perf_evsel__enable(struct perf_evsel *evsel); LIBPERF_API int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu_map_idx); +LIBPERF_API int perf_evsel__enable_thread(struct perf_evsel *evsel, int thread); LIBPERF_API int perf_evsel__disable(struct perf_evsel *evsel); LIBPERF_API int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu_map_idx); LIBPERF_API struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel); -- 2.25.1
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