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libperf: Add perf_evsel__cpus()/threads() functions 

Add the following functions:

  perf_evsel__cpus()
  perf_evsel__threads()

to access the evsel's cpus and threads objects.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-68-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2019-07-21 13:24:54 +02:00 committed by Arnaldo Carvalho de Melo
parent 09145d26b6
commit 0ff1a0fdf5
4 changed files with 15 additions and 1 deletions
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10
tools/perf/lib/evsel.c
View File

@ -215,3 +215,13 @@ int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter)
PERF_EVENT_IOC_SET_FILTER,
(void *)filter);
}
struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
{
return evsel->cpus;
}
struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel)
{
return evsel->threads;
}

2
tools/perf/lib/include/perf/evsel.h
View File

@ -32,5 +32,7 @@ LIBPERF_API int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
struct perf_counts_values *count);
LIBPERF_API int perf_evsel__enable(struct perf_evsel *evsel);
LIBPERF_API int perf_evsel__disable(struct perf_evsel *evsel);
LIBPERF_API struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel);
LIBPERF_API struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel);
#endif /* __LIBPERF_EVSEL_H */

2
tools/perf/lib/libperf.map
View File

@ -21,6 +21,8 @@ LIBPERF_0.0.1 {
perf_evsel__open;
perf_evsel__close;
perf_evsel__read;
perf_evsel__cpus;
perf_evsel__threads;
perf_evlist__new;
perf_evlist__delete;
perf_evlist__init;

2
tools/perf/util/evsel.h
View File

@ -193,7 +193,7 @@ struct record_opts;
static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
{
return evsel->core.cpus;
return perf_evsel__cpus(&evsel->core);
}
static inline int perf_evsel__nr_cpus(struct evsel *evsel)