[PATCH 094/107] libperf: Add perf_evsel__cpus()/threads() functions

Arnaldo Carvalho de Melo
2019-07-30T03:01:45Z

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>
---
tools/perf/lib/evsel.c | 10 ++++++++++
tools/perf/lib/include/perf/evsel.h | 2 ++
tools/perf/lib/libperf.map | 2 ++
tools/perf/util/evsel.h | 2 +-
4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c
index c3f3722e9f91..8dbe0e841b8f 100644
--- a/tools/perf/lib/evsel.c
+++ b/tools/perf/lib/evsel.c
@@ -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;
+}
diff --git a/tools/perf/lib/include/perf/evsel.h b/tools/perf/lib/include/perf/evsel.h
index 0db18dfabdb8..ae9f7eeb53a2 100644
--- a/tools/perf/lib/include/perf/evsel.h
+++ b/tools/perf/lib/include/perf/evsel.h
@@ -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 */
diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map
index d4d34bea0b40..9f43b5cda031 100644
--- a/tools/perf/lib/libperf.map
+++ b/tools/perf/lib/libperf.map
@@ -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;
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 0989fb2eb1ec..3cf35aa782b9 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -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)
--
2.21.0