linux-kernel - [PATCH 094/107] libperf: Add perf_evsel_

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Date:   Mon, 29 Jul 2019 23:55:57 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        Clark Williams <williams@...hat.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 094/107] libperf: Add perf_evsel__cpus()/threads() functions

From: Jiri Olsa <jolsa@...nel.org>

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@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Alexey Budankov <alexey.budankov@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Michael Petlan <mpetlan@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-68-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.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