libperf: Add perf_evsel__attr() function

Add a perf_evsel__attr() function to get attr pointer from a perf_evsel
instance.

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/20190721112506.12306-71-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c
index 8dbe0e841b8f96a6058b1b0c27d09c40ab34add2..24abc80dd767004a911d91408d639b08db680562 100644 (file)
--- a/tools/perf/lib/evsel.c
+++ b/tools/perf/lib/evsel.c
@@ -225,3 +225,8 @@ struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel)
 {
        return evsel->threads;
 }
+
+struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel)
+{
+       return &evsel->attr;
+}

diff --git a/tools/perf/lib/include/perf/evsel.h b/tools/perf/lib/include/perf/evsel.h
index ae9f7eeb53a28912256f31a322387673b21671de..4388667f265ce10f3791182a250aff57da8758e6 100644 (file)
--- a/tools/perf/lib/include/perf/evsel.h
+++ b/tools/perf/lib/include/perf/evsel.h
@@ -34,5 +34,6 @@ 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);
+LIBPERF_API struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel);
 
 #endif /* __LIBPERF_EVSEL_H */

diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map
index 2068e3d52227fab689c907d9ddaaa03f7fce197e..e24d3cec01c181d65ceb1c54e6a57d67ac8a3c86 100644 (file)
--- a/tools/perf/lib/libperf.map
+++ b/tools/perf/lib/libperf.map
@@ -23,6 +23,7 @@ LIBPERF_0.0.1 {
                perf_evsel__read;
                perf_evsel__cpus;
                perf_evsel__threads;
+               perf_evsel__attr;
                perf_evlist__new;
                perf_evlist__delete;
                perf_evlist__open;