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authorJiri Olsa <jolsa@kernel.org>2019-09-03 10:54:48 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-09-25 09:51:48 -0300
commitff47d86a0d9bf618b185b49cb4bb9c6f957bb445 (patch)
treeacb7743492f2351f7741d77b5a794b6fa459b5a2 /tools/perf/lib
parentlibperf: Add perf_evlist__first()/last() functions (diff)
downloadlinux-dev-ff47d86a0d9bf618b185b49cb4bb9c6f957bb445.tar.xz
linux-dev-ff47d86a0d9bf618b185b49cb4bb9c6f957bb445.zip
libperf: Add perf_evlist__read_format() function
Add the perf_evlist__read_format() function to libperf as internal function. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lore.kernel.org/lkml/20190913132355.21634-30-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/lib')
-rw-r--r--tools/perf/lib/evlist.c7
-rw-r--r--tools/perf/lib/include/internal/evlist.h2
2 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index 2bdd9d2c79d9..ae861bf38976 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -161,3 +161,10 @@ void perf_evlist__disable(struct perf_evlist *evlist)
perf_evlist__for_each_entry(evlist, evsel)
perf_evsel__disable(evsel);
}
+
+u64 perf_evlist__read_format(struct perf_evlist *evlist)
+{
+ struct perf_evsel *first = perf_evlist__first(evlist);
+
+ return first->attr.read_format;
+}
diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h
index 16ae6d6cfb39..63516fe14f4c 100644
--- a/tools/perf/lib/include/internal/evlist.h
+++ b/tools/perf/lib/include/internal/evlist.h
@@ -66,4 +66,6 @@ static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
return list_entry(evlist->entries.prev, struct perf_evsel, node);
}
+u64 perf_evlist__read_format(struct perf_evlist *evlist);
+
#endif /* __LIBPERF_INTERNAL_EVLIST_H */