Commit dd1d8418 authored by Jin Yao's avatar Jin Yao Committed by Arnaldo Carvalho de Melo
Browse files

perf streams: Get the evsel_streams by evsel_idx 



In previous patch, we have created evsel_streams array.

This patch returns the specified evsel_streams according to the
evsel_idx.

Signed-off-by: default avatarJin Yao <yao.jin@linux.intel.com>
Acked-by: default avatarJiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20201009022845.13141-3-yao.jin@linux.intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 480accbb

tools/perf/util/stream.c

+13 −0
Original line number Diff line number Diff line
@@ -162,3 +162,16 @@ struct evlist_streams *evlist__create_streams(struct evlist *evlist, 


	return els;

}



struct evsel_streams *evsel_streams__entry(struct evlist_streams *els,

					   int evsel_idx)

{

	struct evsel_streams *es = els->ev_streams;



	for (int i = 0; i < els->nr_evsel; i++) {

		if (es[i].evsel_idx == evsel_idx)

			return &es[i];

	}



	return NULL;

}

tools/perf/util/stream.h

+3 −0
Original line number Diff line number Diff line
@@ -27,4 +27,7 @@ void evlist_streams__delete(struct evlist_streams *els); 
struct evlist_streams *evlist__create_streams(struct evlist *evlist,

					      int nr_streams_max);



struct evsel_streams *evsel_streams__entry(struct evlist_streams *els,

					   int evsel_idx);



#endif /* __PERF_STREAM_H */

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