1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __PERF_STREAM_H
 3#define __PERF_STREAM_H
 4
 5#include "callchain.h"
 6
 7struct stream {
 8	struct callchain_node	*cnode;
 9	struct callchain_node	*pair_cnode;
10};
11
12struct evsel_streams {
13	struct stream		*streams;
14	int			nr_streams_max;
15	int			nr_streams;
16	int			evsel_idx;
17	u64			streams_hits;
18};
19
20struct evlist_streams {
21	struct evsel_streams	*ev_streams;
22	int			nr_evsel;
23};
24
25struct evlist;
26
27void evlist_streams__delete(struct evlist_streams *els);
28
29struct evlist_streams *evlist__create_streams(struct evlist *evlist,
30					      int nr_streams_max);
31
32struct evsel_streams *evsel_streams__entry(struct evlist_streams *els,
33					   int evsel_idx);
34
35void evsel_streams__match(struct evsel_streams *es_base,
36			  struct evsel_streams *es_pair);
37
38void evsel_streams__report(struct evsel_streams *es_base,
39			   struct evsel_streams *es_pair);
40
41#endif /* __PERF_STREAM_H */