stream.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __PERF_STREAM_H
 3#define __PERF_STREAM_H
 4
 5struct callchain_node;
 6struct evlist;
 7struct evsel;
 8
 9struct stream {
10	struct callchain_node	*cnode;
11	struct callchain_node	*pair_cnode;
12};
13
14struct evsel_streams {
15	struct stream		*streams;
16	const struct evsel	*evsel;
17	int			nr_streams_max;
18	int			nr_streams;
19	u64			streams_hits;
20};
21
22struct evlist_streams {
23	struct evsel_streams	*ev_streams;
24	int			nr_evsel;
25};
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					   const struct evsel *evsel);
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 */