tools/perf/util/stream.h

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