root/tools/perf/lib/include/perf/evsel.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __LIBPERF_EVSEL_H
   3 #define __LIBPERF_EVSEL_H
   4 
   5 #include <stdint.h>
   6 #include <perf/core.h>
   7 
   8 struct perf_evsel;
   9 struct perf_event_attr;
  10 struct perf_cpu_map;
  11 struct perf_thread_map;
  12 
  13 struct perf_counts_values {
  14         union {
  15                 struct {
  16                         uint64_t val;
  17                         uint64_t ena;
  18                         uint64_t run;
  19                 };
  20                 uint64_t values[3];
  21         };
  22 };
  23 
  24 LIBPERF_API void perf_evsel__init(struct perf_evsel *evsel,
  25                                   struct perf_event_attr *attr);
  26 LIBPERF_API struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr);
  27 LIBPERF_API void perf_evsel__delete(struct perf_evsel *evsel);
  28 LIBPERF_API int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
  29                                  struct perf_thread_map *threads);
  30 LIBPERF_API void perf_evsel__close(struct perf_evsel *evsel);
  31 LIBPERF_API int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
  32                                  struct perf_counts_values *count);
  33 LIBPERF_API int perf_evsel__enable(struct perf_evsel *evsel);
  34 LIBPERF_API int perf_evsel__disable(struct perf_evsel *evsel);
  35 LIBPERF_API struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel);
  36 LIBPERF_API struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel);
  37 LIBPERF_API struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel);
  38 
  39 #endif /* __LIBPERF_EVSEL_H */