xref: /openbmc/linux/tools/lib/perf/include/perf/evsel.h (revision c93db682)
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 struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr);
25 LIBPERF_API void perf_evsel__delete(struct perf_evsel *evsel);
26 LIBPERF_API int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
27 				 struct perf_thread_map *threads);
28 LIBPERF_API void perf_evsel__close(struct perf_evsel *evsel);
29 LIBPERF_API void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu);
30 LIBPERF_API int perf_evsel__mmap(struct perf_evsel *evsel, int pages);
31 LIBPERF_API void perf_evsel__munmap(struct perf_evsel *evsel);
32 LIBPERF_API void *perf_evsel__mmap_base(struct perf_evsel *evsel, int cpu, int thread);
33 LIBPERF_API int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
34 				 struct perf_counts_values *count);
35 LIBPERF_API int perf_evsel__enable(struct perf_evsel *evsel);
36 LIBPERF_API int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu);
37 LIBPERF_API int perf_evsel__disable(struct perf_evsel *evsel);
38 LIBPERF_API int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu);
39 LIBPERF_API struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel);
40 LIBPERF_API struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel);
41 LIBPERF_API struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel);
42 
43 #endif /* __LIBPERF_EVSEL_H */
44