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#include <stdbool.h>
8#include <linux/types.h>
9
10struct perf_evsel;
11struct perf_event_attr;
12struct perf_cpu_map;
13struct perf_thread_map;
14
15struct perf_counts_values {
16	union {
17		struct {
18			uint64_t val;
19			uint64_t ena;
20			uint64_t run;
21			uint64_t id;
22			uint64_t lost;
23		};
24		uint64_t values[5];
25	};
26};
27
28LIBPERF_API struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr);
29LIBPERF_API void perf_evsel__delete(struct perf_evsel *evsel);
30LIBPERF_API int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
31				 struct perf_thread_map *threads);
32LIBPERF_API void perf_evsel__close(struct perf_evsel *evsel);
33LIBPERF_API void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu_map_idx);
34LIBPERF_API int perf_evsel__mmap(struct perf_evsel *evsel, int pages);
35LIBPERF_API void perf_evsel__munmap(struct perf_evsel *evsel);
36LIBPERF_API void *perf_evsel__mmap_base(struct perf_evsel *evsel, int cpu_map_idx, int thread);
37LIBPERF_API int perf_evsel__read(struct perf_evsel *evsel, int cpu_map_idx, int thread,
38				 struct perf_counts_values *count);
39LIBPERF_API int perf_evsel__enable(struct perf_evsel *evsel);
40LIBPERF_API int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu_map_idx);
41LIBPERF_API int perf_evsel__enable_thread(struct perf_evsel *evsel, int thread);
42LIBPERF_API int perf_evsel__disable(struct perf_evsel *evsel);
43LIBPERF_API int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu_map_idx);
44LIBPERF_API struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel);
45LIBPERF_API struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel);
46LIBPERF_API struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel);
47LIBPERF_API void perf_counts_values__scale(struct perf_counts_values *count,
48					   bool scale, __s8 *pscaled);
49
50#endif /* __LIBPERF_EVSEL_H */
51