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 10 struct perf_evsel; 11 struct perf_event_attr; 12 struct perf_cpu_map; 13 struct perf_thread_map; 14 15 struct perf_counts_values { 16 union { 17 struct { 18 uint64_t val; 19 uint64_t ena; 20 uint64_t run; 21 }; 22 uint64_t values[3]; 23 }; 24 }; 25 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 void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu_map_idx); 32 LIBPERF_API int perf_evsel__mmap(struct perf_evsel *evsel, int pages); 33 LIBPERF_API void perf_evsel__munmap(struct perf_evsel *evsel); 34 LIBPERF_API void *perf_evsel__mmap_base(struct perf_evsel *evsel, int cpu_map_idx, int thread); 35 LIBPERF_API int perf_evsel__read(struct perf_evsel *evsel, int cpu_map_idx, int thread, 36 struct perf_counts_values *count); 37 LIBPERF_API int perf_evsel__enable(struct perf_evsel *evsel); 38 LIBPERF_API int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu_map_idx); 39 LIBPERF_API int perf_evsel__disable(struct perf_evsel *evsel); 40 LIBPERF_API int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu_map_idx); 41 LIBPERF_API struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel); 42 LIBPERF_API struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel); 43 LIBPERF_API struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel); 44 LIBPERF_API void perf_counts_values__scale(struct perf_counts_values *count, 45 bool scale, __s8 *pscaled); 46 47 #endif /* __LIBPERF_EVSEL_H */ 48