1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LIBPERF_CPUMAP_H
3 #define __LIBPERF_CPUMAP_H
4 
5 #include <perf/core.h>
6 #include <stdio.h>
7 #include <stdbool.h>
8 
9 /** A wrapper around a CPU to avoid confusion with the perf_cpu_map's map's indices. */
10 struct perf_cpu {
11 	int cpu;
12 };
13 
14 struct perf_cpu_map;
15 
16 LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(void);
17 LIBPERF_API struct perf_cpu_map *perf_cpu_map__default_new(void);
18 LIBPERF_API struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list);
19 LIBPERF_API struct perf_cpu_map *perf_cpu_map__read(FILE *file);
20 LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map);
21 LIBPERF_API struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
22 						     struct perf_cpu_map *other);
23 LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
24 LIBPERF_API struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
25 LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
26 LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map);
27 LIBPERF_API struct perf_cpu perf_cpu_map__max(const struct perf_cpu_map *map);
28 LIBPERF_API bool perf_cpu_map__has(const struct perf_cpu_map *map, struct perf_cpu cpu);
29 
30 #define perf_cpu_map__for_each_cpu(cpu, idx, cpus)		\
31 	for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx);	\
32 	     (idx) < perf_cpu_map__nr(cpus);			\
33 	     (idx)++, (cpu) = perf_cpu_map__cpu(cpus, idx))
34 
35 #define perf_cpu_map__for_each_idx(idx, cpus)				\
36 	for ((idx) = 0; (idx) < perf_cpu_map__nr(cpus); (idx)++)
37 
38 #endif /* __LIBPERF_CPUMAP_H */
39