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_cache { 15 int cache_lvl; 16 int cache; 17 }; 18 19 struct perf_cpu_map; 20 21 /** 22 * perf_cpu_map__dummy_new - a map with a singular "any CPU"/dummy -1 value. 23 */ 24 LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(void); 25 LIBPERF_API struct perf_cpu_map *perf_cpu_map__default_new(void); 26 LIBPERF_API struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list); 27 LIBPERF_API struct perf_cpu_map *perf_cpu_map__read(FILE *file); 28 LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map); 29 LIBPERF_API struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig, 30 struct perf_cpu_map *other); 31 LIBPERF_API struct perf_cpu_map *perf_cpu_map__intersect(struct perf_cpu_map *orig, 32 struct perf_cpu_map *other); 33 LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map); 34 LIBPERF_API struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx); 35 LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus); 36 /** 37 * perf_cpu_map__empty - is map either empty or the "any CPU"/dummy value. 38 */ 39 LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map); 40 LIBPERF_API struct perf_cpu perf_cpu_map__max(const struct perf_cpu_map *map); 41 LIBPERF_API bool perf_cpu_map__has(const struct perf_cpu_map *map, struct perf_cpu cpu); 42 LIBPERF_API bool perf_cpu_map__equal(const struct perf_cpu_map *lhs, 43 const struct perf_cpu_map *rhs); 44 /** 45 * perf_cpu_map__any_cpu - Does the map contain the "any CPU"/dummy -1 value? 46 */ 47 LIBPERF_API bool perf_cpu_map__has_any_cpu(const struct perf_cpu_map *map); 48 49 #define perf_cpu_map__for_each_cpu(cpu, idx, cpus) \ 50 for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx); \ 51 (idx) < perf_cpu_map__nr(cpus); \ 52 (idx)++, (cpu) = perf_cpu_map__cpu(cpus, idx)) 53 54 #define perf_cpu_map__for_each_idx(idx, cpus) \ 55 for ((idx) = 0; (idx) < perf_cpu_map__nr(cpus); (idx)++) 56 57 #endif /* __LIBPERF_CPUMAP_H */ 58