1 #ifndef __PERF_CPUMAP_H 2 #define __PERF_CPUMAP_H 3 4 #include <stdio.h> 5 #include <stdbool.h> 6 #include <linux/atomic.h> 7 8 #include "perf.h" 9 #include "util/debug.h" 10 11 struct cpu_map { 12 atomic_t refcnt; 13 int nr; 14 int map[]; 15 }; 16 17 struct cpu_map *cpu_map__new(const char *cpu_list); 18 struct cpu_map *cpu_map__empty_new(int nr); 19 struct cpu_map *cpu_map__dummy_new(void); 20 struct cpu_map *cpu_map__new_data(struct cpu_map_data *data); 21 struct cpu_map *cpu_map__read(FILE *file); 22 size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); 23 int cpu_map__get_socket_id(int cpu); 24 int cpu_map__get_socket(struct cpu_map *map, int idx, void *data); 25 int cpu_map__get_core_id(int cpu); 26 int cpu_map__get_core(struct cpu_map *map, int idx, void *data); 27 int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp); 28 int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep); 29 30 struct cpu_map *cpu_map__get(struct cpu_map *map); 31 void cpu_map__put(struct cpu_map *map); 32 33 static inline int cpu_map__socket(struct cpu_map *sock, int s) 34 { 35 if (!sock || s > sock->nr || s < 0) 36 return 0; 37 return sock->map[s]; 38 } 39 40 static inline int cpu_map__id_to_socket(int id) 41 { 42 return id >> 16; 43 } 44 45 static inline int cpu_map__id_to_cpu(int id) 46 { 47 return id & 0xffff; 48 } 49 50 static inline int cpu_map__nr(const struct cpu_map *map) 51 { 52 return map ? map->nr : 1; 53 } 54 55 static inline bool cpu_map__empty(const struct cpu_map *map) 56 { 57 return map ? map->map[0] == -1 : true; 58 } 59 60 int cpu__setup_cpunode_map(void); 61 62 int cpu__max_node(void); 63 int cpu__max_cpu(void); 64 int cpu__get_node(int cpu); 65 66 int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res, 67 int (*f)(struct cpu_map *map, int cpu, void *data), 68 void *data); 69 70 bool cpu_map__has(struct cpu_map *cpus, int cpu); 71 #endif /* __PERF_CPUMAP_H */ 72