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__snprint(struct cpu_map *map, char *buf, size_t size); 23 size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); 24 int cpu_map__get_socket_id(int cpu); 25 int cpu_map__get_socket(struct cpu_map *map, int idx, void *data); 26 int cpu_map__get_core_id(int cpu); 27 int cpu_map__get_core(struct cpu_map *map, int idx, void *data); 28 int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp); 29 int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep); 30 31 struct cpu_map *cpu_map__get(struct cpu_map *map); 32 void cpu_map__put(struct cpu_map *map); 33 34 static inline int cpu_map__socket(struct cpu_map *sock, int s) 35 { 36 if (!sock || s > sock->nr || s < 0) 37 return 0; 38 return sock->map[s]; 39 } 40 41 static inline int cpu_map__id_to_socket(int id) 42 { 43 return id >> 16; 44 } 45 46 static inline int cpu_map__id_to_cpu(int id) 47 { 48 return id & 0xffff; 49 } 50 51 static inline int cpu_map__nr(const struct cpu_map *map) 52 { 53 return map ? map->nr : 1; 54 } 55 56 static inline bool cpu_map__empty(const struct cpu_map *map) 57 { 58 return map ? map->map[0] == -1 : true; 59 } 60 61 int cpu__setup_cpunode_map(void); 62 63 int cpu__max_node(void); 64 int cpu__max_cpu(void); 65 int cpu__max_present_cpu(void); 66 int cpu__get_node(int cpu); 67 68 int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res, 69 int (*f)(struct cpu_map *map, int cpu, void *data), 70 void *data); 71 72 int cpu_map__cpu(struct cpu_map *cpus, int idx); 73 bool cpu_map__has(struct cpu_map *cpus, int cpu); 74 int cpu_map__idx(struct cpu_map *cpus, int cpu); 75 #endif /* __PERF_CPUMAP_H */ 76