1 #ifndef __PERF_CPUMAP_H
2 #define __PERF_CPUMAP_H
3 
4 #include <stdio.h>
5 #include <stdbool.h>
6 
7 struct cpu_map {
8 	int nr;
9 	int map[];
10 };
11 
12 struct cpu_map *cpu_map__new(const char *cpu_list);
13 struct cpu_map *cpu_map__dummy_new(void);
14 void cpu_map__delete(struct cpu_map *map);
15 struct cpu_map *cpu_map__read(FILE *file);
16 size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
17 int cpu_map__get_socket(struct cpu_map *map, int idx);
18 int cpu_map__get_core(struct cpu_map *map, int idx);
19 int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
20 int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
21 
cpu_map__socket(struct cpu_map * sock,int s)22 static inline int cpu_map__socket(struct cpu_map *sock, int s)
23 {
24 	if (!sock || s > sock->nr || s < 0)
25 		return 0;
26 	return sock->map[s];
27 }
28 
cpu_map__id_to_socket(int id)29 static inline int cpu_map__id_to_socket(int id)
30 {
31 	return id >> 16;
32 }
33 
cpu_map__id_to_cpu(int id)34 static inline int cpu_map__id_to_cpu(int id)
35 {
36 	return id & 0xffff;
37 }
38 
cpu_map__nr(const struct cpu_map * map)39 static inline int cpu_map__nr(const struct cpu_map *map)
40 {
41 	return map ? map->nr : 1;
42 }
43 
cpu_map__empty(const struct cpu_map * map)44 static inline bool cpu_map__empty(const struct cpu_map *map)
45 {
46 	return map ? map->map[0] == -1 : true;
47 }
48 
49 #endif /* __PERF_CPUMAP_H */
50