xref: /openbmc/linux/tools/perf/util/cpumap.h (revision 9d749629)
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__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
19 
20 static inline int cpu_map__socket(struct cpu_map *sock, int s)
21 {
22 	if (!sock || s > sock->nr || s < 0)
23 		return 0;
24 	return sock->map[s];
25 }
26 
27 static inline int cpu_map__nr(const struct cpu_map *map)
28 {
29 	return map ? map->nr : 1;
30 }
31 
32 static inline bool cpu_map__all(const struct cpu_map *map)
33 {
34 	return map ? map->map[0] == -1 : true;
35 }
36 
37 #endif /* __PERF_CPUMAP_H */
38