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