Commit | Line | Data |
---|---|---|
a12b51c4 PM |
1 | #ifndef __PERF_CPUMAP_H |
2 | #define __PERF_CPUMAP_H | |
3 | ||
9ae7d335 | 4 | #include <stdio.h> |
a14bb7a6 | 5 | #include <stdbool.h> |
f30a79b0 | 6 | #include <linux/atomic.h> |
9ae7d335 | 7 | |
7780c25b DZ |
8 | #include "perf.h" |
9 | #include "util/debug.h" | |
10 | ||
60d567e2 | 11 | struct cpu_map { |
f30a79b0 | 12 | atomic_t refcnt; |
60d567e2 ACM |
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__dummy_new(void); | |
7ae92e74 | 19 | struct cpu_map *cpu_map__read(FILE *file); |
9ae7d335 | 20 | size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); |
5ac59a8a | 21 | int cpu_map__get_socket(struct cpu_map *map, int idx); |
12c08a9f | 22 | int cpu_map__get_core(struct cpu_map *map, int idx); |
5ac59a8a | 23 | int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp); |
12c08a9f | 24 | int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep); |
5ac59a8a | 25 | |
f30a79b0 JO |
26 | struct cpu_map *cpu_map__get(struct cpu_map *map); |
27 | void cpu_map__put(struct cpu_map *map); | |
28 | ||
5ac59a8a SE |
29 | static inline int cpu_map__socket(struct cpu_map *sock, int s) |
30 | { | |
31 | if (!sock || s > sock->nr || s < 0) | |
32 | return 0; | |
33 | return sock->map[s]; | |
34 | } | |
9ae7d335 | 35 | |
12c08a9f SE |
36 | static inline int cpu_map__id_to_socket(int id) |
37 | { | |
38 | return id >> 16; | |
39 | } | |
40 | ||
41 | static inline int cpu_map__id_to_cpu(int id) | |
42 | { | |
43 | return id & 0xffff; | |
44 | } | |
45 | ||
a14bb7a6 ACM |
46 | static inline int cpu_map__nr(const struct cpu_map *map) |
47 | { | |
48 | return map ? map->nr : 1; | |
49 | } | |
50 | ||
ec1e7e43 | 51 | static inline bool cpu_map__empty(const struct cpu_map *map) |
a14bb7a6 ACM |
52 | { |
53 | return map ? map->map[0] == -1 : true; | |
54 | } | |
55 | ||
7780c25b DZ |
56 | int max_cpu_num; |
57 | int max_node_num; | |
58 | int *cpunode_map; | |
59 | ||
60 | int cpu__setup_cpunode_map(void); | |
61 | ||
62 | static inline int cpu__max_node(void) | |
63 | { | |
64 | if (unlikely(!max_node_num)) | |
65 | pr_debug("cpu_map not initialized\n"); | |
66 | ||
67 | return max_node_num; | |
68 | } | |
69 | ||
70 | static inline int cpu__max_cpu(void) | |
71 | { | |
72 | if (unlikely(!max_cpu_num)) | |
73 | pr_debug("cpu_map not initialized\n"); | |
74 | ||
75 | return max_cpu_num; | |
76 | } | |
77 | ||
78 | static inline int cpu__get_node(int cpu) | |
79 | { | |
80 | if (unlikely(cpunode_map == NULL)) { | |
81 | pr_debug("cpu_map not initialized\n"); | |
82 | return -1; | |
83 | } | |
84 | ||
85 | return cpunode_map[cpu]; | |
86 | } | |
87 | ||
a12b51c4 | 88 | #endif /* __PERF_CPUMAP_H */ |