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1 #ifndef __PERF_CPUMAP_H
2 #define __PERF_CPUMAP_H
3 
4 #include <stdio.h>
5 #include <stdbool.h>
6 
7 #include "perf.h"
8 #include "util/debug.h"
9 
10 struct cpu_map {
11 	int nr;
12 	int map[];
13 };
14 
15 struct cpu_map *cpu_map__new(const char *cpu_list);
16 struct cpu_map *cpu_map__dummy_new(void);
17 void cpu_map__delete(struct cpu_map *map);
18 struct cpu_map *cpu_map__read(FILE *file);
19 size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
20 int cpu_map__get_socket(struct cpu_map *map, int idx);
21 int cpu_map__get_core(struct cpu_map *map, int idx);
22 int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
23 int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
24 
cpu_map__socket(struct cpu_map * sock,int s)25 static inline int cpu_map__socket(struct cpu_map *sock, int s)
26 {
27 	if (!sock || s > sock->nr || s < 0)
28 		return 0;
29 	return sock->map[s];
30 }
31 
cpu_map__id_to_socket(int id)32 static inline int cpu_map__id_to_socket(int id)
33 {
34 	return id >> 16;
35 }
36 
cpu_map__id_to_cpu(int id)37 static inline int cpu_map__id_to_cpu(int id)
38 {
39 	return id & 0xffff;
40 }
41 
cpu_map__nr(const struct cpu_map * map)42 static inline int cpu_map__nr(const struct cpu_map *map)
43 {
44 	return map ? map->nr : 1;
45 }
46 
cpu_map__empty(const struct cpu_map * map)47 static inline bool cpu_map__empty(const struct cpu_map *map)
48 {
49 	return map ? map->map[0] == -1 : true;
50 }
51 
52 int max_cpu_num;
53 int max_node_num;
54 int *cpunode_map;
55 
56 int cpu__setup_cpunode_map(void);
57 
cpu__max_node(void)58 static inline int cpu__max_node(void)
59 {
60 	if (unlikely(!max_node_num))
61 		pr_debug("cpu_map not initialized\n");
62 
63 	return max_node_num;
64 }
65 
cpu__max_cpu(void)66 static inline int cpu__max_cpu(void)
67 {
68 	if (unlikely(!max_cpu_num))
69 		pr_debug("cpu_map not initialized\n");
70 
71 	return max_cpu_num;
72 }
73 
cpu__get_node(int cpu)74 static inline int cpu__get_node(int cpu)
75 {
76 	if (unlikely(cpunode_map == NULL)) {
77 		pr_debug("cpu_map not initialized\n");
78 		return -1;
79 	}
80 
81 	return cpunode_map[cpu];
82 }
83 
84 #endif /* __PERF_CPUMAP_H */
85