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
10struct cpu_map {
11	int nr;
12	int map[];
13};
14
15struct cpu_map *cpu_map__new(const char *cpu_list);
16struct cpu_map *cpu_map__dummy_new(void);
17void cpu_map__delete(struct cpu_map *map);
18struct cpu_map *cpu_map__read(FILE *file);
19size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
20int cpu_map__get_socket(struct cpu_map *map, int idx);
21int cpu_map__get_core(struct cpu_map *map, int idx);
22int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
23int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
24
25static 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
32static inline int cpu_map__id_to_socket(int id)
33{
34	return id >> 16;
35}
36
37static inline int cpu_map__id_to_cpu(int id)
38{
39	return id & 0xffff;
40}
41
42static inline int cpu_map__nr(const struct cpu_map *map)
43{
44	return map ? map->nr : 1;
45}
46
47static inline bool cpu_map__empty(const struct cpu_map *map)
48{
49	return map ? map->map[0] == -1 : true;
50}
51
52int max_cpu_num;
53int max_node_num;
54int *cpunode_map;
55
56int cpu__setup_cpunode_map(void);
57
58static 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
66static 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
74static 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