1#ifndef __PERF_CPUMAP_H
2#define __PERF_CPUMAP_H
3
4#include <stdio.h>
5#include <stdbool.h>
6#include <linux/refcount.h>
7
8#include "perf.h"
9#include "util/debug.h"
10
11struct cpu_map {
12 refcount_t refcnt;
13 int nr;
14 int map[];
15};
16
17struct cpu_map *cpu_map__new(const char *cpu_list);
18struct cpu_map *cpu_map__empty_new(int nr);
19struct cpu_map *cpu_map__dummy_new(void);
20struct cpu_map *cpu_map__new_data(struct cpu_map_data *data);
21struct cpu_map *cpu_map__read(FILE *file);
22size_t cpu_map__snprint(struct cpu_map *map, char *buf, size_t size);
23size_t cpu_map__snprint_mask(struct cpu_map *map, char *buf, size_t size);
24size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
25int cpu_map__get_socket_id(int cpu);
26int cpu_map__get_socket(struct cpu_map *map, int idx, void *data);
27int cpu_map__get_core_id(int cpu);
28int cpu_map__get_core(struct cpu_map *map, int idx, void *data);
29int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
30int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
31
32struct cpu_map *cpu_map__get(struct cpu_map *map);
33void cpu_map__put(struct cpu_map *map);
34
35static inline int cpu_map__socket(struct cpu_map *sock, int s)
36{
37 if (!sock || s > sock->nr || s < 0)
38 return 0;
39 return sock->map[s];
40}
41
42static inline int cpu_map__id_to_socket(int id)
43{
44 return id >> 16;
45}
46
47static inline int cpu_map__id_to_cpu(int id)
48{
49 return id & 0xffff;
50}
51
52static inline int cpu_map__nr(const struct cpu_map *map)
53{
54 return map ? map->nr : 1;
55}
56
57static inline bool cpu_map__empty(const struct cpu_map *map)
58{
59 return map ? map->map[0] == -1 : true;
60}
61
62int cpu__setup_cpunode_map(void);
63
64int cpu__max_node(void);
65int cpu__max_cpu(void);
66int cpu__max_present_cpu(void);
67int cpu__get_node(int cpu);
68
69int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
70 int (*f)(struct cpu_map *map, int cpu, void *data),
71 void *data);
72
73int cpu_map__cpu(struct cpu_map *cpus, int idx);
74bool cpu_map__has(struct cpu_map *cpus, int cpu);
75int cpu_map__idx(struct cpu_map *cpus, int cpu);
76#endif
77
