1#ifndef __PERF_CPUMAP_H
2#define __PERF_CPUMAP_H
3
4#include <stdio.h>
5#include <stdbool.h>
6#include <linux/atomic.h>
7
8#include "perf.h"
9#include "util/debug.h"
10
11struct cpu_map {
12 atomic_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__fprintf(struct cpu_map *map, FILE *fp);
23int cpu_map__get_socket_id(int cpu);
24int cpu_map__get_socket(struct cpu_map *map, int idx, void *data);
25int cpu_map__get_core_id(int cpu);
26int cpu_map__get_core(struct cpu_map *map, int idx, void *data);
27int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
28int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
29
30struct cpu_map *cpu_map__get(struct cpu_map *map);
31void cpu_map__put(struct cpu_map *map);
32
33static inline int cpu_map__socket(struct cpu_map *sock, int s)
34{
35 if (!sock || s > sock->nr || s < 0)
36 return 0;
37 return sock->map[s];
38}
39
40static inline int cpu_map__id_to_socket(int id)
41{
42 return id >> 16;
43}
44
45static inline int cpu_map__id_to_cpu(int id)
46{
47 return id & 0xffff;
48}
49
50static inline int cpu_map__nr(const struct cpu_map *map)
51{
52 return map ? map->nr : 1;
53}
54
55static inline bool cpu_map__empty(const struct cpu_map *map)
56{
57 return map ? map->map[0] == -1 : true;
58}
59
60int cpu__setup_cpunode_map(void);
61
62int cpu__max_node(void);
63int cpu__max_cpu(void);
64int cpu__get_node(int cpu);
65
66int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
67 int (*f)(struct cpu_map *map, int cpu, void *data),
68 void *data);
69#endif
70
