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Linux kernel mirror (for testing)
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kernel
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linux
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__snprint(struct cpu_map *map, char *buf, size_t size);
23size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
24int cpu_map__get_socket_id(int cpu);
25int cpu_map__get_socket(struct cpu_map *map, int idx, void *data);
26int cpu_map__get_core_id(int cpu);
27int cpu_map__get_core(struct cpu_map *map, int idx, void *data);
28int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
29int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
30
31struct cpu_map *cpu_map__get(struct cpu_map *map);
32void cpu_map__put(struct cpu_map *map);
33
34static inline int cpu_map__socket(struct cpu_map *sock, int s)
35{
36 if (!sock || s > sock->nr || s < 0)
37 return 0;
38 return sock->map[s];
39}
40
41static inline int cpu_map__id_to_socket(int id)
42{
43 return id >> 16;
44}
45
46static inline int cpu_map__id_to_cpu(int id)
47{
48 return id & 0xffff;
49}
50
51static inline int cpu_map__nr(const struct cpu_map *map)
52{
53 return map ? map->nr : 1;
54}
55
56static inline bool cpu_map__empty(const struct cpu_map *map)
57{
58 return map ? map->map[0] == -1 : true;
59}
60
61int cpu__setup_cpunode_map(void);
62
63int cpu__max_node(void);
64int cpu__max_cpu(void);
65int cpu__get_node(int cpu);
66
67int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
68 int (*f)(struct cpu_map *map, int cpu, void *data),
69 void *data);
70
71int cpu_map__cpu(struct cpu_map *cpus, int idx);
72bool cpu_map__has(struct cpu_map *cpus, int cpu);
73int cpu_map__idx(struct cpu_map *cpus, int cpu);
74#endif /* __PERF_CPUMAP_H */