blob: 8982d538da83dbddf736e69f6743c282cb9021ff (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
#ifndef __PERF_CPUMAP_H
#define __PERF_CPUMAP_H
#include <stdio.h>
#include <stdbool.h>
#include <linux/atomic.h>
#include "perf.h"
#include "util/debug.h"
struct cpu_map {
atomic_t refcnt;
int nr;
int map[];
};
struct cpu_map *cpu_map__new(const char *cpu_list);
struct cpu_map *cpu_map__dummy_new(void);
struct cpu_map *cpu_map__read(FILE *file);
size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
int cpu_map__get_socket_id(int cpu);
int cpu_map__get_socket(struct cpu_map *map, int idx);
int cpu_map__get_core_id(int cpu);
int cpu_map__get_core(struct cpu_map *map, int idx);
int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
struct cpu_map *cpu_map__get(struct cpu_map *map);
void cpu_map__put(struct cpu_map *map);
static inline int cpu_map__socket(struct cpu_map *sock, int s)
{
if (!sock || s > sock->nr || s < 0)
return 0;
return sock->map[s];
}
static inline int cpu_map__id_to_socket(int id)
{
return id >> 16;
}
static inline int cpu_map__id_to_cpu(int id)
{
return id & 0xffff;
}
static inline int cpu_map__nr(const struct cpu_map *map)
{
return map ? map->nr : 1;
}
static inline bool cpu_map__empty(const struct cpu_map *map)
{
return map ? map->map[0] == -1 : true;
}
int max_cpu_num;
int max_node_num;
int *cpunode_map;
int cpu__setup_cpunode_map(void);
static inline int cpu__max_node(void)
{
if (unlikely(!max_node_num))
pr_debug("cpu_map not initialized\n");
return max_node_num;
}
static inline int cpu__max_cpu(void)
{
if (unlikely(!max_cpu_num))
pr_debug("cpu_map not initialized\n");
return max_cpu_num;
}
static inline int cpu__get_node(int cpu)
{
if (unlikely(cpunode_map == NULL)) {
pr_debug("cpu_map not initialized\n");
return -1;
}
return cpunode_map[cpu];
}
#endif /* __PERF_CPUMAP_H */
|
