Linux Perf
cpumap.h
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1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_CPUMAP_H
3 #define __PERF_CPUMAP_H
4 
5 #include <stdio.h>
6 #include <stdbool.h>
7 #include <linux/refcount.h>
8 
9 #include "perf.h"
10 #include "util/debug.h"
11 
12 struct cpu_map {
13  refcount_t refcnt;
14  int nr;
15  int map[];
16 };
17 
18 struct cpu_map *cpu_map__new(const char *cpu_list);
19 struct cpu_map *cpu_map__empty_new(int nr);
20 struct cpu_map *cpu_map__dummy_new(void);
22 struct cpu_map *cpu_map__read(FILE *file);
23 size_t cpu_map__snprint(struct cpu_map *map, char *buf, size_t size);
24 size_t cpu_map__snprint_mask(struct cpu_map *map, char *buf, size_t size);
25 size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
26 int cpu_map__get_socket_id(int cpu);
27 int cpu_map__get_socket(struct cpu_map *map, int idx, void *data);
28 int cpu_map__get_core_id(int cpu);
29 int cpu_map__get_core(struct cpu_map *map, int idx, void *data);
30 int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
31 int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
32 
33 struct cpu_map *cpu_map__get(struct cpu_map *map);
34 void cpu_map__put(struct cpu_map *map);
35 
36 static inline int cpu_map__socket(struct cpu_map *sock, int s)
37 {
38  if (!sock || s > sock->nr || s < 0)
39  return 0;
40  return sock->map[s];
41 }
42 
43 static inline int cpu_map__id_to_socket(int id)
44 {
45  return id >> 16;
46 }
47 
48 static inline int cpu_map__id_to_cpu(int id)
49 {
50  return id & 0xffff;
51 }
52 
53 static inline int cpu_map__nr(const struct cpu_map *map)
54 {
55  return map ? map->nr : 1;
56 }
57 
58 static inline bool cpu_map__empty(const struct cpu_map *map)
59 {
60  return map ? map->map[0] == -1 : true;
61 }
62 
63 int cpu__setup_cpunode_map(void);
64 
65 int cpu__max_node(void);
66 int cpu__max_cpu(void);
67 int cpu__max_present_cpu(void);
68 int cpu__get_node(int cpu);
69 
70 int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
71  int (*f)(struct cpu_map *map, int cpu, void *data),
72  void *data);
73 
74 int cpu_map__cpu(struct cpu_map *cpus, int idx);
75 bool cpu_map__has(struct cpu_map *cpus, int cpu);
76 int cpu_map__idx(struct cpu_map *cpus, int cpu);
77 #endif /* __PERF_CPUMAP_H */
struct cpu_map * cpu_map__get(struct cpu_map *map)
Definition: cpumap.c:291
int nr
Definition: cpumap.h:14
int cpu__max_node(void)
Definition: cpumap.c:509
static int cpu_map__id_to_socket(int id)
Definition: cpumap.h:43
struct cpu_map * cpu_map__read(FILE *file)
Definition: cpumap.c:56
int cpu_map__get_core(struct cpu_map *map, int idx, void *data)
Definition: cpumap.c:375
size_t size
Definition: evsel.c:60
static int cpu_map__nr(const struct cpu_map *map)
Definition: cpumap.h:53
size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp)
Definition: cpumap.c:242
static int cpu_map__id_to_cpu(int id)
Definition: cpumap.h:48
dictionary data
Definition: stat-cpi.py:4
struct cpu_map * cpu_map__new_data(struct cpu_map_data *data)
Definition: cpumap.c:234
int cpu_map__cpu(struct cpu_map *cpus, int idx)
Definition: cpumap.c:633
int cpu__max_present_cpu(void)
Definition: cpumap.c:525
size_t cpu_map__snprint(struct cpu_map *map, char *buf, size_t size)
Definition: cpumap.c:638
int cpu_map__get_socket(struct cpu_map *map, int idx, void *data)
Definition: cpumap.h:12
void cpu_map__put(struct cpu_map *map)
Definition: cpumap.c:298
int cpu__get_node(int cpu)
Definition: cpumap.c:534
int cpu_map__get_core_id(int cpu)
Definition: cpumap.c:369
struct cpu_map * cpu_map__new(const char *cpu_list)
Definition: cpumap.c:125
struct cpu_map * cpu_map__empty_new(int nr)
Definition: cpumap.c:265
static bool cpu_map__empty(const struct cpu_map *map)
Definition: cpumap.h:58
refcount_t refcnt
Definition: cpumap.h:13
int cpu__setup_cpunode_map(void)
Definition: cpumap.c:563
list cpus
Definition: stat-cpi.py:7
static const char * cpu_list
int map[]
Definition: cpumap.h:15
int cpu__max_cpu(void)
Definition: cpumap.c:517
int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp)
Definition: cpumap.c:399
int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res, int(*f)(struct cpu_map *map, int cpu, void *data), void *data)
Definition: cpumap.c:337
Definition: jevents.c:228
int cpu_map__get_socket_id(int cpu)
Definition: cpumap.c:314
int cpu_map__idx(struct cpu_map *cpus, int cpu)
Definition: cpumap.c:621
struct cpu_map * cpu_map__dummy_new(void)
Definition: cpumap.c:252
size_t cpu_map__snprint_mask(struct cpu_map *map, char *buf, size_t size)
Definition: cpumap.c:690
static FILE * f
Definition: intel-pt-log.c:30
bool cpu_map__has(struct cpu_map *cpus, int cpu)
Definition: cpumap.c:616
static int cpu_map__socket(struct cpu_map *sock, int s)
Definition: cpumap.h:36
int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep)
Definition: cpumap.c:404