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 /* __PERF_CPUMAP_H */

 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 <internal/cpumap.h>
 8#include <perf/cpumap.h>
 9
10struct perf_record_cpu_map_data;
 
11
12struct perf_cpu_map *perf_cpu_map__empty_new(int nr);
13struct perf_cpu_map *cpu_map__new_data(struct perf_record_cpu_map_data *data);
14size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
15size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size);
16size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp);
 
 
 
 
 
 
 
17int cpu_map__get_socket_id(int cpu);
18int cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data);
19int cpu_map__get_die_id(int cpu);
20int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data);
21int cpu_map__get_core_id(int cpu);
22int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data);
23int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp);
24int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct perf_cpu_map **diep);
25int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct perf_cpu_map **corep);
26const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */
27
28static inline int cpu_map__socket(struct perf_cpu_map *sock, int s)
 
 
 
29{
30	if (!sock || s > sock->nr || s < 0)
31		return 0;
32	return sock->map[s];
33}
34
35static inline int cpu_map__id_to_socket(int id)
36{
37	return id >> 24;
38}
39
40static inline int cpu_map__id_to_die(int id)
41{
42	return (id >> 16) & 0xff;
43}
44
45static inline int cpu_map__id_to_cpu(int id)
 
 
 
 
 
46{
47	return id & 0xffff;
48}
49
50int cpu__setup_cpunode_map(void);
51
52int cpu__max_node(void);
53int cpu__max_cpu(void);
54int cpu__max_present_cpu(void);
55int cpu__get_node(int cpu);
56
57int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res,
58		       int (*f)(struct perf_cpu_map *map, int cpu, void *data),
59		       void *data);
60
61int cpu_map__cpu(struct perf_cpu_map *cpus, int idx);
62bool cpu_map__has(struct perf_cpu_map *cpus, int cpu);
63#endif /* __PERF_CPUMAP_H */