xref: /openbmc/linux/tools/perf/util/cpumap.h (revision 26ba4e57)
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 
10 struct perf_record_cpu_map_data;
11 
12 struct perf_cpu_map *perf_cpu_map__empty_new(int nr);
13 struct perf_cpu_map *cpu_map__new_data(struct perf_record_cpu_map_data *data);
14 size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
15 size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size);
16 size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp);
17 int cpu_map__get_socket_id(int cpu);
18 int cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data);
19 int cpu_map__get_die_id(int cpu);
20 int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data);
21 int cpu_map__get_core_id(int cpu);
22 int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data);
23 int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp);
24 int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct perf_cpu_map **diep);
25 int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct perf_cpu_map **corep);
26 const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */
27 
28 static 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 
35 static inline int cpu_map__id_to_socket(int id)
36 {
37 	return id >> 24;
38 }
39 
40 static inline int cpu_map__id_to_die(int id)
41 {
42 	return (id >> 16) & 0xff;
43 }
44 
45 static inline int cpu_map__id_to_cpu(int id)
46 {
47 	return id & 0xffff;
48 }
49 
50 int cpu__setup_cpunode_map(void);
51 
52 int cpu__max_node(void);
53 int cpu__max_cpu(void);
54 int cpu__max_present_cpu(void);
55 int cpu__get_node(int cpu);
56 
57 int 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 
61 int cpu_map__cpu(struct perf_cpu_map *cpus, int idx);
62 bool cpu_map__has(struct perf_cpu_map *cpus, int cpu);
63 #endif /* __PERF_CPUMAP_H */
64