xref: /linux/tools/perf/util/cpumap.h (revision ec8a42e7343234802b9054874fe01810880289ce)
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 aggr_cpu_id {
11 	int thread;
12 	int node;
13 	int socket;
14 	int die;
15 	int core;
16 };
17 
18 struct cpu_aggr_map {
19 	refcount_t refcnt;
20 	int nr;
21 	struct aggr_cpu_id map[];
22 };
23 
24 struct perf_record_cpu_map_data;
25 
26 struct perf_cpu_map *perf_cpu_map__empty_new(int nr);
27 struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr);
28 
29 struct perf_cpu_map *cpu_map__new_data(struct perf_record_cpu_map_data *data);
30 size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
31 size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size);
32 size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp);
33 int cpu_map__get_socket_id(int cpu);
34 struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data);
35 int cpu_map__get_die_id(int cpu);
36 struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data);
37 int cpu_map__get_core_id(int cpu);
38 struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data);
39 int cpu_map__get_node_id(int cpu);
40 struct aggr_cpu_id  cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data);
41 int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **sockp);
42 int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **diep);
43 int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **corep);
44 int cpu_map__build_node_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **nodep);
45 const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */
46 
47 static inline int cpu_map__socket(struct perf_cpu_map *sock, int s)
48 {
49 	if (!sock || s > sock->nr || s < 0)
50 		return 0;
51 	return sock->map[s];
52 }
53 
54 int cpu__setup_cpunode_map(void);
55 
56 int cpu__max_node(void);
57 int cpu__max_cpu(void);
58 int cpu__max_present_cpu(void);
59 int cpu__get_node(int cpu);
60 
61 int cpu_map__build_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **res,
62 		       struct aggr_cpu_id (*f)(struct perf_cpu_map *map, int cpu, void *data),
63 		       void *data);
64 
65 int cpu_map__cpu(struct perf_cpu_map *cpus, int idx);
66 bool cpu_map__has(struct perf_cpu_map *cpus, int cpu);
67 
68 bool cpu_map__compare_aggr_cpu_id(struct aggr_cpu_id a, struct aggr_cpu_id b);
69 bool cpu_map__aggr_cpu_id_is_empty(struct aggr_cpu_id a);
70 struct aggr_cpu_id cpu_map__empty_aggr_cpu_id(void);
71 
72 #endif /* __PERF_CPUMAP_H */
73