tools/perf/util/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
  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__get_node_id(int cpu);
  24 int cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data);
  25 int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp);
  26 int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct perf_cpu_map **diep);
  27 int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct perf_cpu_map **corep);
  28 int cpu_map__build_node_map(struct perf_cpu_map *cpus, struct perf_cpu_map **nodep);
  29 const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */
  30
  31 static inline int cpu_map__socket(struct perf_cpu_map *sock, int s)
  32 {
  33         if (!sock || s > sock->nr || s < 0)
  34                 return 0;
  35         return sock->map[s];
  36 }
  37
  38 static inline int cpu_map__id_to_socket(int id)
  39 {
  40         return id >> 24;
  41 }
  42
  43 static inline int cpu_map__id_to_die(int id)
  44 {
  45         return (id >> 16) & 0xff;
  46 }
  47
  48 static inline int cpu_map__id_to_cpu(int id)
  49 {
  50         return id & 0xffff;
  51 }
  52
  53 int cpu__setup_cpunode_map(void);
  54
  55 int cpu__max_node(void);
  56 int cpu__max_cpu(void);
  57 int cpu__max_present_cpu(void);
  58 int cpu__get_node(int cpu);
  59
  60 int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res,
  61                        int (*f)(struct perf_cpu_map *map, int cpu, void *data),
  62                        void *data);
  63
  64 int cpu_map__cpu(struct perf_cpu_map *cpus, int idx);
  65 bool cpu_map__has(struct perf_cpu_map *cpus, int cpu);
  66
  67 #endif /* __PERF_CPUMAP_H */