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      1 #ifndef __PERF_CPUMAP_H
      2 #define __PERF_CPUMAP_H
      3 
      4 #include <stdio.h>
      5 #include <stdbool.h>
      6 
      7 struct cpu_map {
      8 	int nr;
      9 	int map[];
     10 };
     11 
     12 struct cpu_map *cpu_map__new(const char *cpu_list);
     13 struct cpu_map *cpu_map__dummy_new(void);
     14 void cpu_map__delete(struct cpu_map *map);
     15 struct cpu_map *cpu_map__read(FILE *file);
     16 size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
     17 int cpu_map__get_socket(struct cpu_map *map, int idx);
     18 int cpu_map__get_core(struct cpu_map *map, int idx);
     19 int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
     20 int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
     21 
     22 static inline int cpu_map__socket(struct cpu_map *sock, int s)
     23 {
     24 	if (!sock || s > sock->nr || s < 0)
     25 		return 0;
     26 	return sock->map[s];
     27 }
     28 
     29 static inline int cpu_map__id_to_socket(int id)
     30 {
     31 	return id >> 16;
     32 }
     33 
     34 static inline int cpu_map__id_to_cpu(int id)
     35 {
     36 	return id & 0xffff;
     37 }
     38 
     39 static inline int cpu_map__nr(const struct cpu_map *map)
     40 {
     41 	return map ? map->nr : 1;
     42 }
     43 
     44 static inline bool cpu_map__empty(const struct cpu_map *map)
     45 {
     46 	return map ? map->map[0] == -1 : true;
     47 }
     48 
     49 #endif /* __PERF_CPUMAP_H */
     50