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kernel/linux-imx6_3.14.28/tools/perf/util/cpumap.h 1.11 KB
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  #ifndef __PERF_CPUMAP_H
  #define __PERF_CPUMAP_H
  
  #include <stdio.h>
  #include <stdbool.h>
  
  struct cpu_map {
  	int nr;
  	int map[];
  };
  
  struct cpu_map *cpu_map__new(const char *cpu_list);
  struct cpu_map *cpu_map__dummy_new(void);
  void cpu_map__delete(struct cpu_map *map);
  struct cpu_map *cpu_map__read(FILE *file);
  size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
  int cpu_map__get_socket(struct cpu_map *map, int idx);
  int cpu_map__get_core(struct cpu_map *map, int idx);
  int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
  int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);
  
  static inline int cpu_map__socket(struct cpu_map *sock, int s)
  {
  	if (!sock || s > sock->nr || s < 0)
  		return 0;
  	return sock->map[s];
  }
  
  static inline int cpu_map__id_to_socket(int id)
  {
  	return id >> 16;
  }
  
  static inline int cpu_map__id_to_cpu(int id)
  {
  	return id & 0xffff;
  }
  
  static inline int cpu_map__nr(const struct cpu_map *map)
  {
  	return map ? map->nr : 1;
  }
  
  static inline bool cpu_map__empty(const struct cpu_map *map)
  {
  	return map ? map->map[0] == -1 : true;
  }
  
  #endif /* __PERF_CPUMAP_H */