tools/power/cpupower/lib/cpupower.h

   1 #ifndef __CPUPOWER_CPUPOWER_H__
   2 #define __CPUPOWER_CPUPOWER_H__
   3
   4 struct cpupower_topology {
   5         /* Amount of CPU cores, packages and threads per core in the system */
   6         unsigned int cores;
   7         unsigned int pkgs;
   8         unsigned int threads; /* per core */
   9
  10         /* Array gets mallocated with cores entries, holding per core info */
  11         struct cpuid_core_info *core_info;
  12 };
  13
  14 struct cpuid_core_info {
  15         int pkg;
  16         int core;
  17         int cpu;
  18
  19         /* flags */
  20         unsigned int is_online:1;
  21 };
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 int get_cpu_topology(struct cpupower_topology *cpu_top);
  28 void cpu_topology_release(struct cpupower_topology cpu_top);
  29 int cpupower_is_cpu_online(unsigned int cpu);
  30
  31 #ifdef __cplusplus
  32 }
  33 #endif
  34
  35 #endif