kernel/tools/power/cpupower/lib/cpupower.h

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2024-07-22 17:22:30 +08:00
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __CPUPOWER_CPUPOWER_H__
#define __CPUPOWER_CPUPOWER_H__
struct cpupower_topology {
/* Amount of CPU cores, packages and threads per core in the system */
unsigned int cores;
unsigned int pkgs;
unsigned int threads; /* per core */
/* Array gets mallocated with cores entries, holding per core info */
struct cpuid_core_info *core_info;
};
struct cpuid_core_info {
int pkg;
int core;
int cpu;
/* flags */
unsigned int is_online:1;
};
#ifdef __cplusplus
extern "C" {
#endif
int get_cpu_topology(struct cpupower_topology *cpu_top);
void cpu_topology_release(struct cpupower_topology cpu_top);
int cpupower_is_cpu_online(unsigned int cpu);
#ifdef __cplusplus
}
#endif
#endif