#include <stdio.h>#include <Windows.h>#ifdef __cplusplus extern "C" { #endif #include <Powrprof.h> #ifdef __cplusplus } #endif #define GetCPUTickCount() __rdtsc()typedef struct _PROCESSOR_POWER_INFORMATION {  ULONG Number;  ULONG MaxMhz;  ULONG CurrentMhz;  ULONG MhzLimit;  ULONG MaxIdleState;  ULONG CurrentIdleState;} PROCESSOR_POWER_INFORMATION, *PPROCESSOR_POWER_INFORMATION;int main(int argc, char* argv[]){	SYSTEM_INFO SystemInfo;	GetSystemInfo(&SystemInfo);	printf("dwNumberOfProcessors=%u, dwActiveProcessorMask=%u, wProcessorLevel=%u,wProcessorArchitecture=%u, dwPageSize=%u ",			SystemInfo.dwNumberOfProcessors, SystemInfo.dwActiveProcessorMask, SystemInfo.wProcessorLevel, 			SystemInfo.wProcessorArchitecture,SystemInfo.dwPageSize);	if(SystemInfo.dwNumberOfProcessors <= 1) 		return 0;	DWORD dwtmp = 0x0001;	//进程与指定cpu绑定,dwtmp第几位为1表示第几个CPU	dwtmp = 0x0002;	SetProcessAffinityMask(GetCurrentProcess(), dwtmp);	//线程与指定cpu绑定	//SetThreadAffinityMask(GetCurrentThread(),dwMask);		//unsigned __int64 uiCpuTick =  GetCPUTickCount();	unsigned __int64 uiTick = GetTickCount();	//获取CPU的时钟周期 info.CurrentMhz单位是MHZ = 1000000HZ	//表示CPU 1s中可以做多少次for循环	PROCESSOR_POWER_INFORMATION info;	long lRet = CallNtPowerInformation(ProcessorInformation, NULL, 0, &info, SystemInfo.dwNumberOfProcessors * sizeof(info));	unsigned int uiMhz = info.CurrentMhz * 1000000;	for ( ; ; )	{		for (int i = 0; i < uiMhz/500; i++)			;		Sleep(30);	}	return 0;}