#include <stdio.h>

#include <Windows.h>

int main(void){

    LARGE_INTEGER ticks,Frequency;

    QueryPerformanceFrequency(&Frequency);//获取频率

    printf("频率:%d\n",Frequency.QuadPart);

    //频率一般为10000000 分辨率为100ns

    while (1)

    {

        QueryPerformanceCounter(&ticks);//获取一个时间戳

        printf("time(s):%.7lf\n",(double)ticks.QuadPart/(double)Frequency.QuadPart);

    }

}