vs 程序运行时间

场景:VS2008下怎么统计程序运行时间

VS2008下如何统计程序运行时间?
RT
细致一点,如何统计函数的运行时间?
要精确的。最好有微秒级。

------解决方案--------------------
#include<iostream>
#include<windows.h>

int main()
{ int istart;
istart=GetTickCount();
// Add your Code here
.....
//
std::cout<<GetTickCount()-istart<<" ms";
return 0;
}
------解决方案--------------------
C/C++ code

LARGE_INTEGER begintime;
void TimeStart()
{
    QueryPerformanceCounter(&begintime);
}

void TimeDisplay()
{
    LARGE_INTEGER endtime,freqtime,resulttime;
    QueryPerformanceCounter(&endtime);
    QueryPerformanceFrequency(&freqtime);
    resulttime.QuadPart = (endtime.QuadPart - begintime.QuadPart) * 1000 / freqtime.QuadPart;
    printf("处理时间:%5I64d小时%I64d分%I64d.%03I64d秒",resulttime.QuadPart / 3600000,(resulttime.QuadPart / 60000) % 60,(resulttime.QuadPart /1000) % 60,resulttime.QuadPart % 1000);
}