1.获取CPU的使用率
主要就是一个计算。
int CUseRate::GetCPUUseRate() //获取CPU使用率
{
int nCPUUseRate = -;
FILETIME ftIdle, ftKernel, ftUser;
if (GetSystemTimes(&ftIdle, &ftKernel, &ftUser))
{
double fCPUIdleTime = FileTimeToDouble(ftIdle);
double fCPUKernelTime = FileTimeToDouble(ftKernel);
double fCPUUserTime = FileTimeToDouble(ftUser);
//CPU利用率公式
nCPUUseRate= (int)(100.0 - (fCPUIdleTime - m_fOldCPUIdleTime) / (fCPUKernelTime - m_fOldCPUKernelTime + fCPUUserTime - m_fOldCPUUserTime) *100.0);
m_fOldCPUIdleTime = fCPUIdleTime;
m_fOldCPUKernelTime = fCPUKernelTime;
m_fOldCPUUserTime = fCPUUserTime;
}
return nCPUUseRate;
}
2.获取内存使用率
调用GlobalMemoryStatusEx函数获取
long long CUseRate::getRam() //获取当前内存使用率
{
long long ram;
MEMORYSTATUSEX statex;
statex.dwLength =sizeof(statex);
GlobalMemoryStatusEx(&statex);
ram = statex.dwMemoryLoad;
return ram;
}
