http://www.BkJia.com/kf/201110/107760.html連接中的寫了通過C#控制CPU的占用率。
通過C#還可以指定當前線程的運行在哪個CPU上。
通過
System.Diagnostics.Process p = Process.GetCurrentProcess();
p.ProcessorAffinity = (IntPtr)0x0001;
Process.ProcessorAffinity 設置當前CPU的屏蔽字,0x0001表示選用一號CPU,0x0002表示選用2號CPU。
代碼如下:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;
namespace cpu_4_2_csharp
{
class Program
{
static void Main(string[] args)
{
System.Diagnostics.Process p = Process.GetCurrentProcess();
p.ProcessorAffinity = (IntPtr)0x0001;
const int SAMPLING_COUNT = 200;
const double PI = 3.14159;
const int TOTAL_AMPLITUDE = 250; // the length of each time piece
//const int system_busy = 10; // take the system cpu consume into consideration
double[] busySpan=new double[SAMPLING_COUNT];
int amplitude = (TOTAL_AMPLITUDE) / 2;
double radian = 0.0;
double radianIncreament = 2.0 / (double)SAMPLING_COUNT;
for (int i = 0; i < SAMPLING_COUNT; i++)
{
busySpan[i] = (double)(amplitude + Math.Sin(PI * radian) * amplitude);
radian += radianIncreament;
}
int startTick = Environment.TickCount;
for (int j = 0; ; j = (j + 1) % SAMPLING_COUNT)
{
startTick = Environment.TickCount;
while ((Environment.TickCount - startTick) < busySpan[j])
{
//
}
System.Threading.Thread.Sleep(TOTAL_AMPLITUDE - (int)busySpan[j]);
}
}
}
}
程序的運行結果如圖:
可以通過調整參數使曲線更加圓潤一些,但是我調試了好久,也就得到了上面的截圖。不過整體來說,這個曲線圖要比http://www.BkJia.com/kf/201110/107760.html中的曲線圖好看的多了。
摘自:Watkins.Song