using System;
using System.Diagnostics;
using System.Threading;

namespace ConsoleApplication1
{
    class Program
    {
        private const string CategoryName = "Processor";
        private const string CounterName = "% Processor Time";
        private const string InstanceName = "_Total";

        private static void OutPut(string txt)
        {
            Console.WriteLine(txt);
        }

        [STAThread]
        public static void Main()
        {
            PerformanceCounter pc = new PerformanceCounter(CategoryName, CounterName, InstanceName);
            OutPut("----------------------------开始创造性能计数器----------------------------");
            OutPut("计数器类型：" + pc.CounterType);
            OutPut("计数器的说明：" + pc.CounterHelp);
            OutPut("开始输出：");

            while (true)
            {
                Thread.Sleep(1000);
                float cpuLoad = pc.NextValue();
                OutPut("CPU 耗用：" + cpuLoad + "%");
            }
        }
    }
}