获取cpu使用率，获取某一进程cpu使用率

using System;
using System.Diagnostics;

namespace MyConsole
{
    class Program
    {
        static void Main(string[] args)
        {
            string filePath = "E:\\render\\bin\\render.exe";
            string argument = "\\\\192.168.12.166\\ceshi_Project\\scenes\\ceshi.mb";
            try
            {
                Process p = Process.Start(filePath, argument);
                p.PriorityClass = ProcessPriorityClass.BelowNormal;
                //获取cpu使用率
                PerformanceCounter cpuUsage = new PerformanceCounter("Processor", "% Processor Time", "_Total");

                //获取某一进程cpu使用率
                PerformanceCounter renderUsage = new PerformanceCounter("Process", "% Processor Time", p.ProcessName);
                do
                {
                    Console.WriteLine("---------------------");
                    Console.WriteLine("总使用率：{0:p1}", cpuUsage.NextValue() / 100);
                    Console.WriteLine("{1}使用率：{0:p1}", renderUsage.NextValue() / 100, p.ProcessName);
                    System.Threading.Thread.Sleep(1000);
                }
                while (true);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
                Console.Read();
            }
        }
    }
}