StopWatch 사용예

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

class Program
{
    static void Main()
    {
 // Create new stopwatch
 Stopwatch stopwatch = new Stopwatch();

 // Begin timing
 stopwatch.Start();

 // Do something
 for (int i = 0; i < 1000; i++)
 {
     Thread.Sleep(1);
 }

 // Stop timing
 stopwatch.Stop();

 // Write result
 Console.WriteLine("Time elapsed: {0}",
     stopwatch.Elapsed);
    }
}