// (c) 2007 Richard Grimes
// www.grimes.demon.co.uk

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

class App
{
   static void Main(string[] args)
   {
      if (args.Length < 1) return;
      while (!PerformanceCounterCategory.InstanceExists(args[0], "Process"))
      {
         Thread.Sleep(0);
      }
      Console.WriteLine("Found {0}", args[0]);

      try
      {
         using (PerformanceCounter time = new PerformanceCounter("Process", "% User Time", args[0]))
         {
            while (true)
            {
               float val = time.NextValue();
               if (val == 0) continue;
               Console.WriteLine(val);
            }
         }
      } catch(InvalidOperationException){}
   }
}