1:  PerformanceCounterCategory vmCat =
            new PerformanceCounterCategory("Virtual Machines");

   2:              PerformanceCounterCategory vpCat = 
            new PerformanceCounterCategory("Virtual Processors");

   3:  string[] vmInstances = vmCat.GetInstanceNames();

   4:  string[] vpInstances = vpCat.GetInstanceNames();

   5:   

   6:  List<PerformanceCounter> countersList = 
            new List<PerformanceCounter>();

   7:  

   8:  foreach (string instance in vmInstances){

   9:  PerformanceCounter[] counters =
            vmCat.GetCounters(instance);

  10:  foreach (PerformanceCounter pc in counters)

  11:  {

  12:              countersList.Add(pc);

  13:  }

  14:  

  15:  foreach (string instance in vpInstances)

  16:  {

  17:              PerformanceCounter[] counters =
                        vpCat.GetCounters(instance);

  18:              foreach (PerformanceCounter pc in counters)

  19:              {

  20:                          countersList.Add(pc);

  21:              }

  22:  }

  23:   

  24:  while (true)

  25:  {

  26:              System.Threading.Thread.Sleep(1000);

  27:              foreach (PerformanceCounter pc in countersList)

  28:              {

  29:                          Console.WriteLine(

                                  "{0}:\"{1}\" Counter:{2} Value:{3}",

                                  pc.CategoryName, pc.InstanceName,

                                  pc.CounterName, pc.NextValue());

  30:              }

  31:  }