List of Performance Counters for Windows Azure Web roles

// .NET
3.5 counters

@"\ASP.NET
Apps v2.0.50727(__Total__)\Requests Total"

@"\ASP.NET
Apps v2.0.50727(__Total__)\Requests/Sec"

@"\ASP.NET
v2.0.50727\Requests Queued"

@"\ASP.NET
v2.0.50727\Requests Rejected"

@"\ASP.NET
v2.0.50727\Request Execution Time"

@"\ASP.NET
v2.0.50727\Requests Queued"

// Latest
.NET Counters (4.0)

@"\ASP.NET
Applications(__Total__)\Requests Total"

@"\ASP.NET
Applications(__Total__)\Requests/Sec"

@"\ASP.NET\Requests
Queued"

@"\ASP.NET\Requests
Rejected"

@"\ASP.NET\Request
Execution Time"

@"\ASP.NET\Requests
Disconnected"

@"\ASP.NET v4.0.30319\Requests
Current"

@"\ASP.NET v4.0.30319\Request Wait
Time"

@"\ASP.NET v4.0.30319\Requests
Queued"

@"\ASP.NET v4.0.30319\Requests
Rejected"

@"\Processor(_Total)\% Processor
Time"

@"\Memory\Available MBytes

@"\Memory\Committed Bytes"

@"\TCPv4\Connections
Established"

@"\TCPv4\Segments Sent/sec"

@""\TCPv4\Connection
Failures"

@""\TCPv4\Connections
Reset"

@"\Network Interface(Microsoft
Virtual Machine Bus Network Adapter _2)\Bytes Received/sec"

@"\Network Interface(Microsoft
Virtual Machine Bus Network Adapter _2)\Bytes Sent/sec"

@"\Network Interface(Microsoft
Virtual Machine Bus Network Adapter _2)\Bytes Total/sec"

@"\Network
Interface(*)\Bytes Received/sec"

@"\Network
Interface(*)\Bytes Sent/sec"

@"\.NET CLR Memory(_Global_)\%
Time in GC"

public class AddAzurePerformanceCounter

{

private IList<PerformanceCounterConfiguration> _perfCounters;

       public AddAzurePerformanceCounter (IList<PerformanceCounterConfiguration>
counterCollection)

      {

       _perfCounters = counterCollection;

      }

      public void AddPerformanceCounter(string counterName, int
minuteInterval)

      {

      PerformanceCounterConfiguration perfCounter = new PerformanceCounterConfiguration();

      perfCounter.CounterSpecifier
=counterName;

      perfCounter.SampleRate
= System.TimeSpan.FromMinutes(minuteInterval);

      _perfCounters.Add(perfCounter);

      }

}

AddAzurePerformanceCounter counters = new AddAzurePerformanceCounter(diagConfig.PerformanceCounters.DataSources);

counters.AddPerformanceCounter(@"\Processor(_Total)\%
Processor Time", 5);

counters.AddPerformanceCounter(@"\Memory\Available
MBytes", 5);

counters.AddPerformanceCounter(@"\ASP.NET
v4.0.30319\Requests Current", 5);

counters.AddPerformanceCounter(@"\TCPv4\Connections
Established", 5);

counters.AddPerformanceCounter(@"\TCPv4\Segments
Sent/sec", 5);

counters.AddPerformanceCounter(@"\Network
Interface(Microsoft Virtual Machine Bus Network Adapter _2)\Bytes Received/sec",
5);

counters.AddPerformanceCounter(@"\Network
Interface(Microsoft Virtual Machine Bus Network Adapter _2)\Bytes
Sent/sec", 5);

counters.AddPerformanceCounter(@"\Network
Interface(Microsoft Virtual Machine Bus Network Adapter _2)\Bytes
Total/sec", 5);

counters.AddPerformanceCounter(@"\.NET
CLR Memory(_Global_)\% Time in GC", 5);

counters.AddPerformanceCounter(@"\ASP.NET
Applications(__Total__)\Requests/Sec", 5);