newrelic 

The New Relic .NET Agent API supports custom error and metric reporting, and custom transaction parameters. If the agent is not installed or is disabled, method invocations of this API will have no effect. You... More information

Make sure you go to New Relic first to sign up and get your key at http://newrelic.com. Performance monitoring will never be the same after you do! The package is available through your NuGet... More information

Go to New Relic to sign up and get your license key at http://newrelic.com or you can get a license key through the Windows Azure management portal via Add-On store.

Go to New Relic to sign up and get your license key at http://newrelic.com or you can get a license key through the Windows Azure management portal via Add-On store.