NHibernate Profiler from Hibernating Rhinos is the number one tool for analyzing and visualizing what is happening inside your NHibernate application, and for discovering issues you may have. In this recipe, I'll show you how to get up and running with NHibernate Profiler.
Download NHibernate Profiler from http://nhprof.com, and unzip it. As it is a commercial product, you will also need a license file. You may request a 30-day trial license from the NHProf website.
HibernatingRhinos.Profiler.Appender.dllfrom the NH Profiler download.