IntelliTrace for 64-bit and SharePoint
IntelliTrace is the revolutionary new debugging technology in Visual Studio 2010 that enables you to move forward and backward through a debug session. However, because of time constraints and because it is a completely new feature, this technology does not work in all scenarios.
Visual Studio 2010 SP1 enables the IntelliTrace debugging technology on 64-bit solutions and for Microsoft SharePoint farm solutions.
What is IntelliTrace?
http://blogs.msdn.com/b/habibh/archive/ … trace.aspx