Check out CLR Profiler 2.0
http://blogs.msdn.com/jmstall/archive/2005/12/17/CLR-profiler-2-0-available.aspx</p>
http://blogs.msdn.com/jmstall/archive/2005/12/17/CLR-profiler-2-0-available.aspx</p>
http://msdn.microsoft.com/en-us/magazine/cc716528.aspx</p>
http://doc.sch130.nsc.ru/www.sysinternals.com/ntw2k/source.shtml
http://www.linuxjournal.com/article/6100
http://msdn.microsoft.com/en-us/library/ms379564(VS.80).aspx