Pigs Can Fly : Xperf, a new tool in the Windows SDK

Pigs Can Fly : Xperf, a new tool in the Windows SDK: "Xperf is an important tool for anyone doing system performance work on Windows because it's specifically designed to give you a complete system-wide view of performance over long periods of time (10's of seconds, to minutes)[2]. It's also the only tool that knows how to fully process all the events from the kernel and correlate them into something that makes sense."