Microsoft has released a new Performance Analyzer for Microsoft Dynamics 1.20 Deployment Guide Don’t be fooled, performance analyzer isn’t just an AX tool. It’s optimized for all of the Dynamics Products including Dynamics GP.
If you need to collect info to analyze the performance of Dynamics GP, this is the tool.
On top of that there is a set of queries to capture baselines to better understand what’s happening when usage suddenly spikes.