The DynamicsPerf tool is a tool designed for use with Dynamics AX. It works with AX 2009 and AX 2012. It uses the data management views within SQL Server along with a companion database. The tool assists in tracking down performance issues such as nonoptimal and missing indexes.
PFEDynamics/DynamicsPerf
Performance Analyzer for Microsoft Dynamics (DynamicsPerf 2.0) is a toolset developed by Microsoft Premier Field Engineering. This toolset is a set of SQL scripts to collect SQL Server DMV data and Microsoft Dynamics specific product data persisted into a singular database called DynamicsPerf. This allows for quick resolution of performance issues on Microsoft Dynamics products (CRM, AX, GP, NAV, SL)
Dauvis' Dev Musings 