NVIDIA PerfHUD 

NVIDIA PerfHUD is a powerful real-time performance analysis tool for Direct3D applications. PerfHUD is widely used by the world's best game developers and was a 2007 Game Developer Magazine Frontline Award Finalist.

Main features:

- Support for Fermi GPUs

- Support for latest drivers (Post R256)

- Simplified handling of 32b and 64b apps chose the package that matches your application

- Minor bug fixes

- Save/Load DX10 frame captures (Ctrl S in the Frame Debugger)

- Works with standard drivers on Windows 7 and Vista

- SLI Support

- Texture Visualization and Overrides

- API Call List

- Dependency View

- CPU/GPU Timing graph