$ glxgears -info Running synchronized to the vertical refresh. The framerate should be approximately the same as the monitor refresh rate. GL_RENDERER = GeForce 8800 GTS 512/PCI/SSE2 GL_VERSION = 3.0.0 NVIDIA 180.44 GL_VENDOR = NVIDIA Corporation
101062 frames in 5.0 seconds = 20212.219 FPS 101760 frames in 5.0 seconds = 20351.996 FPS 101859 frames in 5.0 seconds = 20371.629 FPS 101929 frames in 5.0 seconds = 20385.633 FPS 101120 frames in 5.0 seconds = 20223.992 FPS