david@david-laptop:~$ glxgears
libGL warning: 3D driver claims to not support visual 0x5b
3395 frames in 5.0 seconds = 678.880 FPS
3314 frames in 5.0 seconds = 662.671 FPS
9436 frames in 5.0 seconds = 1887.120 FPS
15352 frames in 5.0 seconds = 3070.315 FPS

david@david-laptop:~$