Someone
public text v1 · immutable[mike in ~]> glxgears
libGL error: open DRM failed (Operation not permitted)
libGL error: reverting to (slow) indirect rendering
3173 frames in 5.0 seconds = 629.230 FPS
[mike in ~]> sudo glxgears
3138 frames in 5.0 seconds = 627.409 FPS