Re: Sched - graphic smoothness under load - cfs-v13 sd-0.48

Xavier Bestel
2007-05-23T18:43:59Z

Le mercredi 23 mai 2007 à 11:22 -0700, Ian Romanick a écrit :
> > I think some people forget that X11 has its own scheduler for graphics
> > operations.
>
> And in the direct-rendering case, this scheduler is not used for OpenGL.
> The client-side driver submits rendering commands directly to its
> kernel module. It is possible that some kernel modules perform some
> sort of scheduling, but none of the open-source drivers implement such a
> thing.

True, but glxgears isn't a pure DRI app: it calls XNextEvent() each time
it refreshes its window (which is quite often).

Xav