Graphics Performance

Thomas White taw at
Fri Apr 3 17:04:32 CEST 2009

On Fri, 3 Apr 2009 15:03:09 +0200
Nicola Mfb <nicola.mfb at> wrote:

> Some time ago we focused about the wasting of cpu cycles to wait for X
> operations to complete (as no interrupts are exported to userspace).
> This impacts a lot the system as you use accelerated graphics but you
> have to hold and wait for it.
> Are there working in progress to solve this, it may be in a drm
> module?

Well, we (I and a few others) have been working on DRI, which at its
core has a DRM module which mediates access to the graphics hardware,
but there's no reason why that should help with this particular
problem in itself.  But this is all (still) at a very early stage.


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