Xserver and Gettimeofday

[Stephane Marchesin]

On 8/28/07, Lukas Hejtmanek <xhejtman at ics.muni.cz> wrote:
>
> Hello,
>
> I was playing with some HD streaming and I noticed that XV overlays highly
> utilize gettimeofday (in particular nvidia closed source driver, but the
> open
> source one is even worse) resulting in up to 50% CPU usage spent in kernel
> in
> clock_gettime and context switches.
>
> Is there any possible solution for this? I guess that it is just stupid
> driver
> architecture that iterates over gettimeofday instead of waiting for IRQ.


Hello,

You may want to test the nouveau driver ( http://nouveau.freedesktop.org/ ).
We have an improved Xv layer in there.

Stephane
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.x.org/archives/xorg/attachments/20070828/86349502/attachment.html>