to thread the X server (?)

[Xavier Bestel]

On Wed, 2008-06-18 at 23:14 +0200, Daniel Stone wrote:
> On Wed, Jun 18, 2008 at 10:56:40PM +0200, Juliusz Chroboczek wrote:
> > I appear to have missed part of the discussion.  Why are you trying to
> > multithread the X server?  It will cause a lot of subtle bugs, and
> > I don't see what it will buy you.
> 
> One interesting path I see with the input-in-a-separate-thread work is
> eventually getting a complete path from hardware input event to client
> delivery that cannot be blocked by rendering, meaning we always have
> very low latency on input events.

Xorg has a problem latency-wise: clients can block each other. When I
play a video (in Totem), and simultaneously use a web browser, the video
skips a lot - on a dual-proc system.
I don't think just separating the input processing from the client
requests processing will solve that.