How to troubleshoot intel 3D performance?

[Vasily Khoruzhick]

On Tuesday 17 February 2009 10:12:56 you wrote:
> 2009/2/16 Vasily Khoruzhick <anarsoul at gmail.com>:
> > Hi, performance issue is known thing on pre-965 chipsets with new intel
> > stuff (gem, uxa).
> >
> > I've filed bugs about them:
> >
> > http://bugs.freedesktop.org/show_bug.cgi?id=19873
> > http://bugs.freedesktop.org/show_bug.cgi?id=19738
> >
> > AFAIK there's no fix at the moment, but as workaround you can use 2.6.27
> > kernel and EXA accelleration.
>
> Looking at the code it looks like a failure of the kernel side. Is
> there a kernel tree that tracks the Linus one with the latest pending
> fixes I can try?

I suspect this one:
git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel

> I gave a 2.6.27-stable kernel a spin but with poor results (X hung up
> after a few seconds). 

It does with UXA enabled. Try EXA

> Do the X drivers need rebuilding when the kernel 
> has been updated?

Nope
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