[ubuntu-x] Test kernel for perf issues on -intel

[Bryce Harrington]

Another option which has been suggested is to turn off migration
altogether:

   Option "EXAOptimizeMigration" "off"

This may have the same "benefit" as the greedy migration, but without
the irritating side effects.  It would be hugely helpful if people could
test this option (independently from the kernel change) and see if they
spot any regressions with it set.  Meanwhile I'll try to get some debs
put together for it.

Thanks,
Bryce

On Wed, Apr 15, 2009 at 11:54:43AM -0700, Bryce Harrington wrote:
> Tim pointed me to this:
> 
> ---
> bryce: 2.6.30-rc2 has a bunch of i915 patches from Dave Arlie. He claims
> big performance improvements which likely address out issues in
> Jaunty. Is it possible for you to run that kernel somewhere and test the
> results?
> 
>  http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.30-rc2
> 
> ---
> 
> If anyone has hardware that they're seeing the -intel performance
> regression and would be willing to test the above, please do so and
> report results here.
> 
> (It would be especially helpful if you could run a 3d game that prints
> fps, to measure both before and after.)
> 
> Bryce
> 
> 
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