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SubjectRe: Linus 2.6.23-rc1

On Sat, 28 Jul 2007, Jan Engelhardt wrote:
> I generally run with CONFIG_HZ=100, CONFIG_NO_HZ=n, CONFIG_PREEMPT_NONE.

Ok, that's HZ=100 is likely the worst case, as it effectively multiples
all the scheduler latencies by 10 (rather than by 4, which is what the
default 250Hz does).

That said, I think most testing showed that the CFS scheduler tunables
didn't have a huge amount of impact on how things felt, so that
factor-of-ten might not even matter that much. The 3D game issues may well
be totally elsewhere.

But it's certainly worth looking at.

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