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SubjectRe: [RFC] scheduler: improve SMP fairness in CFS
Ingo Molnar wrote:

> the 3s is the problem: change that to 60s! We no way want to
> over-migrate for SMP fairness, the change i did gives us reasonable
> long-term SMP fairness without the need for high-rate rebalancing.

Actually, I do have requirements from our engineering guys for
short-term fairness. They'd actually like decent fairness over even
shorter intervals...1 second would be nice, 2 is acceptable.

They are willing to trade off random peak performance for predictability.


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