Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods

Arjan van de Ven
2017-07-17T19:28:01Z

On 7/17/2017 12:23 PM, Peter Zijlstra wrote:
> Now I think the problem is that the current predictor goes for an
> average idle duration. This means that we, on average, get it wrong 50%
> of the time. For performance that's bad.

that's not really what it does; it looks at next tick
and then discounts that based on history;
(with different discounts for different order of magnitude)