Re: [discussion]sched: a rough proposal to enable power saving inscheduler

[Thomas Gleixner]

On Wed, 15 Aug 2012, Peter Zijlstra wrote:

> On Wed, 2012-08-15 at 07:19 -0700, Arjan van de Ven wrote:
> > Ideally the scheduler builds up some history of the typical run
> > duration of the task (with a bias to more recent runs).
> > But... even then, the past is only a poor predictor for the future. 
> 
> PJTs patches do this. But yes, a crystal-ball instruction which
> completes in a single cycle would be most appreciated :-)

You could ask the S390 folks whether they could whip one up for proof
of concept. :)

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