Messages in this thread | | | Date | Wed, 15 Aug 2012 16:47:15 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [discussion]sched: a rough proposal to enable power saving in scheduler |
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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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