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    SubjectRe: [discussion]sched: a rough proposal to enable power saving in scheduler
    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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