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. :) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/