On Fri, Jun 14, 2013 at 10:16:28PM +0800, Alex Shi wrote: > On 06/14/2013 07:09 PM, Paul Turner wrote: > > Minor comments; looks good otherwise. > > > > Signed-off-by: Paul Turner <[email protected]> > > thanks a lot Paul. the patch with your input updated here: > > BTW, would you like to give some comments on the last patch of this patchset? > > --- > From ed35080d0bae803d68f84a3e683d34a356a5a5de Mon Sep 17 00:00:00 2001 > From: Alex Shi <[email protected]> > Date: Tue, 14 May 2013 09:41:09 +0800 > Subject: [PATCH 3/8] sched: set initial value of runnable avg for new forked > task > > We need initialize the se.avg.{decay_count, load_avg_contrib} for a > new forked task. > Otherwise random values of above variables cause mess when do new task > enqueue: > enqueue_task_fair > enqueue_entity > enqueue_entity_load_avg > > and make forking balancing imbalance since incorrect load_avg_contrib. > > Further more, Morten Rasmussen notice some tasks were not launched at > once after created. So Paul and Peter suggest giving a start value for > new task runnable avg time same as sched_slice(). > > Signed-off-by: Alex Shi <[email protected]> > Signed-off-by: Paul Turner <[email protected]>
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