Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1397145

Re: Migrated CFS task getting an unfair advantage

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: Migrated CFS task getting an unfair advantage
Date 2016-05-09 17:30 +0200
Message-ID <rwVia-8if-11@gated-at.bofh.it> (permalink)
References <raIBk-5QY-3@gated-at.bofh.it> <raL6b-7IU-21@gated-at.bofh.it> <raM2f-8kD-21@gated-at.bofh.it> <raREB-3Sz-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Wed, Mar 09, 2016 at 11:00:42AM -0800, Andrew Hunter wrote:
> At Google, we essentially reverted 88ec22d and the subsequent tweaks
> to it, keeping vruntime absolute always , instead using
> task_move_group_fair to change the basis of relative min_vruntime
> between cpus.  We found this made it a lot easier to reason about and
> work with corss-cpu computations.  I could post the patch if it would
> be of interest...

Andrew, any luck getting these patches brushed up?

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

Re: Migrated CFS task getting an unfair advantage Peter Zijlstra <peterz@infradead.org> - 2016-05-09 17:30 +0200

csiph-web