From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965344AbcCIXsg (ORCPT ); Wed, 9 Mar 2016 18:48:36 -0500 Received: from LGEAMRELO13.lge.com ([156.147.23.53]:46694 "EHLO lgeamrelo13.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934509AbcCIXsX (ORCPT ); Wed, 9 Mar 2016 18:48:23 -0500 X-Original-SENDERIP: 156.147.1.151 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com Date: Thu, 10 Mar 2016 08:48:17 +0900 From: Byungchul Park To: Andrew Hunter Cc: pavankumar kondeti , Peter Zijlstra , Pavan Kondeti , lkml , Mike Galbraith , Ingo Molnar , Paul Turner , Ben Segall , Matt Fleming , Morten Rasmussen Subject: Re: Migrated CFS task getting an unfair advantage Message-ID: <20160309234817.GB5220@X58A-UD3R> References: <20160309120403.GK6344@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Hello, Andrew I am curious about how it can be done with absolute value. :-) > 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... I am interested in it. Thanks, Byungchul >