From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752440AbeBTNES (ORCPT ); Tue, 20 Feb 2018 08:04:18 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:46466 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752094AbeBTNCG (ORCPT ); Tue, 20 Feb 2018 08:02:06 -0500 Date: Mon, 19 Feb 2018 14:58:42 +0100 From: Peter Zijlstra To: Morten Rasmussen Cc: mingo@redhat.com, valentin.schneider@arm.com, dietmar.eggemann@arm.com, vincent.guittot@linaro.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/7] sched/fair: Add group_misfit_task load-balance type Message-ID: <20180219135842.GM25235@hirez.programming.kicks-ass.net> References: <1518711654-23503-1-git-send-email-morten.rasmussen@arm.com> <1518711654-23503-3-git-send-email-morten.rasmussen@arm.com> <20180219135644.GG25181@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180219135644.GG25181@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 19, 2018 at 02:56:44PM +0100, Peter Zijlstra wrote: > On Thu, Feb 15, 2018 at 04:20:49PM +0000, Morten Rasmussen wrote: > > @@ -6733,9 +6758,12 @@ done: __maybe_unused > > if (hrtick_enabled(rq)) > > hrtick_start_fair(rq, p); > > > > + update_misfit_status(p, rq); > > + > > return p; > > > > idle: > > + update_misfit_status(NULL, rq); > > new_tasks = idle_balance(rq, rf); > > > > /* > > So we set a point when picking a task (or tick). We clear said pointer > when idle. N/m, I can't read today. You only store the load, not the actual task.