From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30665C64EB8 for ; Thu, 4 Oct 2018 09:57:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EFABF2098A for ; Thu, 4 Oct 2018 09:57:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EFABF2098A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727870AbeJDQtk (ORCPT ); Thu, 4 Oct 2018 12:49:40 -0400 Received: from foss.arm.com ([217.140.101.70]:33708 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727399AbeJDQtk (ORCPT ); Thu, 4 Oct 2018 12:49:40 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E98777A9; Thu, 4 Oct 2018 02:57:09 -0700 (PDT) Received: from queper01-lin (queper01-lin.Emea.Arm.com [10.4.13.27]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CBC863F5D3; Thu, 4 Oct 2018 02:57:05 -0700 (PDT) Date: Thu, 4 Oct 2018 10:57:04 +0100 From: Quentin Perret To: Peter Zijlstra Cc: rjw@rjwysocki.net, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, gregkh@linuxfoundation.org, mingo@redhat.com, dietmar.eggemann@arm.com, morten.rasmussen@arm.com, chris.redpath@arm.com, patrick.bellasi@arm.com, valentin.schneider@arm.com, vincent.guittot@linaro.org, thara.gopinath@linaro.org, viresh.kumar@linaro.org, tkjos@google.com, joel@joelfernandes.org, smuckle@google.com, adharmap@codeaurora.org, skannan@codeaurora.org, pkondeti@codeaurora.org, juri.lelli@redhat.com, edubezval@gmail.com, srinivas.pandruvada@linux.intel.com, currojerez@riseup.net, javi.merino@kernel.org Subject: Re: [PATCH v7 05/14] sched: Introduce a sched_feat for Energy Aware Scheduling Message-ID: <20181004095701.j5zt5guetxswdbi7@queper01-lin> References: <20180912091309.7551-1-quentin.perret@arm.com> <20180912091309.7551-6-quentin.perret@arm.com> <20181002123416.GA3439@hirez.programming.kicks-ass.net> <20181002130818.fciw7cmlwggymxrz@queper01-lin> <20181003162435.GA19252@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181003162435.GA19252@hirez.programming.kicks-ass.net> User-Agent: NeoMutt/20171215 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 03 Oct 2018 at 18:24:35 (+0200), Peter Zijlstra wrote: > Yeah, sysctl, see for example: sysctl.kernel.numa_balancing and the > sched_numa_balancing static_key that goes with it. OK, that works for me. > I would default enable EAS if the EM is there and valid, but allow > people to disable it. Right, that'd be much nicer than the sched_feat off by default, I agree. I'll see what I can do :-) Thanks, Quentin