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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 3DB5BC43461 for ; Mon, 14 Sep 2020 11:47:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFF0E21973 for ; Mon, 14 Sep 2020 11:47:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="QGZghH66" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726097AbgINLr3 (ORCPT ); Mon, 14 Sep 2020 07:47:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726112AbgINLmO (ORCPT ); Mon, 14 Sep 2020 07:42:14 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADF44C061788 for ; Mon, 14 Sep 2020 04:42:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=hVctvVnEQDm46Jm3XKV/WTVkUbioAqpNFIq60oMOVeU=; b=QGZghH66ot7xadcJLkzNIDQbja 0eLsXJVvZkEgQf3dwziAR/kFj3tfsQ8sheRuGVDDdkpYWzZw8Ch6PBP8J8A8GlpWWd5yQyDSd9s+b ObsQuph448tK15VqNmZnkI6+TtnM5+zIxDkm/pYI8Uo+Jc9cmILJIwj6jkupL36nMNHMvAkdqxs6S jduuRmOz9us1eWnF1Zxx/qFJ5lsT+0WMZX2IlwpmlnU5T4JUqHwj4Vx9VONLs4pP2TTXn7FSbeGWJ oDW1mymXyMlye6RHiFfGA0TxtgtYGrzQQqOic+6PFLUBthhzyrcWcvWN7hlpcB33UlQfWDqdQ1AGl OBaXVIag==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kHmrz-0006dy-Vw; Mon, 14 Sep 2020 11:42:04 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id E35C7303A02; Mon, 14 Sep 2020 13:42:02 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id D3C962B09E055; Mon, 14 Sep 2020 13:42:02 +0200 (CEST) Date: Mon, 14 Sep 2020 13:42:02 +0200 From: peterz@infradead.org To: Vincent Guittot Cc: mingo@redhat.com, juri.lelli@redhat.com, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, linux-kernel@vger.kernel.org, valentin.schneider@arm.com, pauld@redhat.com Subject: Re: [PATCH 0/4] sched/fair: Improve fairness between cfs tasks Message-ID: <20200914114202.GQ1362448@hirez.programming.kicks-ass.net> References: <20200914100340.17608-1-vincent.guittot@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200914100340.17608-1-vincent.guittot@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 14, 2020 at 12:03:36PM +0200, Vincent Guittot wrote: > Vincent Guittot (4): > sched/fair: relax constraint on task's load during load balance > sched/fair: reduce minimal imbalance threshold > sched/fair: minimize concurrent LBs between domain level > sched/fair: reduce busy load balance interval I see nothing objectionable there, a little more testing can't hurt, but I'm tempted to apply them. Phil, Mel, any chance you can run them through your respective setups?