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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 6A2B9C3279B for ; Wed, 4 Jul 2018 10:33:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D2F5243E1 for ; Wed, 4 Jul 2018 10:33:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D2F5243E1 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 S1753720AbeGDKda (ORCPT ); Wed, 4 Jul 2018 06:33:30 -0400 Received: from foss.arm.com ([217.140.101.70]:35230 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753478AbeGDKd3 (ORCPT ); Wed, 4 Jul 2018 06:33:29 -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 B034F18A; Wed, 4 Jul 2018 03:33:28 -0700 (PDT) Received: from e105550-lin.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5A3C23F5AD; Wed, 4 Jul 2018 03:33:27 -0700 (PDT) Date: Wed, 4 Jul 2018 11:33:24 +0100 From: Morten Rasmussen To: Gaku Inami Cc: "peterz@infradead.org" , "mingo@redhat.com" , "valentin.schneider@arm.com" , "dietmar.eggemann@arm.com" , "vincent.guittot@linaro.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCHv3 0/9] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems Message-ID: <20180704103324.GC8596@e105550-lin.cambridge.arm.com> References: <1529485549-5191-1-git-send-email-morten.rasmussen@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Tue, Jul 03, 2018 at 02:28:28AM +0000, Gaku Inami wrote: > Hi, > > > -----Original Message----- > > From: Morten Rasmussen > > Sent: Wednesday, June 20, 2018 6:06 PM > > To: peterz@infradead.org; mingo@redhat.com > > Cc: valentin.schneider@arm.com; dietmar.eggemann@arm.com; vincent.guittot@linaro.org; Gaku Inami > > ; linux-kernel@vger.kernel.org; Morten Rasmussen > > Subject: [PATCHv3 0/9] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems > [snip] > > > > The patches have been tested on: > > 1. Arm Juno (r0): 2+4 Cortex A57/A53 > > 2. Hikey960: 4+4 Cortex A73/A53 > > > > Test case: > > Big cpus are always kept busy. Pin a shorter running sysbench tasks to > > big cpus, while creating a longer running set of unpinned sysbench > > tasks. > > I have tested v3 patches on Renesas SoC again. It looks fine. > > You can add: > > Tested-by: Gaku Inami > > The patches have been tested on: > 3. Renesas R-Car H3 : 4+4 Cortex A57/A53 > > Results: > Single runs with completion time of each task > R-Car H3 (tip) > total time: 0.9391s > total time: 0.9865s > total time: 1.3691s > total time: 1.6740s > > R-Car H3 (misfit) > total time: 0.9368s > total time: 0.9475s > total time: 0.9471s > total time: 0.9505s > > 10 run summary (tracking longest running task for each run) > R-Car H3 > avg max > tip 1.6742 1.6750 > misfit 0.9784 0.9905 Thanks for testing again. I have just posted v4 with some minor changes. Behaviour for the test-cases should be the same. Morten