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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 D9B45C32792 for ; Mon, 30 Sep 2019 15:22:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ABFA7216F4 for ; Mon, 30 Sep 2019 15:22:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=digitalocean.com header.i=@digitalocean.com header.b="Slx6Q233" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731990AbfI3PWv (ORCPT ); Mon, 30 Sep 2019 11:22:51 -0400 Received: from mail-qt1-f193.google.com ([209.85.160.193]:44369 "EHLO mail-qt1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731127AbfI3PWu (ORCPT ); Mon, 30 Sep 2019 11:22:50 -0400 Received: by mail-qt1-f193.google.com with SMTP id u40so17514457qth.11 for ; Mon, 30 Sep 2019 08:22:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=digitalocean.com; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=8HKacM6sHRzyZgKopSHdE59j+eiLZ00J50hLlPkJ1XA=; b=Slx6Q233ul7BctWF7jvQiBNkK0Wuthfu75EYw66j3xhD6wzh9IedmDVhLN5t0+eAa1 /zS9A4cOYUzMrnzgJXa53Q0usr5z5vhBtjU5blb8XG1Ko5uglOqgy+r15b6exW0MtIp4 V5JD4+63UfsY0v+yUuJVaSzbKCdbW1rJHLg0U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=8HKacM6sHRzyZgKopSHdE59j+eiLZ00J50hLlPkJ1XA=; b=uaMJCS7SH7+aA5ye/x7a4yHuQoPDWF6oNIA5ei+LiPMcgNp2kwpgkliZ7S2Fy8GM7n E48f/2zBirBEXqMG3yfzCJyFw24J6r19NDTV57Nbl5a5qOsI5aFWOVD4t19hGfUZH5M/ En4JyMfKr+T3iLnhTfW168W8P55Wo+IrGI2TRo6t3Mg7rV8i8UzextLvj83lzYKLK9IV a9QcvKKixA/OqZfWFAVbdKc6jkMsaocZhGc+BjuA7vam8CJ/ZRU+gVwgik4+Q4q1F7gQ OZ3uzsBHnF2BKvNmoY31oA9A1D5eoVxni+IORmNAQv/bOz/aTttXd60x89Bd7dVP8Rjv vUeg== X-Gm-Message-State: APjAAAUpWnHMqvFW1aFf8aJkosshaHVokqpiB9c8Buz6DUOtGDKT7QSy 4L2DFPdzK4YHOCWCB3xbVO1HjA== X-Google-Smtp-Source: APXvYqyGSWEFEqgll1VZfxwrv9tQVOa1pXhPWe24T7nqqT5gaaBmnhAgkw1J6KUPFLXtP5dw6JhWVg== X-Received: by 2002:ac8:5414:: with SMTP id b20mr8636045qtq.85.1569856969775; Mon, 30 Sep 2019 08:22:49 -0700 (PDT) Received: from sinkpad (192-222-189-155.qc.cable.ebox.net. [192.222.189.155]) by smtp.gmail.com with ESMTPSA id 139sm6168276qkf.14.2019.09.30.08.22.47 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 30 Sep 2019 08:22:48 -0700 (PDT) Date: Mon, 30 Sep 2019 11:22:40 -0400 From: Julien Desfossez To: Tim Chen Cc: Dario Faggioli , "Li, Aubrey" , Aaron Lu , Aubrey Li , Subhra Mazumdar , Vineeth Remanan Pillai , Nishanth Aravamudan , Peter Zijlstra , Ingo Molnar , Thomas Gleixner , Paul Turner , Linus Torvalds , Linux List Kernel Mailing , =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker , Kees Cook , Greg Kerr , Phil Auld , Valentin Schneider , Mel Gorman , Pawan Gupta , Paolo Bonzini Subject: Re: [RFC PATCH v3 00/16] Core scheduling v3 Message-ID: <20190930152240.GA13385@sinkpad> References: <20190619183302.GA6775@sinkpad> <20190718100714.GA469@aaronlu> <20190725143003.GA992@aaronlu> <20190726152101.GA27884@sinkpad> <7dc86e3c-aa3f-905f-3745-01181a3b0dac@linux.intel.com> <20190802153715.GA18075@sinkpad> <69cd9bca-da28-1d35-3913-1efefe0c1c22@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Mailer: Mutt 1.9.4 (2018-02-28) User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > I've made an attempt in the following two patches to address > the load balancing of mismatched load between the siblings. > > It is applied on top of Aaron's patches: > - sched: Fix incorrect rq tagged as forced idle > - wrapper for cfs_rq->min_vruntime > https://lore.kernel.org/lkml/20190725143127.GB992@aaronlu/ > - core vruntime comparison > https://lore.kernel.org/lkml/20190725143248.GC992@aaronlu/ > > I will love Julien, Aaron and others to try it out. Suggestions > to tune it is welcomed. Just letting you know that I will be testing your load balancing patches this week along with the changes Vineeth is currently doing. I didn't test it before because I was focused on single threaded and pinned micro-benchmarks, but I am back on scaling tests so it will be interesting to see. Thanks, Julien