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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94945C433FE for ; Wed, 27 Oct 2021 10:19:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78C2860F39 for ; Wed, 27 Oct 2021 10:19:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241392AbhJ0KVd (ORCPT ); Wed, 27 Oct 2021 06:21:33 -0400 Received: from mout.gmx.net ([212.227.17.22]:56455 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232533AbhJ0KVb (ORCPT ); Wed, 27 Oct 2021 06:21:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1635329904; bh=0/xQALMRmDMXg28cl7m2Q8kQ0DMZEqmZ9WnjNozXkKY=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=IfjaCIxyVScwaWY9tG/6eRou8+pIIGvV6kCwtIGTYeh53wMnUj3L4XQkNomFwTN2e vQn20zgpVboEfBdhYoxabiPC1rY/hHKmpvinyJLn1MC4/kS0X8YYx2kYoGkVfyCJOJ VmbJ2i5Df7osmYz6VY4Mwi8/YcihLjK82CX3wAqU= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.221.148.126]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N4hzj-1mq11L2WYx-011fyR; Wed, 27 Oct 2021 12:18:24 +0200 Message-ID: Subject: Re: [PATCH 1/2] sched/fair: Couple wakee flips with heavy wakers From: Mike Galbraith To: Mel Gorman Cc: Peter Zijlstra , Ingo Molnar , Vincent Guittot , Valentin Schneider , Aubrey Li , Barry Song , Srikar Dronamraju , LKML Date: Wed, 27 Oct 2021 12:18:22 +0200 In-Reply-To: <20211027090020.GO3959@techsingularity.net> References: <20211021145603.5313-2-mgorman@techsingularity.net> <37d8c167df66a1ead16b699115548ca376494c0c.camel@gmx.de> <20211022110534.GJ3959@techsingularity.net> <496d495b290ac69fed75d02ab5915a7871243321.camel@gmx.de> <20211026081817.GM3959@techsingularity.net> <4105fd08f84c60698b38efcb4d22e999de187d6e.camel@gmx.de> <20211026115707.GN3959@techsingularity.net> <65e20ad92f2580c632f793eafce59140b8b4c827.camel@gmx.de> <93033bdc35fb2ddd374700b76324de88639ef5ae.camel@gmx.de> <20211027090020.GO3959@techsingularity.net> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:NWJFT/8n7JuoCprytQiCxEM/iiCQ/FNXAllKX3ifdyx8CKmNhTL xtEnGoSAWHeOrOwwjUp/VzcZMHcviWpUIr/vjIS1lHvX2w9gPieIc6BfzWI3pVxf7/8jwKc ruYXG95jM2MYXnfXRpSwdVTzBu9Y5LQIjJW/CbgEKqD1es5MhKTVqJjHtq2YEdSCVHn4COa Jtu+rUIurjDd3Ld/IzEOA== X-UI-Out-Filterresults: notjunk:1;V03:K0:Ul/76pTy9Xo=:2CYFfdmmKTMFBGWHpQfkMu KACi/agJWiPfXc0A7sGXhAGevyBIaQOItzUr5ddDoELLPtP3opyw/QpgjYRrNOl9KNhfJgiag ZwlguQl4yStbv8CuJOj9fYCa+9OxLY/+C8A7LZXtK/OHCGBWUXjHDEBpF5e/nCAZZQpgAl07j wuRROyyaOdRPKKKLT71bVMkXB5X/IjGY9toQHPIG3+TYmh3bj+A7+ZOHXuDjU4wioc7Xw9Rg8 49BgjpBvj7PT/82fpTpkbU4lDq67e2hQqmIwbKratrJ3q7izdyLFo+BHc8yiD0Mw46WqVYHoh ETzpuAX4Gd5/vuxDTknsvHEQ2XHtpVrKJmTTMnoF5J8Lw2vimQo2fFFASj9HIZIv5x9EowMEO C3CuoiJ4U4qRCI4cz/fVd8VsCkE8/yVaZNLtlRTL76rnGqT8OR7nPCprhHATZI4ckXPSn9QjL cbnxRriOOoPgGs9fChYRSyVQKNnqMJIVlKxAP1K5yRUIvCx5uiPqNcg0vCyXRmO8VMLz5gCIu 8TjHu+3og2SM8TmjYNaXHt48dnVckWR1sS+YvBCtTFUqrurzf+OwAilLvRMlVU0dWk9w5k/j0 oWpxGa5WfEXZBG8ikW3COkBTEsnQescvWyiEam1PwKWQRkbsbVD54Oe4DiZQ+4EFbYeP/XTM/ /b7d4Jo+UoIdVikinUy1OZH9i6PQH/xYIhB96xkV32/D890XMBIZpdY8hgYCV7+MgXt8rzOFP /7Fvz/nj//gLH7bWdyXQCBlBJEid7R1B9OGKoUPm99ebhLull1Fx2sMLn9xX/LgBko0S9xS0F i8m0B0YwpyFzB09RdSqQ6kw+kjrqoBea3VRZKRqLmKRzbfsDD60Pe/YooJF1LWo94hQ4EtlRe 2WQQ7icXpgH/iTHDxZNE2WT6oKWU0R7SUJNS8MUkiaGfxuV6Iy1qto3mOnaJAVjtp0Fh/kLoa 6l3EmOjUDqbyOVRqQHa1nkFOjzuysXhGRRjziM0n+oSmZm/g0Xa+IEhAietR3kJtrv2FYHJCP bS1GiSGSmIDmb7qxjmuvBtvsyPpqfqLptq56d/LuOoGgVN9EGT83n/MNH3U6UMEMCH3M2pkxi EmPygjMJGHXxzQ= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2021-10-27 at 10:00 +0100, Mel Gorman wrote: > > How about patch 2? This version doesn't slam the door, so no worries wrt kthread/control thread latencies etc. Doing a brief tbench vs hogs mixed load run didn't even show much of a delta. -Mike