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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC04FE92FDE for ; Fri, 6 Oct 2023 10:32:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231808AbjJFKc5 (ORCPT ); Fri, 6 Oct 2023 06:32:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231817AbjJFKcu (ORCPT ); Fri, 6 Oct 2023 06:32:50 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DB91E9; Fri, 6 Oct 2023 03:32:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1696588293; x=1697193093; i=efault@gmx.de; bh=nYM4Iq0HIoT8WeZfH9/xZH+fB9khT9UEIePySgCSyeg=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=ILmcD1LFgQkhppCIOIFVBLShJ72MfqWbZn7z9nIv01t4QB2EP8NDAT9XrYscSr0MNHRsT3ybuw8 Fydmoo77GdF3b4/fQvCJEDWEITWtDQXho/SdoS+raTlfUQsmSpP0+RTYzCdpwGaPTdyiR/1srVxwg Oiz651dZq/HBZVWcweL1CNUr2NyIwDaTd6DVdYGTDiX7TGSBhkTXJUgKzztDEPQAbUSK68NzaGFpj XRG2dpSBypKFyHp4G2aw8seTk/zU/IA8tTz7BWvu4kwM5As/lqQEKhZwkJCgrTDbEVpNhup6WZDt4 QuTPMI0MkSYed9UkDRhuL0/sdxRne6DJ+I0Q== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from homer.fritz.box ([185.191.217.82]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Mf0BG-1rGe5P16AU-00gUAq; Fri, 06 Oct 2023 12:31:33 +0200 Message-ID: <867f5121d7d010cacf938c293f862b0cea560ec2.camel@gmx.de> Subject: Re: [PATCH] sched/fair: fix pick_eevdf to always find the correct se From: Mike Galbraith To: Marek Szyprowski , Biju Das , Peter Zijlstra Cc: "bsegall@google.com" , "bristot@redhat.com" , "chris.hyser@oracle.com" , "corbet@lwn.net" , "dietmar.eggemann@arm.com" , "gregkh@linuxfoundation.org" , "joel@joelfernandes.org" , "joshdon@google.com" , "juri.lelli@redhat.com" , "kprateek.nayak@amd.com" , "linux-kernel@vger.kernel.org" , "mingo@kernel.org" , "patrick.bellasi@matbug.net" , Pavel Machek , "pjt@google.com" , "qperret@google.com" , "qyousef@layalina.io" , "rostedt@goodmis.org" , "tglx@linutronix.de" , "tim.c.chen@linux.intel.com" , "timj@gnu.org" , "vincent.guittot@linaro.org" , "youssefesmat@chromium.org" , "yu.c.chen@intel.com" , "mgorman@suse.de" , "linux-renesas-soc@vger.kernel.org" Date: Fri, 06 Oct 2023 12:31:28 +0200 In-Reply-To: <553e2ee4-ab3a-4635-a74f-0ba4cc03f3f9@samsung.com> References: <20231005150258.GA36277@noisy.programming.kicks-ass.net> <553e2ee4-ab3a-4635-a74f-0ba4cc03f3f9@samsung.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:bAKhKEv2apxCxL7VofVH1W85qmxPwHmVAjxAfi906U+61WKQVqJ PO89+CAEbaeZU451qCBTDESVyNJoT9meXu8r6PbvCRFjc8lbFBOWlx6fY/NiDdMFdCGzn/H HSzA93FmnZyURNoK6aJvHqlJqwaJt6/j/9Mi75FRsWVwM3yOhQBFL6t/yea16H5RFUjvaiQ Qsa5ZXyMfKImyxVv3FLEQ== UI-OutboundReport: notjunk:1;M01:P0:xlk3qR3B/Fw=;G734mNj1mFoTEHrlGF/JHUDUn4O spN2qdq9ANsASsjAbbFiAZfztxfz2xpqdxqhWTZ3vIEwQw0aZGQpIhqPs6yxgsa5r1axPredO t3aCKWDb/NLayDEbjTeEvdE21gUCggSMz+Hr1Ab/NVkwc1gi0R8uPOolSKr8B5mHKLSuWzvn8 Ckq0+XfIlLa9QB8TuJKL05wbWMdbaYCc6AO+6dN44/a1hP3TBpyyXeWGSehvr8hHmRSuBdz4J 5ZtS+m/zBg43svNX+QjMT1yrKXV+ITe+Ni/DMFzq0Puwmfb2S2tDqC0b0U2eDYwcYSj9GKuv7 N5CT+ENK10xhQhO//wts2h1Zp6sjlTuOtk4DgB5zCPa42kuOO6F8NMEux7FxP7AM+0Ty9pnRx Osoe7jEpFPvOcYf3KlGN73bcV9i44TS+Yw0BAbU1KnyJU+BkFnH+/byR8w8ALa75UzZQva94w FU3biWFM37+0hNlTfOJBb1ZOUS6R99ydvDIZYglQbFwi1d9pJwueL9W7WxXFIXAbnifW4tiwH VybGWoS6z3+lagDHLy1Swe+2qoCdcbDvpWgUNs9Mv8VRdeR4aXzHLIlYXdWHDKb8FuP2VLApX CYjDgeCwwUlOIz63OjOysyzrPiHHttGKX5X4zhu6ws9zm03p5Qwod7DVVvZa+FBJeLU3Tu4a+ BtcnVq+OC8F+NR+2RZ49Cz5o9tSUhhvElt8VVHNiyCuuvqZX46ruv8305UH+uFxzHilYPSWoJ AzC0kHWFPxdHwJ6wv38EXYA8iOEqWLNpACpe/VRfBviZgiGtOQtAFcCmX6xztHJUNULlZidbP L2O34Y4lURvBzrixr+gfaNkih1OavmZ9zFat7haDbVyphbt/emNhmcIUGvU85iNYRvtHpVZqD hgy9fsjfT3H6FMjJok2IanYBH1+tPTAdcbfkM+hN+9F3/jYl+hwy6Y8VBI1q1ArV5/73iaTQW z6Ih4A== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2023-10-06 at 10:35 +0200, Marek Szyprowski wrote: > > > Just to note, I've run into this issue on the QEmu's 'arm64/virt' > platform, not on the Samsung specific hardware.=C2=A0 It doesn't appear to be arch specific, all I have to do is enable autogroup, raspberry or x86_64 desktop box, the occasional failure tripping over task groups, leaving both best and best_left with identical but not what we're looking for ->min_deadline. -Mike