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=-0.9 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 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 B874FC2D0C0 for ; Mon, 23 Dec 2019 16:34:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FC3820663 for ; Mon, 23 Dec 2019 16:34:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=telus.net header.i=@telus.net header.b="wt7gYFDy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726878AbfLWQeO (ORCPT ); Mon, 23 Dec 2019 11:34:14 -0500 Received: from cmta18.telus.net ([209.171.16.91]:36604 "EHLO cmta18.telus.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726717AbfLWQeN (ORCPT ); Mon, 23 Dec 2019 11:34:13 -0500 Received: from dougxps ([173.180.45.4]) by cmsmtp with SMTP id jQekiig2fgu2QjQeli8VrW; Mon, 23 Dec 2019 09:34:11 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telus.net; s=neo; t=1577118851; bh=LYjQc+QsXvLslMFxlBKPfwzBtd8uWbZdsNcC1DpAMvs=; h=From:To:Cc:References:In-Reply-To:Subject:Date; b=wt7gYFDyHmCSUecalxriil/HXl5v1PRTjG4z6oMbgHWAWcaetrh1drK1QwV78gWE1 wJ6TMgsOohBG0GBnfLdekJ6C3RM7K0ChPHu5kJpRJuTS1Y2Qzhz9uIvDiB1qcose9j EAfc2gMHHibk7QHV5SMoiZ9QggSHmD5zBQPXmGu5gPeT92aodLkzU2T/L9rcKUVjES SLqtz6a2YIHgWFTJi0TH6UrWUPYzb1kWUGBpnyNlufulkxHBqgx+d6sXpHqrE6vsV0 N42Y7mdy7J+kO63QZKzjmv9+wZfov/PtQeXV7f9sftPrA42uVEtmQDL5R66G2M+6mD gqyYR4fvZNrJw== X-Telus-Authed: none X-Authority-Analysis: v=2.3 cv=QIcWuTDL c=1 sm=1 tr=0 a=zJWegnE7BH9C0Gl4FFgQyA==:117 a=zJWegnE7BH9C0Gl4FFgQyA==:17 a=Pyq9K9CWowscuQLKlpiwfMBGOR0=:19 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=IkcTkHD0fZMA:10 a=u-mPKCrbiWlf-ac98vYA:9 a=QEXdDO2ut3YA:10 From: "Doug Smythies" To: "'Qais Yousef'" Cc: "'Giovanni Gherdovich'" , , , , "'Mel Gorman'" , "'Matt Fleming'" , "'Viresh Kumar'" , "'Juri Lelli'" , "'Paul Turner'" , "'Peter Zijlstra'" , "'Vincent Guittot'" , "'Quentin Perret'" , "'Dietmar Eggemann'" , "'Srinivas Pandruvada'" , "'Thomas Gleixner'" , "'Ingo Molnar'" , "'Borislav Petkov'" , "'Len Brown'" , "'Rafael J . Wysocki'" References: <20191113124654.18122-2-ggherdovich@suse.cz> <000001d5a29b$c944fd70$5bcef850$@net> <1574697961.16378.5.camel@suse.cz> <000801d5a41e$a7fce2c0$f7f6a840$@net> <1574781600.7677.2.camel@suse.cz> <001d01d5a4f4$d96b21b0$8c416510$@net> <003d01d5a63d$f6ab3950$e401abf0$@net> <20191219104813.6fr34qavpaplecoz@e107158-lin> <000701d5b965$361b6c60$a2524520$@net> <20191223140743.o2wfoqtf56g4yrk5@e107158-lin.cambridge.arm.com> <20191223144043.ticfxfgbolsqk74i@e107158-lin.cambridge.arm.com> In-Reply-To: <20191223144043.ticfxfgbolsqk74i@e107158-lin.cambridge.arm.com> Subject: RE: [PATCH v4 1/6] x86,sched: Add support for frequency invariance Date: Mon, 23 Dec 2019 08:34:04 -0800 Message-ID: <000301d5b9ae$cd8f5b30$68ae1190$@net> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Content-Language: en-ca Thread-Index: AdW5nvjzmCjbzpTaQ32aAttVlnFmYAACZkeg X-CMAE-Envelope: MS4wfPIIFS3hhbjmNYigcQ3hmKUkxdMUaejULBwnkwNTqN+MK+a0iAD8LHjBJerRqkJxo0QI11UpXkeT+Hnvi7MbIaCT3YiaARszTbeYjpFIwFkGWstbVtpo qxdaX/q/dBF7QJCl9ene/FoX6Nkg+w7vnv+uyTq3kX86BwL87JXbxIZOBgQejXk72us7bQQibktnwND5coSSHKRBmnfkUPJ2XtQfYe0BUM7sAo2QRJ5+f0mN LMfTvE+dKAV2LuWFuBXV/TRpJpcq9VXCJb0eOmixef3kuLRq7IYNFTcPP99LV7LNIHgNtMfniihgbxfjyZ+St2wL9i1Tn/DbGjUzmqjCD94pTu7CTG2y+Tld EAGedf3Gz2vrn3WxAgjsIgIaN4v99LgFclK83pnUaZj4O6RQffK7ki447NvDwCytYU3yQeG3SbcQIu8UVLQloknaSfiUxX9wb3g7G/tJrQSJ2kmScB57B2/Q 7RLTaIdx3qogw6FPsbeth82UreTdEHV754uivWofyUDNRCHKWeaqk8eYfX5UB1Ox1OTMnMWHK7IDuowHJmaKJkEHLNiJOjDq22STL5oFzgpBFsrL7c6riLDr d1L1ISgq6rE8ZMfOGgpwnjTImoEFZc5YOr8hbQG2afhnf/pt7+zsEhXVSJChrCarVNORhse0b0AD9JT7cKWY8Yv/isRLf6sQYmFTcGaJdT2wa5IrfzuOKteA NVvzpKyWhqX3PYYiBsnA/P99p8lTMiAEhd9PMk75XiaoWOIDMRRpUo3odNobAUvucsAl5b8ekJU= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019.12.23 06:41 Qais Yousef wrote: > On 12/23/19 14:07, Qais Yousef wrote: >>> Re-boot to the nocgv1 (stock + cgroup_no_v1=all) kernel. >>> set the schedutil governor. >>> launch test 2 and related monitoring tools. >>> verify performance governor like behavior. >> >> So as stated above, by default uclamp_{min, max} = (0, 1024). So it wouldn't >> act as performance governor by default unless you explicitly write 1024 to >> uclamp.min. >> >> Let me go find Ubuntu mainline tree to see if they applied anything extra in >> there. If they modified the default behavior that could explain what you see. > > Actually I see what you were saying now that you copy the config. So I think > I misunderstood and you are running Linus' 5.5-rc2 + Ubuntu PPA config. Yes, exactly. I have a clone of the main Linus git branch, but steal the kernel configuration from the Ubuntu mainline PPA. > > I'm trying to to reproduce the issue at my end. ... Doug