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=-5.8 required=3.0 tests=BAYES_00,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 16DCEC433B4 for ; Thu, 22 Apr 2021 15:37:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CDF6B6140F for ; Thu, 22 Apr 2021 15:37:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236579AbhDVPh6 (ORCPT ); Thu, 22 Apr 2021 11:37:58 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:39252 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236396AbhDVPhy (ORCPT ); Thu, 22 Apr 2021 11:37:54 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1619105838; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=7qWCJ3Q81wcbF9una1Suq0iJg1VmWt6VflPj/doKZ1I=; b=N25SkA3kl4XpGp2xguAdMeXSnlVNgloS5PA1DfRFITGe3mWyz6pMSrTB012J81QQpeEdE/ GLYjR2p1Ws2H/1Q9WUkTyvyNjuYEcWXucWDiQIQVVQYFoRMZuKpSy2iURXZBLFcaROY0c/ vzZWMgVWn0WRLcywNaNP/8dF/hkrP1bA7HVA2vFTvyf6Q49qCwb8VTGgB77wtOwhBWW2xV QMkxX4b88wWRsnXwPr76umysqB4HQ/c+Z0sAH4MPCr1dRTGQRHB6vTo4iMTr7ZnC8GMJEP s+iBN6bpw3g5iCBP6arLTVXPVoXeNnPNToforZWRBJEGK6VFuZynhSUxcTuBLA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1619105838; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=7qWCJ3Q81wcbF9una1Suq0iJg1VmWt6VflPj/doKZ1I=; b=qwgquP63myVNvjX12jgtSjHCEboVKD9vtmrZbWxL0TX7LLQUFRGh5lxqaNeO8Fi1IfjpkO 0IP/8UN/uRRGB0AQ== To: Oliver Sang Cc: Peter Zijlstra , Oleg Nesterov , LKML , x86@kernel.org, lkp@lists.01.org, lkp@intel.com, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@intel.com Subject: Re: [signal] 4bad58ebc8: will-it-scale.per_thread_ops -3.3% regression In-Reply-To: <20210422060213.GC31382@xsang-OptiPlex-9020> References: <20210420030837.GB31773@xsang-OptiPlex-9020> <87bla8rehx.ffs@nanos.tec.linutronix.de> <20210422060213.GC31382@xsang-OptiPlex-9020> Date: Thu, 22 Apr 2021 17:37:18 +0200 Message-ID: <87eef2xrdd.ffs@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Oliver, On Thu, Apr 22 2021 at 14:02, Oliver Sang wrote: > On Tue, Apr 20, 2021 at 08:35:06PM +0200, Thomas Gleixner wrote: >> Confused. > > FYI. > we re-test this, and confirmed the regression persistent. still: > > 69995ebbb9d37173 4bad58ebc8bc4f20d89cff95417 > ---------------- --------------------------- > %stddev %change %stddev > \ | \ > 1.271e+09 -3.3% 1.229e+09 will-it-scale.192.threads > 6620228 -3.3% 6401749 will-it-scale.per_thread_ops > 1.271e+09 -3.3% 1.229e+09 will-it-scale.workload I'll have a look. From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============8882434912229178979==" MIME-Version: 1.0 From: Thomas Gleixner To: lkp@lists.01.org Subject: Re: [signal] 4bad58ebc8: will-it-scale.per_thread_ops -3.3% regression Date: Thu, 22 Apr 2021 17:37:18 +0200 Message-ID: <87eef2xrdd.ffs@nanos.tec.linutronix.de> In-Reply-To: <20210422060213.GC31382@xsang-OptiPlex-9020> List-Id: --===============8882434912229178979== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Oliver, On Thu, Apr 22 2021 at 14:02, Oliver Sang wrote: > On Tue, Apr 20, 2021 at 08:35:06PM +0200, Thomas Gleixner wrote: >> Confused. > > FYI. > we re-test this, and confirmed the regression persistent. still: > > 69995ebbb9d37173 4bad58ebc8bc4f20d89cff95417 > ---------------- --------------------------- > %stddev %change %stddev > \ | \ > 1.271e+09 -3.3% 1.229e+09 will-it-scale.192.threads > 6620228 -3.3% 6401749 will-it-scale.per_thread_ops > 1.271e+09 -3.3% 1.229e+09 will-it-scale.workload I'll have a look. --===============8882434912229178979==--