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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 6C1C0C43331 for ; Tue, 24 Mar 2020 15:38:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4EEF32073E for ; Tue, 24 Mar 2020 15:38:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728917AbgCXPiw (ORCPT ); Tue, 24 Mar 2020 11:38:52 -0400 Received: from mga17.intel.com ([192.55.52.151]:39337 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728895AbgCXPit (ORCPT ); Tue, 24 Mar 2020 11:38:49 -0400 IronPort-SDR: BEFFkdBFxk7mRHJWpm9/RHq3IgnTmzEXOBWsUrH6m8vuJAnWduQl+Zg4o4BMZ5/r5DzjqYcVmW I0MuydOxiWPg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2020 08:38:48 -0700 IronPort-SDR: OH9LOnbiL4v4JZEOKEB/asPk1R/gzlJCOgYYDD8Y/4+mtRjZPj4rORMZ9Y6HhOwPh9gE+I4cRC Soiz8Ghm/JHg== X-IronPort-AV: E=Sophos;i="5.72,300,1580803200"; d="scan'208";a="238262386" Received: from spandruv-mobl.amr.corp.intel.com ([10.134.90.138]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2020 08:38:47 -0700 Message-ID: <406e39aa9890d4d518a2259b539858d82f4d6e18.camel@linux.intel.com> Subject: Re: [cpufreq] 06c4d00466: will-it-scale.per_process_ops -53.4% regression From: Srinivas Pandruvada To: Andy Shevchenko , kernel test robot Cc: Thomas Gleixner , LKML , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , Greg Kroah-Hartman , Mark Gross , Tony Luck , "Rafael J. Wysocki" , Viresh Kumar , Linux PM , Len Brown , Paolo Bonzini , Darren Hart , Andy Shevchenko , ACPI Devel Maling List , linux-edac@vger.kernel.org, Platform Driver , Jean Delvare , Guenter Roeck , linux-hwmon@vger.kernel.org, Zhang Rui , Daniel Lezcano , Amit Kucheria , Chanwoo Choi , Jacob Pan , Adrian Hunter , Ulf Hansson , linux-mmc , Bjorn Helgaas , linux-pci@vger.kernel.org, Takashi Iwai , ALSA Development Mailing List , Herbert Xu , "David S. Miller" , linux-crypto , lkp@lists.01.org Date: Tue, 24 Mar 2020 08:38:46 -0700 In-Reply-To: References: <20200320131509.564059710@linutronix.de> <20200324060124.GC11705@shao2-debian> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.2 (3.34.2-1.fc31) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2020-03-24 at 12:24 +0200, Andy Shevchenko wrote: > On Tue, Mar 24, 2020 at 8:02 AM kernel test robot < > rong.a.chen@intel.com> wrote: > > Greeting, > > > > FYI, we noticed a -53.4% regression of will-it- > > scale.per_process_ops due to commit: > > commit: 06c4d00466eb374841bc84c39af19b3161ff6917 ("[patch 09/22] > > cpufreq: Convert to new X86 CPU match macros") > > url: > > https://github.com/0day-ci/linux/commits/Thomas-Gleixner/x86-devicetable-Move-x86-specific-macro-out-of-generic-code/20200321-031729 > > base: > > https://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git > > linux-next > > > > in testcase: will-it-scale > > on test machine: 4 threads Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz > > with 8G memory > > with following parameters: > > drivers/cpufreq/speedstep-centrino.c change missed the terminator, > perhaps it's a culprit, because I don't believe removing dups and > reordering lines may affect this. > Can you restore terminator there and re-test? This is a Ivy Bridge. So if it has to do anything cpufreq then it is not loading the cpufreq driver (intel_pstate or acpi_cpufreq). What is cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor >