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=-7.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 6B686C35254 for ; Wed, 5 Feb 2020 12:58:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 35050217F4 for ; Wed, 5 Feb 2020 12:58:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="KpvCmxsD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727930AbgBEM6X (ORCPT ); Wed, 5 Feb 2020 07:58:23 -0500 Received: from merlin.infradead.org ([205.233.59.134]:39252 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726386AbgBEM6X (ORCPT ); Wed, 5 Feb 2020 07:58:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=dlZ2JXatY1iOQhXGUdRNEAvuT1KiYZNZnQJyohz4mds=; b=KpvCmxsD8VwVPC0iBV9NgtM+6F fwehJCBoNIRQY0xVYWuM1KCZaWDc9q3fHiHje/Iup7/vLepWq/Cfs+3jolQVOKqC59K9MXgRIZRm/ 5mjWN48c3Y7mYqffxqXzGeNF/O2PHbB7Bvvaix8vzUjRaAg4VTPP/O4p+dGkx+/1+c1GU2oIqFH2g qorkjk7JErvAT8jux4la0PhUI6j77BDELRv+SwoKqZEDngvcxRUMprGCstCovCeDbI6MuUMiL8rFw 25U9wdEU+09IetjLHUbrvAOK3E5NfF/Rw/PeHFpijo5EHS399y8XmipZ4dq0MnwPmaghBeLoyymw+ pX+NYlXA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1izKFr-0002fZ-Vu; Wed, 05 Feb 2020 12:58:08 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 0DA7F3016E5; Wed, 5 Feb 2020 13:56:19 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 0702A2B77760E; Wed, 5 Feb 2020 13:58:05 +0100 (CET) Date: Wed, 5 Feb 2020 13:58:04 +0100 From: Peter Zijlstra To: kernel test robot Cc: Jiri Olsa , Ingo Molnar , Vince Weaver , Jiri Olsa , Alexander Shishkin , Arnaldo Carvalho de Melo , Arnaldo Carvalho de Melo , Linus Torvalds , "Naveen N. Rao" , Ravi Bangoria , Stephane Eranian , Thomas Gleixner , LKML , lkp@lists.01.org Subject: Re: [perf/x86] 81ec3f3c4c: will-it-scale.per_process_ops -5.5% regression Message-ID: <20200205125804.GM14879@hirez.programming.kicks-ass.net> References: <20200205123216.GO12867@shao2-debian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200205123216.GO12867@shao2-debian> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 05, 2020 at 08:32:16PM +0800, kernel test robot wrote: > Greeting, > > FYI, we noticed a -5.5% regression of will-it-scale.per_process_ops due to commit: > > > commit: 81ec3f3c4c4d78f2d3b6689c9816bfbdf7417dbb ("perf/x86: Add check_period PMU callback") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > I'm fairly sure this bisect/result is bogus. From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============4397109480180499711==" MIME-Version: 1.0 From: Peter Zijlstra To: lkp@lists.01.org Subject: Re: [perf/x86] 81ec3f3c4c: will-it-scale.per_process_ops -5.5% regression Date: Wed, 05 Feb 2020 13:58:04 +0100 Message-ID: <20200205125804.GM14879@hirez.programming.kicks-ass.net> In-Reply-To: <20200205123216.GO12867@shao2-debian> List-Id: --===============4397109480180499711== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Wed, Feb 05, 2020 at 08:32:16PM +0800, kernel test robot wrote: > Greeting, > = > FYI, we noticed a -5.5% regression of will-it-scale.per_process_ops due t= o commit: > = > = > commit: 81ec3f3c4c4d78f2d3b6689c9816bfbdf7417dbb ("perf/x86: Add check_pe= riod PMU callback") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > = I'm fairly sure this bisect/result is bogus. --===============4397109480180499711==--