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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 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 4F954C47089 for ; Fri, 28 May 2021 00:59:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2EBE7610CB for ; Fri, 28 May 2021 00:59:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234920AbhE1BB3 (ORCPT ); Thu, 27 May 2021 21:01:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:55198 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229843AbhE1BB2 (ORCPT ); Thu, 27 May 2021 21:01:28 -0400 Received: from oasis.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5BD73613AF; Fri, 28 May 2021 00:59:53 +0000 (UTC) Date: Thu, 27 May 2021 20:59:51 -0400 From: Steven Rostedt To: kernel test robot Cc: Yejune Deng , 0day robot , Yejune Deng , LKML , lkp@lists.01.org, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@intel.com, peterz@infradead.org, tglx@linutronix.de, mingo@kernel.org, rafael.j.wysocki@intel.com, npiggin@gmail.com, mark.rutland@arm.com, elver@google.com Subject: Re: [irqflags] 21db66c4ff: will-it-scale.per_process_ops -4.5% regression Message-ID: <20210527205951.2490d75b@oasis.local.home> In-Reply-To: <20210525070354.GD7744@xsang-OptiPlex-9020> References: <1621824679-29258-1-git-send-email-yejunedeng@gmail.com> <20210525070354.GD7744@xsang-OptiPlex-9020> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 25 May 2021 15:03:54 +0800 kernel test robot wrote: > FYI, we noticed a -4.5% regression of will-it-scale.per_process_ops due to commit: As Mark explained, your patch was not a nop. And the 0day bot just showed you why we didn't do it the way you suggested. -- Steve