Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp80212pxj; Thu, 27 May 2021 22:00:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzyGIW6fjAXe7r3VMkEQTNgJ9ZWIIdGNectcXYR008s8CHfNUcx9gdUL3K6veRGRbRljyyU X-Received: by 2002:a17:907:1b02:: with SMTP id mp2mr7295601ejc.196.1622178056658; Thu, 27 May 2021 22:00:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1622178056; cv=none; d=google.com; s=arc-20160816; b=J1LStBzfPDVbbbeoDStPJ58y1361b+xzHmD2znIamO0+KG0IFO2KeZRtI3qmdt30nV fJDiI/luuUaCwyh6QUD4QMbfM9FOsLos/1LA2DzOKQj3skKpA+CixCoBaweBICKgO0H0 U+pRAyp46gRUrR6gogX7lGzP8qDtLsu5AxiWGJOQfgsy3/aMtx/Zz7rqQkXYr2R5Wm/8 JLzq7PoF+SD4KW30WzXfzi0//Xh1Fh0v3cYftHyjMfdoahdEb87om9LIVIBumalh76+F x2KGc/4Blz4WD759FL/YUA8E1dAJLtGoln8KQtq9tEXbiQA4pRqhKojgE2a+mVEPpgMN 4J6A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=QFvBSU5ilYoJ/EmBz3cPnoTUqXWTI83M6ZkOh7kEMlo=; b=MZAWjSTA1qnIwOVuwATNCUxd5UAWfKtcxRIf+2jRIoi+GwiW44UDSC59R3gTfqeip2 tLPVSGIAFF1QST+cx4UpHCaPskby/WFKEzHhqt/cc9CEseOiVfjdaBbhILnBrxAESqi3 5hcwKzy+eIq0Keteq5cyUYl8loa10rgphsNbKj0cusBNCpgK+orGWStgV51n+LN5tc/U tX7nwXs94EfhmjwpgKKol1759w/YMZTNyfLRotgC7Ea1vPE/wdjo9h1yBHR8IfJgJyPH QM95DRsw2mhGbEfEhvQi9PvfiicR7H2+dyLf1AiURO0COfhxVv8MvuuD5ui8LbyvCJHa L14w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ca28si3784454edb.453.2021.05.27.22.00.33; Thu, 27 May 2021 22:00:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234497AbhE1BB3 (ORCPT + 99 others); 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