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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B490C07548 for ; Wed, 15 Nov 2023 11:00:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343499AbjKOLAp (ORCPT ); Wed, 15 Nov 2023 06:00:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234098AbjKOLAn (ORCPT ); Wed, 15 Nov 2023 06:00:43 -0500 Received: from m13123.mail.163.com (m13123.mail.163.com [220.181.13.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C5950F5; Wed, 15 Nov 2023 03:00:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Content-Type:MIME-Version: Message-ID; bh=AoAyeXRo37sAb5BjagZny7kRv3gGNX7G+jb8vQNNTQM=; b=R +1PCBCVTm2A3+5Bu/qxDLOTUG3vJv0jyj4TqBe391hWI3POtTopvzjHvMwZHMOOO xAxy9dxisFe+BQzkg4p24N//7m7h+SSFZyG3nznTVvrl4OI72zwkFHHUneMYnBKw PTKZ8pV/g+dWWHjYL7tFKUrl9fe8fMdELWcosqPqRE= Received: from 00107082$163.com ( [111.35.186.243] ) by ajax-webmail-wmsvr123 (Coremail) ; Wed, 15 Nov 2023 18:59:34 +0800 (CST) X-Originating-IP: [111.35.186.243] Date: Wed, 15 Nov 2023 18:59:34 +0800 (CST) From: "David Wang" <00107082@163.com> To: "Peter Zijlstra" Cc: mingo@redhat.com, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, irogers@google.com, adrian.hunter@intel.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [Regression or Fix]perf: profiling stats sigificantly changed for aio_write/read(ext4) between 6.7.0-rc1 and 6.6.0 X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20230109(dcb5de15) Copyright (c) 2002-2023 www.mailtech.cn 163com In-Reply-To: <20231115103241.GD3818@noisy.programming.kicks-ass.net> References: <449fb8d2.27fb.18bcc190021.Coremail.00107082@163.com> <76d75357.6ab6.18bce6b7d5b.Coremail.00107082@163.com> <20231115103241.GD3818@noisy.programming.kicks-ass.net> X-NTES-SC: AL_Qu2bAvyfukEs4iedZOkZnEYQheY4XMKyuPkg1YJXOp80nivM6iAAWlhxL2LG0PyfMhmTlz+RcyhPxsJWVrZDXbyYQrtRD9l4TshPu4MwOLK3 Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK MIME-Version: 1.0 Message-ID: <407a06f8.632a.18bd2a2ece1.Coremail.00107082@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID: e8GowABnf6+XpFRlSckHAA--.4314W X-CM-SenderInfo: qqqrilqqysqiywtou0bp/1tbiTBEpqmI0cRk0IwADs0 X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CgpBdCAyMDIzLTExLTE1IDE4OjMyOjQxLCAiUGV0ZXIgWmlqbHN0cmEiIDxwZXRlcnpAaW5mcmFk ZWFkLm9yZz4gd3JvdGU6Cj4KPk5hbWh5dW5nLCBjb3VsZCB5b3UgcGxlYXNlIHRha2UgYSBsb29r LCB5b3Uga25vdyBob3cgdG8gb3BlcmF0ZSB0aGlzCj5jZ3JvdXAgc3R1ZmYuCj4KCk1vcmUgaW5m b3JtYXRpb24sICBJIHJ1biB0aGUgcHJvZmlsaW5nIHdpdGggOGNwdSBtYWNoaW5lIG9uIGEgU1NE IHdpdGggZXh0NCBmaWxlc3lzdGVtIDoKCiMgbWtkaXIgL3N5cy9mcy9jZ3JvdXAvbXl0ZXN0CiMg ZWNobyAkJCA+IC9zeXMvZnMvY2dyb3VwL215dGVzdC9jZ3JvdXAucHJvY3MKIyMgU3RhcnQgcHJv ZmlsaW5nIHRhcmdldGluZyBjZ3JvdXAgL3N5cy9mcy9jZ3JvdXAvbXl0ZXN0ICAgb24gYW5vdGhl ciB0ZXJtaW5hbAojIGZpbyAtLXJhbmRyZXBlYXQ9MSAtLWlvZW5naW5lPWxpYmFpbyAtLWRpcmVj dD0xIC0tbmFtZT10ZXN0ICAtLWJzPTRrIC0taW9kZXB0aD02NCAtLXNpemU9MUcgLS1yZWFkd3Jp dGU9cmFuZHJ3ICAtLXJ1bnRpbWU9NjAwIC0tbnVtam9icz00IC0tdGltZV9iYXNlZD0xCgpJIGdv dCBhIGZlZWxpbmcgdGhhdCBmMDZjYzY2N2Y3OTkwIHdvdWxkIGRlY3JlYXNlIHRvdGFsIHNhbXBs ZXMgYnkgMTAlfjIwJSB3aGVuIHByb2ZpbGluZyBJTyBiZW5jaG1hcmsgd2l0aGluIGNncm91cC4K CgpEYXZpZCBXYW5n