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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2FD1CA0EC3 for ; Tue, 12 Sep 2023 13:19:33 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 52DA76B00E8; Tue, 12 Sep 2023 09:19:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4DDF46B00E9; Tue, 12 Sep 2023 09:19:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 357116B00EA; Tue, 12 Sep 2023 09:19:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 209DB6B00E8 for ; Tue, 12 Sep 2023 09:19:33 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id E98F51601F4 for ; Tue, 12 Sep 2023 13:19:32 +0000 (UTC) X-FDA: 81228002184.24.BAE2916 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.24]) by imf01.hostedemail.com (Postfix) with ESMTP id 33CF04001A for ; Tue, 12 Sep 2023 13:19:28 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=BN13a7SH; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}"); dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf01.hostedemail.com: domain of oliver.sang@intel.com designates 134.134.136.24 as permitted sender) smtp.mailfrom=oliver.sang@intel.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1694524769; a=rsa-sha256; cv=fail; b=g77Q0Jr/1Nu1QqPeVFQY2ZlOzm3c3Jmy5vakRKxWH4qQJtVuNrzsLuWU9k+oXshdmMrol2 Xq4sUV6s4QH8Vg3FE1hh/kdNkGyHvRjqHn/AdsP9DWzqoqpf1kpAbWg9skm1fIYX91qary 9YC8annR6UpEBS1+QOL81ziR93zl5/k= ARC-Authentication-Results: i=2; imf01.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=BN13a7SH; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}"); dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf01.hostedemail.com: domain of oliver.sang@intel.com designates 134.134.136.24 as permitted sender) smtp.mailfrom=oliver.sang@intel.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1694524769; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=hV/Eayf1fWoL+oxARHV6slrGWnK3Da+Ti41Ara72mNo=; b=4iqON6gChKWVO5qrELubClO2s9exFCwOj2bfbfgBLVa0q7Mu4aKCjFqHwophQVxgiw+pVI PB7UMaraI9DUtok+U4/T080aDasaiukpjZx+7wKga1kE6k8Qjd6X78cCJ6m8Ta1EF7RJgl 5lwaSOEWUZ3nQR7XQ/yESf+Tiy14fW0= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1694524769; x=1726060769; h=date:from:to:cc:subject:message-id:references: in-reply-to:mime-version; bh=HG6MCGkzzq79j1ZlD6pEW84nCYH28gpr5UOFoOC1HRA=; b=BN13a7SHPQtjXVnlGkFUBLZbcF+wRer7NiaC7Y4NScNItKCjqGoDQslk SjEJM23oIiWBwtBIkqyn06pjLYqDxRzE7+PK80r/UN2vSkUz/qiKZuvzo mosf3Vgfa3Ug3PstG6lUPchaOvUJ9dxw21sAWVBaUBotAYvZIbCMDukqm L+GYrnbR3/7/H5tZLzdePCsBL1bn6+omqZnz5KMfT9YPpvfSUbQ3fPLTn aBO4qFG6DflrItnhZ+5ENK4vaS30lvtQc3A3bKYhg3JkCLUwDNjS3zlDA 9fMlbwkAVM8G9CUp9DSpKicG1hUIfKG0aB6+B0IThTU3346JLHOppdXYU g==; X-IronPort-AV: E=McAfee;i="6600,9927,10831"; a="381071157" X-IronPort-AV: E=Sophos;i="6.02,139,1688454000"; d="scan'208";a="381071157" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2023 06:19:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10831"; a="990499510" X-IronPort-AV: E=Sophos;i="6.02,139,1688454000"; d="scan'208";a="990499510" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by fmsmga006.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 12 Sep 2023 06:19:24 -0700 Received: from orsmsx603.amr.corp.intel.com (10.22.229.16) by ORSMSX603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32; Tue, 12 Sep 2023 06:19:23 -0700 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) by orsmsx603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32 via Frontend Transport; Tue, 12 Sep 2023 06:19:23 -0700 Received: from NAM02-SN1-obe.outbound.protection.outlook.com (104.47.57.46) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.32; Tue, 12 Sep 2023 06:19:23 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Et2ghq9ewBk7FK1hncQykwTXqHC5BjcoB7x+BqiURB5uoECfOux23LSvZB4gN4vGYq1xJOQ2dtlZPEiPM2l7qskb3IiynrV44focABJ+TtHRBCCbAlJnb44bi1GJSWAhlo2Dj+5xulsZf3qWmPaz2P7OaQFrowYbQoMvMgPzZD7fZara00LUeWHo0/v2/ZBgrUyD3Ys4jIU5hyrMRFe2hVXF7TGD3pyKJRRFsEeXh+PHKXamMTJpFSRJhCRl2J4iR6rJWnzFSkS00rpI3XStcan5HXavSAjHuDIRjvB4KizRDDALfEt93KNXVEKUIYb7WbKlmQfw4gsxFF+WmacImg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=hV/Eayf1fWoL+oxARHV6slrGWnK3Da+Ti41Ara72mNo=; b=gcXbYvXq+8DCyrIjLIjXUWthlTQdWXTpsO/4Ma+cPH48pmVuxBDJd9h/P3wEFFabmDXruZXkU/oGMc+uyXRXtJhzF8hmE7vRPwGb65lP1R3cD4bEiARBMZej0VLLItGGLvgF6ui2ozWBstvpHO4StvAq3EWjWuvbkQgkaLrkcCH1EZyGdqH3oRQ5N1D7KEdhmqPCgFLWMDfryrUkmG82ta+B2BWP5vhIIS4h+wEWRGXLYsJ3uUpYhf8zwo3IHGVeKY6eBOlYCyplR6QA6cOLDrosizDERQWKGorLH5X6QlBXt4Bmdvsoh/PzCnHDOrIuh2UzElitNWL0UpLquXNb1w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from PH8PR11MB6779.namprd11.prod.outlook.com (2603:10b6:510:1ca::17) by BN9PR11MB5337.namprd11.prod.outlook.com (2603:10b6:408:136::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6768.37; Tue, 12 Sep 2023 13:19:22 +0000 Received: from PH8PR11MB6779.namprd11.prod.outlook.com ([fe80::73c6:1231:e700:924]) by PH8PR11MB6779.namprd11.prod.outlook.com ([fe80::73c6:1231:e700:924%4]) with mapi id 15.20.6768.029; Tue, 12 Sep 2023 13:19:21 +0000 Date: Tue, 12 Sep 2023 21:19:11 +0800 From: Oliver Sang To: Chuck Lever III CC: "oe-lkp@lists.linux.dev" , kernel test robot , Linux Kernel Mailing List , Christian Brauner , linux-mm , "ying.huang@intel.com" , "feng.tang@intel.com" , "fengwei.yin@intel.com" , Subject: Re: [linus:master] [shmem] a2e459555c: aim9.disk_src.ops_per_sec -19.0% regression Message-ID: References: <202309081306.3ecb3734-oliver.sang@intel.com> <84984801-F885-4739-B4B3-DE8DE4ABE378@oracle.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <84984801-F885-4739-B4B3-DE8DE4ABE378@oracle.com> X-ClientProxiedBy: SG2PR06CA0202.apcprd06.prod.outlook.com (2603:1096:4:1::34) To PH8PR11MB6779.namprd11.prod.outlook.com (2603:10b6:510:1ca::17) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR11MB6779:EE_|BN9PR11MB5337:EE_ X-MS-Office365-Filtering-Correlation-Id: 70bfd686-a8e5-4020-2f60-08dbb392e083 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH8PR11MB6779.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(7916004)(136003)(366004)(396003)(376002)(346002)(39860400002)(451199024)(186009)(1800799009)(83380400001)(66946007)(54906003)(41300700001)(66556008)(6506007)(6486002)(107886003)(26005)(6666004)(82960400001)(8936002)(8676002)(66476007)(4326008)(44832011)(6916009)(316002)(5660300002)(478600001)(38100700002)(86362001)(4744005)(2906002)(33716001)(9686003)(6512007);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?CDwMRdzupi+fiJySiZPGx8x+fJBhdq+Ht0pfgy530W62NvNEwu0SmvWxaa7G?= =?us-ascii?Q?jsbbkUuN0MQzxL4R+x7kbKLMNA7Tgda6QoXeQE7OhUh3D2hGtDEz27kR/xne?= =?us-ascii?Q?T5LOn56tP0KHrRAE6/cu2LBCREjMEWFKN43E9s9R4DJvf89W3Fy4q1ohYmT/?= =?us-ascii?Q?mzQ7wtndeaCPwNn3tawkrwRoGaexxFTsnMnUHdYf9P3MTc+U4ny8SEj5djuk?= =?us-ascii?Q?22WKoIkl/tT76U95BDRbCeBYzhOhLeYAsyUyiDrMvhbXsmw7C2VGN5RmgeVw?= =?us-ascii?Q?lSNQdrnHuHNvu/9aSkQ1UKDfHGJ15mMYWqJBWzlawAwrzTvLFHainfkfwbph?= =?us-ascii?Q?ojaa7cb1JBPWkoqEesH2sB95YdhuyL1OYxkq6ES1xdkh2BbziVxJQhsmOyhz?= =?us-ascii?Q?Ge7Lic5EBcN9Zsb+pbcyAv1NvkHgByCBtMrBWCM2OLSrzk2KV3Am4eqzUS4y?= =?us-ascii?Q?bLJeq2t5p2JgEEHD5yx1+p1u+l34UVVi56jPHw5RC2WgIGJTAGQPcmoUdVeS?= =?us-ascii?Q?OWZDP3ArUQhgCcjtEVqLvc+LHpOv2M3thT58we4fTuc+Cm5O+3W5lksmbzWN?= =?us-ascii?Q?M3YBGFXJx3rPm0bFSSz9fSJlcMrRHwXdZiHnudniN1foiyvX7l5WtHNzUy0i?= =?us-ascii?Q?v/+MPwBlXw1rW/sprHmr0+MVtUi+4unZKelMatSNLQ4ZhSmgmtfA9kCRcwpD?= =?us-ascii?Q?g81cP3wyCucMVAgCFtxr4DZCqUREpp5IPYg5axVHsZmtK8XMfFwnfEwEkUMD?= =?us-ascii?Q?QXtrPtirBPx3WS2fM09XqOjwYg4IFug1WVWrLLwZAAsGwMDM3xyfK6MjQNAI?= =?us-ascii?Q?96yfGvFGM8D0MzPYIjEzpScta9xXoorAvnFKpc/s0kRVQzN1CrH2DtepuokO?= =?us-ascii?Q?kKaSVaoxYWnV5doA7aC0AZmn0yDf848AlYovj0BENgqgiedXB4z9bhk7iZsk?= =?us-ascii?Q?3+qYNqVGYfPCbj+uLQMxIHqcp3AhRJIf2PTuTGbSCDPqczgTnN5cso5CL10+?= =?us-ascii?Q?5F3nyziHQPT4UCv667mBbqA2e7BHwGsPFnjoucEh9whEIKKVvvUGN3/WwJ22?= =?us-ascii?Q?hPuwjYPVIhj2D2onuWYey+mMqihR3wm4lOoC4XHsg1qGrvQEVV5pSw4WnfzN?= =?us-ascii?Q?uOvCekB7RrV3Y+4eoS8207Y5l8K9WlOozHO3XrMtlOaSCeqlTPvobfb6fXpv?= =?us-ascii?Q?kjnzDQoc8kYmqh0PFV2WbUSUzt66axNf+RpsgtYpt398s60G8Hhscqpm2iFY?= =?us-ascii?Q?6fhQW2j4kfUSEvY9zrQ8l+qFX8CzKVT6tJtNQZ+lXybc0AVuOUayzJZMSuC+?= =?us-ascii?Q?mlGkvNyeaoUhHRQVY3Dbhsks+MZadwkZcnyHwVMXhR5+GgtBA1rmZIXkjJlj?= =?us-ascii?Q?XW1YrR2Tw9PrgE0Db7qAC9vpnX4U19A93ginfkjuYqcn6UWrdYhucHl6ItAG?= =?us-ascii?Q?nsb/AoIyRiORm0q+u8itfpWERM9in5y+F39nA/74qCwoRR5tekja2bY3pi/I?= =?us-ascii?Q?R5kzId2IFxn3Lnjhly17BAV1XnMs1dMpMJeo/lI6WGIAXxxUQGhuzGpOf94M?= =?us-ascii?Q?TUDRf1GPFvbyRCCWDJo/0zaKbUi6YjY5VfDFQzg6VLmR++QxgKM/ypEjPhXG?= =?us-ascii?Q?CQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 70bfd686-a8e5-4020-2f60-08dbb392e083 X-MS-Exchange-CrossTenant-AuthSource: PH8PR11MB6779.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Sep 2023 13:19:21.7624 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 6RDXvZpbCAPtaSoELA+SI3t1C0NMg+bzFQfWwhwYO5uG9yJjYBBgiBTLXC8RCfsk3eJTK/+Y4GX5NfAOVuFdcA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN9PR11MB5337 X-OriginatorOrg: intel.com X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 33CF04001A X-Stat-Signature: qni4swq9xa5c15yob7io58sstpsqo1dx X-HE-Tag: 1694524768-636620 X-HE-Meta: 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 YPqF9Ko6 rkRNeKt3oToIEhgWmQtK2Qb2PBIEtbck4PJguFzSTP1PfXvQUFLylKhTaelCq3FNuyWcYjEXr0gmbgAzlM1t0uyKBJTKgGjKfKAaRPfESg1INKlHpqY006DP16yvNIoDZ83HzMNc7DzB4RwoHsKFJl7F7Y3yiRSocZ2tF7ayCd0EdmoVUT34eGtA5yhGrtF6+cZbgosrveEZu69MP9xVGQTPWgfTqQwNbBPi7XDE0/jLWloyc0mj7CuqIEPfYJOcvmik1Yz4s+AoK+ySDLzh8FEywi+eaoJPdvAGSe8+IX7/xc83A3X/eovTeXKMsaTmRUIHpAMyXCzbAEfkgH3iqbhJI5XBVdXrCArpYrxVsaNH9L2pGttPY5B5nAgfaRp+Cxub64PBe/KLTrlv3Vjiv9LtmCA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: hi, Chuck Lever, On Tue, Sep 12, 2023 at 01:01:29PM +0000, Chuck Lever III wrote: > > > > in our tests, the regression still exists. > > Thanks for clarifying. I wondered about that, of course only just > after clicking "Send". > > > >> But, I'm still in a position where I can't run this test, > >> and the results don't really indicate where the problem > >> is. So I can't possibly address this issue. > >> > >> Any suggestions, advice, or help would be appreciated. > > > > if you have further fix patch, could you let us know? I will test it. > > Well that's the problem. Since I can't run the reproducer, there's > nothing I can do to troubleshoot the problem myself. > > Is there any hope in getting this reproducer to run on Fedora? sorry about this, maybe it's hard for us to support Fedora in a short time. BTW, we are investigating this regression now, hope that we can update you later. Thanks > > > -- > Chuck Lever > >