Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) client-ip=2620:137:e000::3:6;
Date:   Tue, 12 Sep 2023 21:19:11 +0800
From:   Oliver Sang <oliver.sang@intel.com>
To:     Chuck Lever III <chuck.lever@oracle.com>
CC:     "oe-lkp@lists.linux.dev" <oe-lkp@lists.linux.dev>,
        kernel test robot <lkp@intel.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Christian Brauner <brauner@kernel.org>,
        linux-mm <linux-mm@kvack.org>,
        "ying.huang@intel.com" <ying.huang@intel.com>,
        "feng.tang@intel.com" <feng.tang@intel.com>,
        "fengwei.yin@intel.com" <fengwei.yin@intel.com>,
        <oliver.sang@intel.com>
Subject: Re: [linus:master] [shmem]  a2e459555c:  aim9.disk_src.ops_per_sec
 -19.0% regression
Message-ID: <ZQBlT7NYfHldWs0t@xsang-OptiPlex-9020>
References: <202309081306.3ecb3734-oliver.sang@intel.com>
 <C85F44FD-BC7D-421B-9585-C5FDFAEA9400@oracle.com>
 <ZP++GV9WURg1GhoY@xsang-OptiPlex-9020>
 <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>
MIME-Version: 1.0
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
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Tue, 12 Sep 2023 06:19:35 -0700 (PDT)
X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,
	DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,
	MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable
	autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email

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
> 
>