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Sun, 18 Feb 2024 13:02:14 +0000 Date: Sun, 18 Feb 2024 21:01:57 +0800 From: Chen Yu To: Madadi Vineeth Reddy CC: Tim Chen , Aaron Lu , "Dietmar Eggemann" , Steven Rostedt , Mel Gorman , K Prateek Nayak , "Gautham R . Shenoy" , Chen Yu , , Juri Lelli , Mathieu Desnoyers , Ingo Molnar , Peter Zijlstra , Vincent Guittot , Madadi Vineeth Reddy Subject: Re: [PATCH v2 0/3] Introduce SIS_CACHE to choose previous CPU during task wakeup Message-ID: References: <31622970-62e2-020a-b802-9b961a7db03d@linux.ibm.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <31622970-62e2-020a-b802-9b961a7db03d@linux.ibm.com> X-ClientProxiedBy: SI2P153CA0017.APCP153.PROD.OUTLOOK.COM (2603:1096:4:140::10) To DM4PR11MB6020.namprd11.prod.outlook.com (2603:10b6:8:61::19) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR11MB6020:EE_|MN2PR11MB4648:EE_ X-MS-Office365-Filtering-Correlation-Id: adf5346a-1bec-4324-535f-08dc3081d3e9 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:DM4PR11MB6020.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(7916004)(39860400002)(366004)(376002)(346002)(136003)(396003)(230922051799003)(1800799012)(451199024)(64100799003)(186009)(66476007)(4326008)(66946007)(6916009)(4744005)(8676002)(7416002)(66556008)(2906002)(8936002)(86362001)(38100700002)(83380400001)(82960400001)(478600001)(6506007)(6666004)(6486002)(53546011)(54906003)(316002)(9686003)(6512007)(26005)(33716001)(5660300002)(41300700001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ZkC/urHlT/ZYdPkDkj1ABdDvGvb18oFUYDcpweKeEpObt5UVe8eTpZSk6ueU?= =?us-ascii?Q?omrcI6D7cQVdjevjY6qHC3aUt28g187DvLttiWnyDHV6OFS2P5lh2DuTuWji?= =?us-ascii?Q?XAcMq2Z8I0CVfC9tYsLEM2jTP+lHlpNqy6Ar9zblYBqcbPFLTvHuR4iuGWpV?= =?us-ascii?Q?cLmQLY1GulF7KgqOO0v6GUsHxuhrK88QFgNDzX0mvsgY00FJC1aGBzK/Ch24?= =?us-ascii?Q?nct/o/obXCaO+uP+ZjVClAubamxHEd6YjbGfk1EzUEJqtGklFF6DB2vyLRRt?= =?us-ascii?Q?5/c4BY/y+tR3keYcITdBwu5IfmEtjGgmIqxXrMYuVkU6bXend1r+J0DieHrM?= =?us-ascii?Q?Tp9y7PeQel1JMRoxRNsAQ19Ds+4d1UnMgoR4Y8H+E17cwX2b2jCRJ7zl73Ze?= =?us-ascii?Q?mK/9iMN9MbAK8ioV417hobb0Q8PISsz0GhQnEOaUkTumxFtFRtGpKwdD8eLJ?= =?us-ascii?Q?SSNc18z0ZaOsIU7PWugUBqMRdMFPjIaf7dSVKjtf1jGjoaiNuSuQuyQERf+w?= =?us-ascii?Q?AmS2XWldWfXyilBXV6XBZI0Z31ioZ0xnbFcxMxOCrNcoNGyn3VfjKOIWG8P1?= =?us-ascii?Q?ASSx7hKeiQA53buISGsVq+XuFEfQh8peHOR961rHzf9tsB45zmBsXap3OcPP?= =?us-ascii?Q?WvfDnsz3Ugr/h2Ca1gCYP3gYUpgVVkEn2KVh09FVYOKyvECXaV9TbtmVupKF?= =?us-ascii?Q?hUJet6w8kTcPdtULwOAR3OBS5ma6kminbZcArbVvUSBlinE+YHG8rqL1hfP0?= =?us-ascii?Q?UnCKx/LvD5k2mt2vLhWwA6Z9q6GA6rvBmxPa4KDedihI+oGxUTzlNEhR8uUi?= =?us-ascii?Q?GzaSYiIid+I+AmiNPT6LVxg+UNy9DHp6tgLYCXreJ3qlCDop2VcsCa71ovR1?= =?us-ascii?Q?dd2585Wv9BYFMVG821qygIsdFPXhMqR30puUHBPAbVwpPUAIbyGFZmrNOUru?= =?us-ascii?Q?3uHP/UlL29ULPwtKQgZI4M8MybcQvOpYmfNn7w6XvMx9gHzf7fqgV9Ds0ji0?= =?us-ascii?Q?xwsmlW8Ztmwo0rUyN4SY68b9pQ5QvXKoeXDIKbRmh7FHYv3LoVl6/sv3DGN+?= =?us-ascii?Q?19f5uNgJwpfgkOYGAsADmUfA2xDWa6DVxq/i9yt1IfbfRE89y5yLfyD8A2HI?= =?us-ascii?Q?1XGwII2TPdgD5bLjHv/ckIdkANc1BBbWZCBYPKaX6mao7qc/eGJ/2hMyLaiL?= =?us-ascii?Q?r0IAoMKcsToaCoE4Zg62HodeGpFdXx03mFik6k5JS8aM/Aj9j57zTVRjaYuy?= =?us-ascii?Q?NhTOFidvH5kpFYQxD1zdhgtzD7uvvOYAOK3z2IafdFANDBQrtEj23pkaq6hr?= =?us-ascii?Q?TXBWV+PRgapxjyI8YQlcUd9xVVsRIyKGcH1dhakMWITjlcUM27RiYVdpKVRl?= =?us-ascii?Q?ZCO1xPOZQ3trlNOWeJ8jmk1jNuZjtFELTnJ6T0CKt7iqSp7b5pcTk4J9R/ZB?= =?us-ascii?Q?vgUw4KpYzksFxAT8MtaN/YSMJBVdUZAx3XEZDqLCHrzHlpcJM5CSHTPqFBrd?= =?us-ascii?Q?tP8mmKacnNBSyA7+Fzo1/SLYFbQOeJV3Guy4fWreH3DnKTy8aBwUSrtfTWXr?= =?us-ascii?Q?kJCTEPRo1s2vcjRoTeR0ucpfqOz9FTsvCSp41FQT?= X-MS-Exchange-CrossTenant-Network-Message-Id: adf5346a-1bec-4324-535f-08dc3081d3e9 X-MS-Exchange-CrossTenant-AuthSource: DM4PR11MB6020.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Feb 2024 13:02:14.5711 (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: Ih/racjDXyeo343Asf2WfJdbzyY6AVRffjxu1JweygFAdJB0EVI/ZIT0gDVAVNWb0NHPz7+wpQRb2VLDKqUm3g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB4648 X-OriginatorOrg: intel.com Hi Madadi, On 2024-02-18 at 14:57:17 +0530, Madadi Vineeth Reddy wrote: > Hi Chen Yu, > > On 21/11/23 13:09, Chen Yu wrote: > > Any update or progress regarding this patch? > > I was working on a patch that improves scheduler performance in power10 by making changes > to the order in which domains are accessed for cpu selection during wakeup. It turns out > that this patch is helpful in that regard and my patch is giving better performance on top > of this patch. > > So, looking forward to know the progress/status of this patch. > Thank you for your continuous interest in this proposal. Glad to hear that with your patch applied on top of this can get better performance. Let me rebase the patch on the latest kernel/do some code cleanup and send the new version out. thanks, Chenyu