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Tue, 26 Nov 2024 18:38:39 +0000 Message-ID: <4f74620f-1a85-48d4-a911-e6bc31f32c01@intel.com> Date: Tue, 26 Nov 2024 10:38:38 -0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 6/8] x86/resctrl: Add "mba_MBps_event" file to CTRL_MON directories To: Tony Luck , Fenghua Yu , "Peter Newman" , Jonathan Corbet , CC: James Morse , Jamie Iles , Babu Moger , Randy Dunlap , "Shaopeng Tan (Fujitsu)" , , , References: <20241122235832.27498-1-tony.luck@intel.com> <20241122235832.27498-7-tony.luck@intel.com> Content-Language: en-US From: Reinette Chatre In-Reply-To: <20241122235832.27498-7-tony.luck@intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR03CA0337.namprd03.prod.outlook.com (2603:10b6:303:dc::12) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) 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: SJ2PR11MB7573:EE_|LV2PR11MB6045:EE_ X-MS-Office365-Filtering-Correlation-Id: 4146df68-2a5c-47d6-bbc1-08dd0e498bc3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|366016; 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Instead of specifying allowable > bandwidth as a percentage of maximum possible, the user > provides a MiB/s limit value. > > In preparation to allow the user to pick the memory bandwidth > monitoring event used as input to the feedback loop, provide > a file in each CTRL_MON group directory that shows the event > currently in use. Note that this file is only visible when > the "mba_MBps" mount option is in use. > > Suggested-by: Reinette Chatre > Signed-off-by: Tony Luck > --- Reviewed-by: Reinette Chatre Reinette