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Fri, 16 Aug 2024 21:42:36 +0000 Message-ID: Date: Fri, 16 Aug 2024 14:42:32 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 18/22] x86/resctrl: Report "Unassigned" for MBM events in ABMC mode To: Babu Moger , , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <5906d1a910c5e2bceb680c874e5e391618f6e313.1722981659.git.babu.moger@amd.com> From: Reinette Chatre Content-Language: en-US In-Reply-To: <5906d1a910c5e2bceb680c874e5e391618f6e313.1722981659.git.babu.moger@amd.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR03CA0188.namprd03.prod.outlook.com (2603:10b6:303:b8::13) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB7573:EE_|SJ0PR11MB4976:EE_ X-MS-Office365-Filtering-Correlation-Id: 177b5442-6bd2-44cc-d679-08dcbe3c57b1 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;ARA:13230040|1800799024|7416014|376014|366016; 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User will also have the option to > + enable only one counter to the group. > + > + With limited number of counters, system can run out of assignable counters. > + In mbm_cntr_assign mode, the MBM event counters will return "Unassigned" if > + the counter is not assigned to the event when read. Users need to assign a > + counter manually to read the events. This seems more appropriate for the "mon_data" section. Reinette