From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (mail-bn8nam12on2076.outbound.protection.outlook.com [40.107.237.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 756F01779BC; Fri, 27 Sep 2024 13:40:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.237.76 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727444450; cv=fail; b=MjiMUpEgzYRZtDjjXNy1iu5zcz6Chkz5kV+Zs/uqUUxNgwHkwP6PsXsyVNNnTjm0/ZiAnJlj+nzT+QGOKDsYIYvSjqzeCGQlMA6+k9Sze9mvQpR3g5+VUHkZCXJItkF+N50+gCxL9I/GSYqS02OVjxFdKzWWbs3ZwmWeC/ufS0s= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727444450; c=relaxed/simple; bh=+FYTs2R8J/RFX1MFG61h323w/wdr1cWQImqNM3DyvjE=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=CnZkqJhs6/PeOQLJA7kTf5FUlVnIn0ulI9zd2j1mtRyPUMNohN0A6ik6zrIrVsufsqif0AzLHQqb9uDmwXEwS3RO1NbuKWHKykwDFrfkSJZWMIYTvTXamwl6UIQQn/ueGyahtKMNnPacRGO0fJlrnCvAzgCLlNyHmhkUsZD1qaA= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=zTzAusyy; arc=fail smtp.client-ip=40.107.237.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="zTzAusyy" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=rQDqNoOtHaWUaLqNDupeBLPcIch7Kpd5Htcd/X5XpCQz4u69Gxg6FuDEojsJZd5WEh8rdPT/Q4kMTtvcDVjmofoDP6JrYdjDcuATLRAcAEHs6jQv+ML65q/FtAWjIuXrO16TTVkJJ8bKDDiPdIPs5oPwenTOgdi5LWGmg5qdtSigE9DJeFCZm2sBa2Ut7Du1OVtgVgDW3ccZgA5QKrC58RgVi14QTqylWZdupQUq2tmYBj3PpXNRavpSZ381v2yd5F8QV/UjbDyIMa6CBFhlAgMPWnKHMPZhhrOprPYxC/1x55HrP9Rrm/WY3Hi6YzFx5VcINy8Qremp/A/iYpshwA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=cAKfBOOIQRW87OXLKeCDTMs/TiFZqYkdRYvmSS6QP2I=; b=uYP7KOk3QsWsiej4AePFWev0wvr+ohjmUjkiWJfsYwtvIbUW+v9MxX3NZTUc3s8qjCug3wmdzSulFkTkwaZuhuFq6I1XuXgMdErODJeyNvJxoi+Y+bM2nxCIuTQdoKjLNSIU1TGhgnZn7LMITIXPEAnH523NIM0wmi0+sAK9U9fQiqGTd+vErpEm//I98UhbmTnoRzLfd+ocwikoptzmDAJxcxX/IHOrOZoA+UO4broHnWYGUSASh+C/BMYb/mlAqaQJ6K8g1fMwqaezSDi8F6BVbM4e9Rs35E5OQm451ISdgLxavQA8+QzTv8poJrWZn8ZPkzMSw38YPPD/Ck9VXQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cAKfBOOIQRW87OXLKeCDTMs/TiFZqYkdRYvmSS6QP2I=; b=zTzAusyyp4dvOxgcxHYAQTwApG/V2e3y/Gl4gBwfHnquQ8xC6ys78I/U1dBRrNPEopGDY/8OHuoLISTLmDpF+FMtVKGK5mVnE7+MoFGMw+IcwNSHG7ooKQZ8/yuzjeW7Lvq+gPRq3Fs1mawySt17hpEx49iZoK8vTXU8/3oQZBM= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from SA0PR12MB4557.namprd12.prod.outlook.com (2603:10b6:806:9d::10) by SJ2PR12MB9244.namprd12.prod.outlook.com (2603:10b6:a03:574::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8005.22; Fri, 27 Sep 2024 13:40:45 +0000 Received: from SA0PR12MB4557.namprd12.prod.outlook.com ([fe80::d22d:666e:be69:117f]) by SA0PR12MB4557.namprd12.prod.outlook.com ([fe80::d22d:666e:be69:117f%5]) with mapi id 15.20.8005.024; Fri, 27 Sep 2024 13:40:45 +0000 Message-ID: Date: Fri, 27 Sep 2024 08:40:45 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Reply-To: babu.moger@amd.com Subject: Re: [PATCH v7 19/24] x86/resctrl: Report "Unassigned" for MBM events in mbm_cntr_assign mode Content-Language: en-US To: Reinette Chatre , babu.moger@amd.com, corbet@lwn.net, fenghua.yu@intel.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com Cc: x86@kernel.org, hpa@zytor.com, paulmck@kernel.org, rdunlap@infradead.org, tj@kernel.org, peterz@infradead.org, yanjiewtw@gmail.com, kim.phillips@amd.com, lukas.bulwahn@gmail.com, seanjc@google.com, jmattson@google.com, leitao@debian.org, jpoimboe@kernel.org, rick.p.edgecombe@intel.com, kirill.shutemov@linux.intel.com, jithu.joseph@intel.com, kai.huang@intel.com, kan.liang@linux.intel.com, daniel.sneddon@linux.intel.com, pbonzini@redhat.com, sandipan.das@amd.com, ilpo.jarvinen@linux.intel.com, peternewman@google.com, maciej.wieczor-retman@intel.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, eranian@google.com, james.morse@arm.com References: <1c5b054d8fbc3f7ad22c686d0d5e21e6573187bd.1725488488.git.babu.moger@amd.com> <3734ee4d-f0ab-41b1-8f5d-42642760da8c@amd.com> From: "Moger, Babu" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SN7PR04CA0215.namprd04.prod.outlook.com (2603:10b6:806:127::10) To SA0PR12MB4557.namprd12.prod.outlook.com (2603:10b6:806:9d::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: SA0PR12MB4557:EE_|SJ2PR12MB9244:EE_ X-MS-Office365-Filtering-Correlation-Id: 8bc38590-4b59-4eb5-14b5-08dcdef9fd2c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|366016|1800799024|10070799003; X-Microsoft-Antispam-Message-Info: =?utf-8?B?SCtGWFRneEUyVkQydGJ5YXRIQjRGRWNLK1JpZmhtcGdrNXNtUmp0Nklramtk?= =?utf-8?B?OUxTZGpMVi9QaHk5Rzh3d0xKOVZaTUdyNVRNU3pMTU13bVVhU1k5bU9uZ0tm?= =?utf-8?B?aW11OUFMQlJpZ0JLemQ5T2hBMVd5Qm9XTTRlMXgyaFJ1MnpoaklHbStzRk55?= =?utf-8?B?Q3NaZVlBbG0yemtFMDN6bmUwRDFrNmNZTUJUc1ZHVWZYcldaK0h5YVJmS0lM?= =?utf-8?B?bU9YZ1cvRW5NUUM5QUdGQ1d4WWd3RGJyVlhzbjI0a01BVVIzUFNQemRtMkRX?= =?utf-8?B?RTNqR3pGYUl3aEo1L1k4c3pQamt1TmthcVVLY3RkQytRS1ZPQ0thekRKZGtp?= =?utf-8?B?M29TbnBNMUswMXE3Kyt6MGJCd2JyeWloMk50QzJhNDhxdHRTZ3hJZStldGdz?= =?utf-8?B?YlNKL2R5S0dPekFpek9MT0ZaVzM0OHFZN3NyTmg2MVQvNFh4MEY0RnlxYmxz?= =?utf-8?B?OHNTOVBOSjRlWnBsTVF2dUxGdWtZWmQyUjQwRkdJMXErK1RjcTMybCtNc3Qr?= =?utf-8?B?VEVNaHQ5WU01OEhvZlM4VVhaOUdFVUFZb3p6RzRnejB4cEV2aXFrL0ptdHY1?= =?utf-8?B?RXRCbGxFL1hDN2lZRVlOUU9zUkp0K0t6cU5XTjZERWdvYW1zelpxdjdueEQ2?= =?utf-8?B?ajNxamJBd292YS9CeVh4QTd3S2NkdTBSN3YzVnZEQ3YvOUJEdkJLdVk1Z0F5?= =?utf-8?B?M0hCWEQ0Z0xacEFiY1RUK0hRME1GZFJyM1hROHRKOGxreTdBK2tkMkNCS1k2?= =?utf-8?B?a1JCSmdtZ3Uzc3owTE9YYTVVZVFTMzN1RkE5dDNFR2Y5M1R4cXp0MmMzeis2?= =?utf-8?B?MjNCMUFMRzR3RDZGampaVW40QkQ1bHZpUDZ1WUd2TE9HRUpFTnAvaFdwMmgw?= =?utf-8?B?SzRCTnAxUW1QLzF3Z25XbWtWaXUySk5tNVIvYi8wQXY4Vy9CaUxLTkI4OVFN?= =?utf-8?B?MjAwL0tKZnppTUpEdlB0dXVoM1daSnVJam9CZWpvOFgvajdQN1RmTEE2dUlv?= =?utf-8?B?R2xxZzk0V245OG5IZ3FlUDNXWUpFdks5WWRSTjZHbVFnbHFWU2JET2pEbmla?= =?utf-8?B?ZGo0SVliNDFHT0gvMGFzQll1R3o4SjZlTG9HbU1DYlMyVkk0L2IwUUFiL05Q?= =?utf-8?B?TFdMTVExVUJQRTVTblpZOWttYzVzUWJ6OHVWMFN1cnV5ck5tUGhKU2hEVFRR?= =?utf-8?B?NFBLall3OTB0VUpTTThOK2l1blBtNGQvNmRBa0pHc1VlbUVraU1TS1hQV1p2?= =?utf-8?B?V3RqaUt6NndVbUlaVXVocjRlYlFuUDcvN1RFd3R4amYxQytRVkthd3FFemFX?= =?utf-8?B?U1lNcVJlUEorNFdMY3d4eGo0V1FndERWNFdOTlNOZHBvODRkZnZHWUVCUlJD?= =?utf-8?B?WCs5KzlFa014cVN3MGVGUVYreXRrVjV3NkhwTU9jMGxoODZ0SllxTlhuVTJZ?= =?utf-8?B?ZVc3dXRDZTJ2aGRudys4UzVwLzRxUUYzTTVzM2pzWWZvdWtqZmZuNVpLbW5O?= =?utf-8?B?YndqYnZWTnZQS3pJc29OMGJTZ01Na1FEZHZZMC9ORzZYL1pIcWZFZm82NHJQ?= =?utf-8?B?UHV4ODY1VWU1UkE2NGR1eWZWWExwdGJCZTk2TEFKZjd2cGdXQ3NlZGNnZ3lE?= =?utf-8?B?UWRxTFVza3dVb2srT2pNWnZUNFlWWVhXeFRMMzk1c3d6bkpFMDRiVFk5c2da?= =?utf-8?B?M2lJRkhESEJDSkNRdGZxMGFRbk1QUWlPdXdCaUFjUzdIUDNSelhrTDNnPT0=?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA0PR12MB4557.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(376014)(366016)(1800799024)(10070799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?a3ZDODVpMHdnczdUSEVla05EemNHUG5QdFFLRVVVU0pxclV5Y0tKWmkzTk1P?= =?utf-8?B?RUxPZDVWNmhwL1NvQkVNeU01UEpTb29nRDhnUW1DeEhZZUgwVnFEZW41aUpC?= =?utf-8?B?YmVkeVg1WUQ3MjZRbE5wbytiQ0E3aVRGRDV1ZDlzZzFTcmpZcHF1eEJtbnNv?= =?utf-8?B?TEhFSXFmeXRtZ3RkTCt6YnF5ZVRKeUVFWmtNUUdqNjQyek9iZG9pM2p6RG0r?= =?utf-8?B?MWNXWjZoZGJQSXpYck9aZWdGbUlvOWVBR1EvSldIWll2WHl0TmJ4MTc5eTlv?= =?utf-8?B?bCtnMEdWS1oycmQvemQ1ekZSMlNlNEMwYzB4TG42WUpnNXZMTGU5OG9VQkwv?= =?utf-8?B?NjNxbVhyYTVvNGVkTVpxdE1YVWh1dFRaR1B6bHp2L1FvSkpyR0wyN04yNGpm?= =?utf-8?B?WmFvZ210OUM5NDVKTHlxSk5pakttbzJoaEZoTW5wSlE5MXZSQktWUnBXRndE?= =?utf-8?B?THRMajJaazZjbG1uQUNXaVBiVFNnVGl5Z2liWEF2Mk1DQjh4TVE2dFhGdjZ0?= =?utf-8?B?OXR0MVZzN1NiZTJZSG02SDh4WGhGQ2dqUEZ0blNaaFk4dW9BSWtTZTZIczRE?= =?utf-8?B?YW1QejVuOUprb1VvS0FNaFNPVjVzOGJpdDhaT2I0STZ3Tk5udjNpcmJzbUtN?= =?utf-8?B?MzNjL2Vad3lPSFU1RTFQUU80VFN6M1pLcDhVSFFXaTZzZCtydEZhcWhoeWFs?= =?utf-8?B?OVhOM3FaeDNjVitPYWJrcmFlR2dSa0FkLzBBSXZZaXc0ei9LbllyRkd4ellR?= =?utf-8?B?Sm5IKzNZd1IvTHQ1MkMybmJXMzNiVGZIQnh3NEh0SWg0ZXNydS9Xd3FzaVY3?= =?utf-8?B?anhhNkxsU1UrNzQzQmtCSVlxVTJrWVl2ckQ4MjR4dFJMTVRJeXBid00wVk5D?= =?utf-8?B?bUQxZVo1dWQvcHNaRUk2bjV5OXpvRi9HOVZ5SSsvNWFrY2M3aGowcjJ6ejB6?= =?utf-8?B?MTgrTUNlOWtpdFpvSXdJQ2dtaERFMW1pYWZPV0ZLZVNJcURLL1N3U1NpYVpk?= =?utf-8?B?M0RHejR2cTFWU1E1OElua2ZENmozN01OY3JCRGtBQ0x4b1ZSR254WTdwWnIx?= =?utf-8?B?WGxaL2orb2pUNjhndk9ZK2JvN0JDM0NMSWtkN09IM01LNU5XQng3cnd1QVJ2?= =?utf-8?B?WVZhZ3A0YjZxcnN2anlMcnhxaUMrUFRuNTh6T0lPN0dKcXllLzBZdkk3dUVa?= =?utf-8?B?ZHpQQld4WExXNzRTWGErMlk3SVJGYXFta0prYUx5eUV2NGZNSkViaVBrWnBq?= =?utf-8?B?aGNtbGtEdnhnRmNwYUZ4M0VLZ3NuR2dQN3VpM1pHWms3aTBDbmxQWGx0d0U2?= =?utf-8?B?NmFMN2Q0OXhjYkdCd213dGZNZkZGMEh3QWpveTZYNzl3d1BEcjBxRzZCSTEy?= =?utf-8?B?TEd2QStEazY0SHdMQzhuQUFDaDN1TGpvc0VHRkFqWFJCWVpjUkx2MG9BOFNE?= =?utf-8?B?YVFXb1hNM0E2YkpheDNnb1BseDh3MlNYbDBCU1FHaWtwUlExRllMZzczSzJD?= =?utf-8?B?QjlSZ1NFbDJpZk1WRmp4RzliWmtRN1IvSHR0STZCWUlaOXVjcGVERWdhcGsz?= =?utf-8?B?MjVlbnJPS0lqZ2t4dFZ6aEFkcVFsS1dBam4wRUJJUHZYS1RVeXU2bTRBZDM4?= =?utf-8?B?dUhYYUEvNVkwYjJBNkpkeHdWNE9oTjV6TDlFY0FjY09DTTlTZlROTC93S2Qw?= =?utf-8?B?UytKRjlzSnhqbHpMb2FUY3dqODFoZFV5cCttTzNwc1BFTmViR3dVWkpub3kr?= =?utf-8?B?Uit1OVduTHlEWjVBMHE1dFQrbEh2NzJVblF5VHRuTnZ4bDdBT1JqNWdIYW5G?= =?utf-8?B?VkFES3dsaEJ6VWJUNUZUaXhLTlJLTXhMbFc4L1k3N1lUdzU2Nm5wbTUvRFg1?= =?utf-8?B?VTVpQXRuOVJEQTVJNk5vc0gxTC9zUVBRblR4ak1hNk1YNGMzelluT3NZVXh2?= =?utf-8?B?ODlrdTFQNmFuaTdvZGYwUTg5dm9DN3I4Q0JlL1QwQlhsaFhIRGN3dmVTbUtR?= =?utf-8?B?L3VLRXNxUUFNSWdQcHpxYlFuTkdlblhEV0Z6cHZUa0xKaGpsNFdUSmlhdisr?= =?utf-8?B?ZGRwQ2NRQ3ZSRlZLVThiaERoL3B5b0prc1FRVWpKZEphcldUc243N1JWTXRP?= =?utf-8?B?bU4rYnRNQ0t6eG42ckx6RFN1dWFDSVNBQ2xldHhIWnJSbFc4YlRHM3Y5MVhi?= =?utf-8?Q?ogC0rtdy3ZFn2K3Mv2kEUWyV4adNa+Wtpp7JCp4qWn5x?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8bc38590-4b59-4eb5-14b5-08dcdef9fd2c X-MS-Exchange-CrossTenant-AuthSource: SA0PR12MB4557.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Sep 2024 13:40:45.6607 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: uULzLdBT/gGeEcBQAlq1MQfDSyA3kHeZc+9nVo7KhlkaKEMqVGYRaQIAm7N+Jvth X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB9244 Hi Reinette, On 9/26/2024 8:50 PM, Reinette Chatre wrote: > Hi Babu, > > On 9/26/24 12:16 PM, Moger, Babu wrote: >> On 9/19/24 12:31, Reinette Chatre wrote: >>> Hi Babu, >>> >>> On 9/4/24 3:21 PM, Babu Moger wrote: >>>> In mbm_cntr_assign mode, the hardware counter should be assigned to read >>>> the MBM events. >>>> >>>> Report "Unassigned" in case the user attempts to read the events without >>>> assigning the counter. >>>> >>>> Signed-off-by: Babu Moger >>>> --- >>>> v7: Moved the documentation under "mon_data". >>>> Updated the text little bit. >>>> >>>> v6: Added more explaination in the resctrl.rst >>>> Added checks to detect "Unassigned" before reading RMID. >>>> >>>> v5: New patch. >>>> --- >>>> Documentation/arch/x86/resctrl.rst | 10 ++++++++++ >>>> arch/x86/kernel/cpu/resctrl/ctrlmondata.c | 13 ++++++++++++- >>>> 2 files changed, 22 insertions(+), 1 deletion(-) >>>> >>>> diff --git a/Documentation/arch/x86/resctrl.rst b/Documentation/arch/x86/resctrl.rst >>>> index 3e9302971faf..ff5397d19704 100644 >>>> --- a/Documentation/arch/x86/resctrl.rst >>>> +++ b/Documentation/arch/x86/resctrl.rst >>>> @@ -417,6 +417,16 @@ When monitoring is enabled all MON groups will also contain: >>>> for the L3 cache they occupy). These are named "mon_sub_L3_YY" >>>> where "YY" is the node number. >>>> >>>> + The mbm_cntr_assign mode allows users to assign a hardware counter >>>> + to an RMID-event pair, enabling bandwidth monitoring for as long >>>> + as the counter remains assigned. The hardware will continue tracking >>>> + the assigned RMID until the user manually unassigns it, ensuring >>>> + that counters are not reset during this period. With a limited number >>>> + of counters, the system may run out of assignable resources. In >>>> + mbm_cntr_assign mode, MBM event counters will return "Unassigned" >>>> + if the counter is not allocated to the event when read. Users must >>>> + manually assign a counter to read the events. >>>> + >>> >>> Please consider how this text could also be relevant to soft-ABMC. >> >> It mostly applies to soft-ABMC also. Minor tweaking may be required. > > hmmm ... seems that I still have mostly the "soft-RMID" model in my head. > >> How about? >> >> "When supported the 'mbm_cntr_assign' mode allows users to assign a >> hardware counter to RMID, event pair, enabling bandwidth monitoring for as > > hmmm ... so soft-ABMC also assigns hardware counters? It does not have hardware counter. I need to change this text. > Also, we should aim for generic text that will cover how this may look on MPAM > also. Considering this, it may just mean to replace "RMID, event pair" with > "mon_hw_id, event pair"? ok. > >> long as the counter remains assigned. The hardware will continue tracking >> the assigned RMID until the user manually unassigns it, ensuring > > Please do double-check all usage of "RMID" in user facing interfaces/docs where > mon_hw_id may be more appropriate. Sure. > >> that counters are not reset during this period. With a limited number >> of counters, the system may run out of assignable counters at some point. >> In that case, MBM event counters will return "Unassigned" when the event >> when read. Users must manually assign a counter to read the events." > > "when the event when read" -> "when the event is read"? Sure. -- - Babu Moger