From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (mail-dm6nam12on2079.outbound.protection.outlook.com [40.107.243.79]) (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 1F0E82DEA9F; Tue, 8 Jul 2025 13:27:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.243.79 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751981248; cv=fail; b=UuPbuXdVwpGatcI8ZCTAMDNtqyXhibVs/+qa/ABDJSKvx/v3Q1DCKId8jV7RBSpe9PEXftLpgBiIzIeMaatawFygsmBke2S0C+SjXvIiiS9p15f0u02aWp3P6mbhhCxHaJWylV4uNnL0RU/uJ2FfJ/NR+6KrodAAKqQxmxdeWsw= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751981248; c=relaxed/simple; bh=LQnmmFDY/6+DHYJSf+8/bE4zNGsv5G9vWu/GbrA9WEQ=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=sjp3gjO2pG8h786XsI4tkhkdOHrnro/ZWXfpUIvJJOzSdkMudbl8luA8H5pl/GQtocNs2MauDq4K1cl4wqJoxImOsnNH0p/fYnwwIs+SEr+MllyF0xCVINll4zrQvbrjYLWHx/0m40u22azJgIFmPjirge44mNSPyZfsrF6JoXg= 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=zQ3qeDqd; arc=fail smtp.client-ip=40.107.243.79 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="zQ3qeDqd" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=xVcb3eTiZ6mfeWIw9h4dmj3pIiHnqclLil6A2Snow8+kucqqY2gXqIEPa9/lREM7sy1pY0OZc8eWgoCcnMGKcr+gw90/avv0WbmY3XBXamP+AAByNxzgWff4V+2tQTFZylhAYU+Td2EPQtzuLc1wpRu01iGm3PlMR8uiEXZMfVzUbtYAZOubHLEPdPYJDOJPzmJ4NPVqUkBT6WeVnwQqUrtAEVXLgwtiWJukOecB/iu2dvc+uLl4SOK1yayaVD7gLb9+Bns2RBXpJeV6F/F4ZuylRGFUW37siCMu6FcCOTvvTndIVQBOxmezNa7f7EM9Qu21psFIENU2tN/GzT6GWg== 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=wS06i6YRs52EPZjJtepzCW7CNBXH79i6z+IshYqWfy0=; b=SwaDdGSy+vGflhn2Av9pLjiqSXqXKq0amYZ5Yi5qqBIUxncI5eUhNqhMLq0nXX6O798hcqfeQChhUYavCdvqwxWPoPuawGIPB61HjlOecaCY5Rl1UVzuRDYDi59VzWNeBKh8jcicdHfpf8rvXrg6+8K8GgzEWW6IrO7oKzAGuzvJ4r3C8c6FaOmxJFweeTWLJWIFwIYNtP7PgetFDnrJ+QMVbSeRnnF5ZqgtKZCj9zcotezaAspNfDwx2WoizkM2IYtf09a2DVC2EWOmHtNL2rL/G6u9uOfw5CU4gVrWHStHKnx2c/sr7S2cbb8DlLy1iY5RAhP3jJrshCLoMi1K5w== 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=wS06i6YRs52EPZjJtepzCW7CNBXH79i6z+IshYqWfy0=; b=zQ3qeDqdmQqetK3rOLhXswpgPWPcDucmLYN5NB2rkGhx9rReCW9P+Mr7dw97SpcJK5cqaGT4njiACEm2PriGEqKFSU+dlqX58pyFfc4LulbA8qbU00/OdrvkP2XXcEeIaupgKS2qI4RifUX2yLbSdLxvv0wo703V+J1u+sCaeNU= 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 SN7PR12MB6932.namprd12.prod.outlook.com (2603:10b6:806:260::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8901.26; Tue, 8 Jul 2025 13:27:24 +0000 Received: from SA0PR12MB4557.namprd12.prod.outlook.com ([fe80::d22d:666e:be69:117f]) by SA0PR12MB4557.namprd12.prod.outlook.com ([fe80::d22d:666e:be69:117f%3]) with mapi id 15.20.8901.024; Tue, 8 Jul 2025 13:27:23 +0000 Message-ID: <2b49620c-f2b0-4994-8617-e436725d0cf6@amd.com> Date: Tue, 8 Jul 2025 08:27:20 -0500 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v14 30/32] fs/resctrl: Hide the BMEC related files when mbm_event mode is enabled To: babu.moger@amd.com, Reinette Chatre , corbet@lwn.net, tony.luck@intel.com, Dave.Martin@arm.com, james.morse@arm.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com Cc: x86@kernel.org, hpa@zytor.com, akpm@linux-foundation.org, rostedt@goodmis.org, paulmck@kernel.org, thuth@redhat.com, ardb@kernel.org, gregkh@linuxfoundation.org, seanjc@google.com, thomas.lendacky@amd.com, pawan.kumar.gupta@linux.intel.com, manali.shukla@amd.com, perry.yuan@amd.com, kai.huang@intel.com, peterz@infradead.org, xiaoyao.li@intel.com, kan.liang@linux.intel.com, mario.limonciello@amd.com, xin3.li@intel.com, gautham.shenoy@amd.com, xin@zytor.com, chang.seok.bae@intel.com, fenghuay@nvidia.com, peternewman@google.com, maciej.wieczor-retman@intel.com, eranian@google.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org References: <4769751d1de7c4f66b1c7f3c5ea7eeeb49951363.1749848715.git.babu.moger@amd.com> <3c753f3c-e91b-4cfe-983d-efe8ff07b750@intel.com> <471975cf-1094-42dd-a965-f536cf399d0a@amd.com> Content-Language: en-US From: "Moger, Babu" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SN7PR04CA0154.namprd04.prod.outlook.com (2603:10b6:806:125::9) 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_|SN7PR12MB6932:EE_ X-MS-Office365-Filtering-Correlation-Id: bafeb00d-5b41-4ecf-dcf4-08ddbe232c7d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|7416014|1800799024|921020; X-Microsoft-Antispam-Message-Info: =?utf-8?B?NFpWM3Bma1UxOFJ4VXNqbVo3cjFVRHMwRC82eHgzQW4zWFlaZVEyMElkT09w?= =?utf-8?B?ZnVyK2RjTWlwQzlHSzFieXMrWEVDUTNnY2E5cUdrbzh2d1phNmhkc0tDNmdt?= =?utf-8?B?bERhZ28rN042anVWUi9aNHM1eVBsbmFRQ0Nmb1k2NXNmRUJpZFdFL2RpQklr?= =?utf-8?B?QUxHMVEveWJiZHVvT0x6M1ZvZjNITnYvTnBMSnhPaXNZbTAxMDlBZDNrS3pO?= =?utf-8?B?QngwSmRnTUk3WlNaRlFhUitOTHk5OTJCQnJJV1F3Q1FDTW1PY1B5dTk5Y3Rn?= =?utf-8?B?M1AyUmduNXF4b2xZUVZOMlhRV1U5WXpMMld6Y3FsY2Z3L3VhZnR6Tm9RZ25Y?= =?utf-8?B?QzZvWXZwUHZPQUdkOFMrMDZ0SkpMU2Y3Z2c4SmVFTjZUTjREZ0hMWDlES2ds?= =?utf-8?B?bUx2NEhjbUI5U1QybVF5b2d6aGh4dG9YbkNBeE5CZXAzWXpXb3MydlVhQTgr?= =?utf-8?B?OHJsUkp5ek5PK2NBbWtNRFliVEpZSkZVUW4vbFRpRk5nZTVCNDdscENMTnRw?= =?utf-8?B?QlIrQXpVRnA5WTB4NDNpZzRBYm5Ra3dWWnkxMFdyZ2kveVQxVlNiYzBPQlRj?= =?utf-8?B?ZzVFT3V0YVA5Vk1WV3VGTVBrMmx4eUZTNytHcGRiSyt0L0tpZWlUSlRWNUZJ?= =?utf-8?B?VENScjB0MEU4N2xMdEdkVWluVVZwVkN5RmI0NU0xVnBBaEVrVkhTbzI0dTFY?= =?utf-8?B?NEpaR3FtMkFLU3RDSThubzFqOTVoNVlRUFdRSE1wa3J5WHJxM1lVV1RtaWVu?= =?utf-8?B?UjNnYjRLWW9Na0k1RVdLd0hDeUVhQmpPMU5pNHVwVHBWYzVud2ovMDhpbFkx?= =?utf-8?B?L3Y5ZGVneWg3dVhmVVU1UWYzSnlDcDA2OFlMalBjOC9FMmJrdEFHUTlJclFh?= =?utf-8?B?YUN1Z0t2Q2xKWitKejNvQUhIb0sxeEFGV2NGOUlXZkMzV1dYN2ZaSmYxbDNC?= =?utf-8?B?YTVjNjY3VDNVdmhUOFFkZktsTlY5OVlBWVhHVVl5aEZ4WU05ckJHUXl4eXlt?= =?utf-8?B?TEgvSDR2VGlmZkQxcU9kUVU3bjY4YzJ1eFRKWXhaazJaNnBsS1pmZjlsbDVz?= =?utf-8?B?RGJlaEZxUUlXeTNObGdsRTFiWklOL3NQdEhRV3QwQi9JbExyTll1Q2VZSGZh?= =?utf-8?B?UzhVckpJaDRxZGFZWWZHQ2QwNHBIbUtoVUtweUhrUWQ2Q2lNRjlSKzhsWDFX?= =?utf-8?B?TjFDS0VuM25vbnA1UExhNlRVYm5TMEJqRWpjMWlyaWYvR0NYQUNDcm83TW02?= =?utf-8?B?cFE0eFJOd2hTalpXdlorUWxCaytkTWFzRGx5RHQwdHJxdk54SzRLWXpWQVp1?= =?utf-8?B?dkdIVVF0ZUdDb3QzQlpoQnQyZWxPeGpvZzhsYXhNSmRqNGs1QkthVFdOZkw1?= =?utf-8?B?N215WVEvbGo0QVM3bTNRZzlKY1UzcUZROTdFcWo3amJaSXJ2R21leHRtTWEv?= =?utf-8?B?UUVOdVo4TzN5Wng1MW9MYXB5RDFnRTY0MnZKQ3ArYWhpcWZERlYrQjhIM0ps?= =?utf-8?B?MUxiNmxueUxTQXR1MUpCdkFsd0NscnN4QkR0R2oydEplY21TbDlNS29TV3Vk?= =?utf-8?B?U1Z3S3BrbFVaMXZTTUl0ZWsvUG01Z3ZxVEx5TFlPZHNYaTlBNzFxQ3NtSFdI?= =?utf-8?B?SE0wcnZ4aWllbksrOENCU2l4c2FFYTJnRC9TK2RYcU12QmNodmg2bzhpUG85?= =?utf-8?B?VTZNb0d4NzB3bnVuUmw2YlI0UnpyWmY4Z2JwYVlHWEZuRDU1RFhKbDRIVFBB?= =?utf-8?B?TDJ4OFcyb1FIVGRBS3JvbTVXSU5UV2dQS3BoQ3dCOVV3bGVaeVFWVmM4MW9y?= =?utf-8?B?aWdmUHFLbVMwWWxLYzBtdXk2M0hzRlR4WW4xd0t0a21wZ0djbkhCS3cyYWxY?= =?utf-8?B?U0pCaFZaaWhEL2RTdzF0TjdIWUk2MWJvRW5UcVo2eVMrVEFXZnF2MGFpRHR1?= =?utf-8?B?SGN5Q1VlRFIvdUdyaFB1WUJWRS9XM1ZsbXhaSEc2L1RnaDd0anNJVTdQTTBX?= =?utf-8?B?cEw0cXVSRHZ3PT0=?= 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)(366016)(376014)(7416014)(1800799024)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?ZWFnK1hZeHpZbmsrTUJHcWRuL2ExUW4yd2NWNVQxa3R0WCtCMDJyMGhXTEJM?= =?utf-8?B?T3UvajFady9MUjQ1RjhoVUtaakQxVVI1MkQwQ3Zib0dHSEIyYzUzNWZ1MGpt?= =?utf-8?B?WDArMGtpRERzN1Bya0RlZS90dWJwVEZjZDZNSlZrSmVKeFN6b1h6SjAraDdZ?= =?utf-8?B?TDN0cE55T0dlaEZkVms2WkFQVjNmSFdoNlZQdnppb1pEMERHMjJKdkJnR2h4?= =?utf-8?B?SlQ4NWN3OUU2aDdBU2Q5enhkSnd4cHd2aUNZWWRLVzJhK1NyL2pNeDMxcUZz?= =?utf-8?B?UHluZWRnZjhESElXbmcxampxc2dPT3FsazdJYkcvUmFTODlScjBVU283cUpP?= =?utf-8?B?TThtNEFhQldIb3MvUmtLU0JvS2ZwSENQOXE1N1Z4bzNsb0JjMXI3RTRqcXZh?= =?utf-8?B?eDhXMFRkb2xDSHVSRnpuNjVQUVphVXRad0RDVTg0VGdRRW5QUmVuUjN3ajI0?= =?utf-8?B?RHBWZ3dSbkV0QkxERzFkUjB0LytZNG1GYkFOS3FvQ2JLRFI2My94WlQzaC95?= =?utf-8?B?aVNadDZ4QW83K1I2akdzbkUzeHpvbStIRnZLZzJ0ekJ4UFpad3FIWjA4amVp?= =?utf-8?B?NWlFUDVpOVBZZ0FuaUREU0FHY2JRWjhsTUpIVTBPMzdSWi8rNUNkYVBpUHpD?= =?utf-8?B?UWN0Ym1mMmV2SllsT25yVC8rYnFsTG9hbGpHZHBLby9tb3E2S2RlQnFNYVZs?= =?utf-8?B?WmpzQXA0aCtIa3hUcUpBbktITXJrUDhUNVdFSktOSi9FQitseVZrVi9vUmR3?= =?utf-8?B?NGNQZnpKWXl3WXNhNnBhR2MxQUxSV2hRdVdpV1V2elpZWnNqb3JuYWZuYlhq?= =?utf-8?B?OVZHWXpjeTR1N0lTTjVmY0JRZXFDMitRZW4yRUlPRXVhOWVqVTVPSjlXTERm?= =?utf-8?B?QnA0aDNBZGhmNDlzRmRQOGtuMUxWWGlLVzJOaGxYeElwWmRmOVNEZ3ZVTUUr?= =?utf-8?B?a2RMeFZ1d3FDS0xsZVc1L0pUSy9MSnl2NVdTaTdCUDhLWlhBYzg0UGUwcWd5?= =?utf-8?B?bjIxbnJpUVNIVHNPYmJ2dW1HandFZmFVdWJ1NU05K1NvaHhralpwYXNLSCt5?= =?utf-8?B?dHhSSTBkQTVnRXYzcW9XaG95TjF2VUorSjFUK3dHbndOK08ydU9Yb1RVd2Z1?= =?utf-8?B?YlN2aDl1VUp2Rm1KMmZwdzZqbi9wK1c4YXVUMjV1U2ZFcVYzUUJGNlRCZjF4?= =?utf-8?B?RXpLKzlieU11MTlnMEMxc0tHUm5RSWJFVkNxSUNpaE9MSVI2OFpOdUZNVUFJ?= =?utf-8?B?YWpQOEt4b1E2VFcyK2JkWW1uTFVHN1NDclFDVjEyTy9JK0tYUjJhTVhXZy9z?= =?utf-8?B?ZlZnM0J3MjVaRGtiODdOYjFCYmpqYzdYbkF0SG83dE9iQlRPSTFjMXF4V2ZW?= =?utf-8?B?K3lheEg0NUxRK0pxWFZvRDg4c3VoYXNQVDVOdnB5NnRzUTlCK3dQMlgxVWlY?= =?utf-8?B?T0VBN2g5K041UTRrZVVqa3B0UVI0alVpWURBMXJCek9UeW4xOTdtV0Zyb2JX?= =?utf-8?B?T1N6T3BaQ1NONUozc0N6MkJEaEU1K1Vscm5XdHRsSWpoT2FVRUVJbTRxd0R6?= =?utf-8?B?UU5lSW03KzB4dmp2ZGhnOGt4eFd5Rk1XOHlkcmtHeDRGd3ZDSHFyblBIY1pR?= =?utf-8?B?aVFGQUFac2p1RTlaZ3lBakdpbEwwTnpTbEJFWDNNczFvYkdHbFhKdFJTbjVx?= =?utf-8?B?K3VObHNVaFI4NWczREh5bG94bklQejh6NlY5V2xGNGoyWmJaU0pQdUo2UUll?= =?utf-8?B?Nmc1ZmJZWUhnbnE5SkpZR08vbkxsdUw0ajRxeUVSMC9aNFVNYXhrekM3WGpq?= =?utf-8?B?WkdaTzJDRElrSUJraVhRTkRBUzJIN2tobFFoSHUwaEFxKytidDN1Qlc3Nnlt?= =?utf-8?B?TWdSUHVhdHM4SmM1TW9tQ3RZbnNhOHdmVjNYbk5ENUVvdjBZRzNvSXJRTnQ0?= =?utf-8?B?VkVmYVZvblhBMWtGd0JuVkJGVWJVTEVSMC9BYkpXUG1KdXA4ZmFOVnR4MkF2?= =?utf-8?B?NWpuMmx3dFdpQVlnRVhTT2hsUm1sL0NHYWJRZ2pNZ2FORXhqd24wTWViTjF2?= =?utf-8?B?TFN6b2kxYkYxWTZJNlFhV1pHT1hndk1FbzdZNmlrT254azdTSDIzVjdRRlVp?= =?utf-8?Q?0Dv8=3D?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: bafeb00d-5b41-4ecf-dcf4-08ddbe232c7d X-MS-Exchange-CrossTenant-AuthSource: SA0PR12MB4557.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jul 2025 13:27:23.7976 (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: ZTItk0BFfRVU92y27VvQH93Pnewj0JrWAtyfaxaMPFMxgdBetLu9DctsLBXiXZZL X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB6932 Hi Reinette, On 7/7/2025 5:35 PM, Moger, Babu wrote: > Hi Reinette, > > > On 7/3/25 11:21, Reinette Chatre wrote: >> Hi Babu, >> >> On 7/2/25 12:04 PM, Moger, Babu wrote: >>> Hi Reinette, >>> >>> On 7/2/25 12:21, Reinette Chatre wrote: >>>> Hi Babu, >>>> >>>> On 7/2/25 9:42 AM, Moger, Babu wrote: >>>>> On 6/25/25 18:39, Reinette Chatre wrote: >>>>>> Hi Babu, >>>>>> >>>>>> On 6/13/25 2:05 PM, Babu Moger wrote: >>>>>>> BMEC (Bandwidth Monitoring Event Configuration) and mbm_event mode do not >>>>>>> work simultaneously. >>>>>> >>>>>> Could you please elaborate why they do not work simultaneously? >>>>> >>>>> Changed the changelog. >>>>> >>>>> When mbm_event counter assignment mode is enabled, events are configured >>>>> through the "event_filter" files under >>>>> /sys/fs/resctrl/info/L3_MON/event_configs/. >>>>> >>>>> The default monitoring mode and with BMEC (Bandwidth Monitoring Event >>>>> Configuration) support, events are configured using the files >>>>> mbm_total_bytes_config or mbm_local_bytes_config in >>>>> /sys/fs/resctrl/info/L3_MON/. >>>> >>>> A reasonable question here may be why not just keep using the existing >>>> (BMEC supporting) event configuration files for event configuration? Why >>>> are new event configuration files needed? >>> >>> New interface that enables users to read and write memory transaction >>> events using human-readable strings, simplifying configuration and >>> improving usability. >> >> I find the "simplifying configuration and improving usability" a bit vague >> for a changelog. The cover letter already claims that ABMC and BMEC are >> incompatible and links to some email discussions. I think it will be helpful >> to summarize here why ABMC and BMEC are considered incompatible and then use >> that as motivation to hide BMEC. The motivation in this changelog is to >> "avoid confusion" but the motivation is stronger than that. >> > > Changed the changelog. How does this look? > > "The default monitoring mode and with BMEC (Bandwidth Monitoring Event > Configuration) support, events are configured using the files > mbm_total_bytes_config or mbm_local_bytes_config in > /sys/fs/resctrl/info/L3_MON/. > > When the mbm_event counter assignment mode is enabled, event configuration > is handled via the event_filter files under > /sys/fs/resctrl/info/L3_MON/event_configs/. This mode allows users to read > and write memory transaction events using human-readable strings, making > the interface easier to use and more intuitive. Going forward, this > mechanism can support assigning multiple counters to RMID, event pairs and > may be extended to allow flexible, user-defined event names. > > Given these changes, hide the BMEC-related files when the mbm_event > counter assignment mode is enabled. Also, update the mon_features display > accordingly." > Here is another update. fs/resctrl: Hide the BMEC related files when mbm_event mode is enabled The default monitoring mode and with BMEC (Bandwidth Monitoring Event Configuration) support, events are configured using the files mbm_total_bytes_config or mbm_local_bytes_config in /sys/fs/resctrl/info/L3_MON/. When the mbm_event counter assignment mode is enabled, event configuration is handled via the event_filter files under /sys/fs/resctrl/info/L3_MON/event_configs/. This mode enables users to configure memory transaction events using human-readable strings, providing a more intuitive and user-friendly interface. In the future, this mechanism could be extended to support assigning multiple counters to RMID-event pairs, as well as customizable, user-defined event names. Also, the presence of BMEC-related configuration files may cause confusion when the mbm_event counter assignment mode is enabled. To address this, these files are now hidden when the mode is active. Additionally, the mon_features display has been updated to reflect this change.