From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 8DB1E2DE70F for ; Thu, 3 Jul 2025 20:31:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.11 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751574690; cv=fail; b=ji4LsoDR3DCHD7sUluyuXJE8F/sVt3brEs1f3zvdnK0N1iSGXH05P6lCkjphaqI3ojK0NSd6NAkmLzPO6K4P0IwKPt1rQisKTyqsFPm+ZFG6u6hTRTbmK4e4oH8DPbXAh4+c9GjGdqK9TYIKx0BYkMCoQSJZ4E71C9CnLUO64+A= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751574690; c=relaxed/simple; bh=j8Em4JEMH5YtHfi1dV2QJ9aZU3Dbwm08DHJ+qjcz+x4=; h=Message-ID:Date:Subject:To:CC:References:From:In-Reply-To: Content-Type:MIME-Version; b=c92tjm8GDUZVpXY5kvXi9sjIcyWAWDFjSJM4I6XEDstGMna9CVuir6oEN4ikPKgeY8WyhXBT5vop33JM5gFpTBzCyrsU5bmtEfLRcxrtiRs8zpzTlvm5aANe7dcTZeljKsNk8teCfLH1sP+K0PFYk2ADmyKAqx5CV0A9VGjtz3s= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=lvhslPHB; arc=fail smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="lvhslPHB" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751574688; x=1783110688; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=j8Em4JEMH5YtHfi1dV2QJ9aZU3Dbwm08DHJ+qjcz+x4=; b=lvhslPHBs0kzwcxYQHMf3AWXWlU5K7osLGVWcYpRpqr8FjVy6K1f5zye LojVYTzeYybCI6+PlCFT0NmrhjmRs/9U9+AuOuLZ0eFQcEkMOm4uiA9Cf PW/vZDcNLmXtdssIcYkJ6LFYxYFN/MaSmIyLyoiaZcT4Ilw9VYnUu4AEq QpuqKdbZtjcDTYzRQ78fHuTuGItLfe5NoGbqfkBnwGRubXN2UwNY9MWrF WzGskOtYKaGpkN13QmgPRkkgEk/+apRbN1TP/vVpykyyzZ/LNCJQtOWxp DcfCPFxLbgmEvQFnTseEb6FPlUX+yNrMaH31kDClfUBzcIZe1Y/ukt8yZ w==; X-CSE-ConnectionGUID: kvq8uhZOSBq+lEWKwPQbbw== X-CSE-MsgGUID: t/KGwbMbQUaEcMkmgK1xkQ== X-IronPort-AV: E=McAfee;i="6800,10657,11483"; a="64160151" X-IronPort-AV: E=Sophos;i="6.16,285,1744095600"; d="scan'208";a="64160151" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 13:31:28 -0700 X-CSE-ConnectionGUID: 5+tOl4eTTdqVZr8T/wIZ6w== X-CSE-MsgGUID: egJbLdNJQEKwOCKTg+UhdA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,285,1744095600"; d="scan'208";a="185485751" Received: from orsmsx903.amr.corp.intel.com ([10.22.229.25]) by orviesa002.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 13:31:29 -0700 Received: from ORSMSX902.amr.corp.intel.com (10.22.229.24) by ORSMSX903.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25; Thu, 3 Jul 2025 13:31:27 -0700 Received: from ORSEDG901.ED.cps.intel.com (10.7.248.11) by ORSMSX902.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25 via Frontend Transport; Thu, 3 Jul 2025 13:31:27 -0700 Received: from NAM04-BN8-obe.outbound.protection.outlook.com (40.107.100.66) by edgegateway.intel.com (134.134.137.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25; Thu, 3 Jul 2025 13:31:23 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=mtfwEUq7OqXWscn7mnyX1nAe7n6eW0z9ZXoGdaN9yOtGqQkIgGPaQXwideCnyE7EG56yhs7ZHgUoxdHRMKplDQkBkAhKVEqJy84pJ/aMjF8SjBcYnycOoLNYnqlz3u8bZ3WPBGiflCL0bSdIWpIEsVmR/KfyS6D4FiYfrb7QDnUoMcdJr4IQHI1XF43j4isrrfEQXUnzxI5ODOOGLCe6U3y9Q4pC6isoBeia37SC7TIMVW2w0xxpGAxhYxXtjUfADMXYc1iubt9AAPNY1VXKHgdNKnB0AAHu/glzkqqkQYE0IlTj0pE20vit/v8FpDBhPQ75HLfuMGunnmKL5NoNbw== 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=0XN0rthNyl08R+2HD5jZpGPwaXcPM/8BV6DPqgimRZw=; b=y7gbx4c5B1BqwH3rZsWePPdeL494dUai3hM15FasG0OH37yMYO7c9ebgE10MEakjHoRUs2oP8OiXTYGs//4cYG62PTNmK2ql8VNTkwgtPLD8tKaG+FYihTxoU9IBkvp0hlwwWW3YdwlM/86uvDS5jPgpvL9de6Gp6ifEit9bL6vxQ0Gd4is0TwqAaWpXCZxZPp9VtUc1f1P43WKnYZ3MSt9/Hf+r7f4ZfMLd/2Z5ebSghEsbSYuUWG+JJOyjNd48NGH1rG/ywmVihkHE0b5ZPg/s0Fk8S2gGpdFWUlHHGGh9+ENiPuRSdbgESbIEBICEaQ7DbTQ3pUFkwaRW6yyCmg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) by CY8PR11MB7946.namprd11.prod.outlook.com (2603:10b6:930:7e::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8901.20; Thu, 3 Jul 2025 20:31:21 +0000 Received: from SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::61a:aa57:1d81:a9cf]) by SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::61a:aa57:1d81:a9cf%6]) with mapi id 15.20.8901.018; Thu, 3 Jul 2025 20:31:21 +0000 Message-ID: Date: Thu, 3 Jul 2025 13:31:19 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 17/30] x86/resctrl: Discover hardware telemetry events To: "Luck, Tony" CC: Fenghua Yu , Maciej Wieczor-Retman , Peter Newman , James Morse , Babu Moger , "Drew Fustini" , Dave Martin , "Anil Keshavamurthy" , Chen Yu , , , References: <20250626164941.106341-1-tony.luck@intel.com> <20250626164941.106341-18-tony.luck@intel.com> From: Reinette Chatre Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR03CA0080.namprd03.prod.outlook.com (2603:10b6:303:b6::25) 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_|CY8PR11MB7946:EE_ X-MS-Office365-Filtering-Correlation-Id: 30e3ddde-e9d8-4670-eaa5-08ddba709270 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?SURHU21VcWN2M0UyUk9MTHFwSVFIS0FVMU1RVGlxbzBtY0ozRS9leHNheko4?= =?utf-8?B?YytvaHZWdUx3QjFFMVRiSklncnRZcUdYR3VNMUlqeUdmQ1FqSlVBaDRIN0lZ?= =?utf-8?B?WG13RE90RnRYdStqemZ4Rjh5L2FDdVNzbitobjNiRWwwR1BCdzVvT1dieTBJ?= =?utf-8?B?YnQzei9DYytkTXR0am9VOFkxazExUFdBNmo0OXpid25xWVhGUXFjOXFiejRx?= =?utf-8?B?dUx2bi9XSWQrTzA2bmpwWFpaV3BRWEJqY1RjNXFMd0h1dFM4azVGelVoMm5s?= =?utf-8?B?M1IvQnliS2RLQzF3YjhiMExJQlNRMGV3MW54ejgxTFJFZjFjVnJ2dWRxQ2Ro?= =?utf-8?B?T1F4REpvZlprL1AreXkvQUpBTnVnYU1jdWJTRGJ5ZjdXOUpmQmlLTVEzU0dp?= =?utf-8?B?bmEyaEVqcDl5K2dENTJLWDk2RGJ0NllsbjUrNHZFbkdSVTg2L3hPK05Wa1JD?= =?utf-8?B?WGJYTG5OMlV6eWFhQjZvYkFiZTJXeFg2RFppZVIxdzNJRmtHZ05STHBQeUs5?= =?utf-8?B?elRwdWxsZElPUXhSd0UrbTlXNU9sVUtsM00vWU1OUFZsd0E1cjdJbHQ4bytB?= =?utf-8?B?NTdjblpLai9sckRmVWMreFdxL01OYlovSTlSTUhZNFBGdGpLWjR0Rk5nRS9h?= =?utf-8?B?aVN2Myt2Vkw5ZkVidHEyTDlzeFFwZnBtL1NMd25reWQwdkRyMjFVdWRSaC9V?= =?utf-8?B?d0ZWamlBbkhITHVTbG9IcFBobDRNRmFWTVozOHZVd1pvcUs2RFFBZE92NXhH?= =?utf-8?B?ekRBNWljU0pjU1VLWWdxQkNZSVJ1c2dYVG0renRoSUpIamZERG1Ublh2U3BF?= =?utf-8?B?VHFJSWZSUzNZTHkzdHJQeERwMjM5SGpaWW1FcTJrdmsrTUVSU2g3cmx1emRT?= =?utf-8?B?SktqQmhsOEVrRmtRT0lHYUhJMDVqcWVDU2QxZDVrMXk2S0R6b1B5VkNDTTU5?= =?utf-8?B?WHhPR1dPcjNxZHVyaDdFL1dmbytMa1FaY1ZnS2FBMW5melZjTmhUTVZjMU5l?= =?utf-8?B?MnVrWEZiNlc0NUNZZGx6OGNDMVh0djY3ZmRsMzBJMjRXTTF0RUd4SjdtV1ZV?= =?utf-8?B?NE9yRjBleGZ4QWJVL1RvaXZadldSc3F0TFovNVA0VDFmbkkyS0dsMDhsejdt?= =?utf-8?B?UzMxZk02L2YyWjFtU2N4SDVUSHh4bXZ4MVpxaTcyUTE3bHIvckd1R2U0Znpl?= =?utf-8?B?bXY0ZCszaU94Wk9tTnY0aVo2d3ZOUHM4a2RRdlhpSnZFV2lQVXZhS1lIUTFK?= =?utf-8?B?dlpHQnF0VEswVFFLL0xDUjZzSUhDWmxsUC94QWVTekZIRHY4VmtweWhsbld1?= =?utf-8?B?WkhVSEhxaHZDZWN3bDJzWG9RbFIxZEt2bTVGN0NnL3BEbXFLNGJwTjlpaWJB?= =?utf-8?B?QVd3RDY2K0QybnJZUEcrNy9pR0pVQVkyblBQUTJTeWlwNVZ1cUlmaWhzLy9Y?= =?utf-8?B?R1U1QU9Ea2Rra01nNWttNVJOMk9WVUxLbHR5MlIwT2FJbjVOTnhXWnZIS0Ux?= =?utf-8?B?Q0F5MlVsQzJ6Rm13TjJQUmJybjhKM1hVMExhaGlhME8yQi91MVdNMFRnd0Nt?= =?utf-8?B?eVhEemtpUXdQUW9UbDhlb0RMM3dRRVFOZFBRTEtuU3dHVHVLMzlsNE5ORjFW?= =?utf-8?B?SitXQ3ZpMVpCVnBsb2xJVW81MGUwY0R2V2xSbG0xRDJldHQ1Qzl1NG9SbExj?= =?utf-8?B?TU9WRDNhb1RtaWovOS9WWTFVRVBsOVpPZ1RzVzJ3M2JYQ2lKZDBkRmxIM0pu?= =?utf-8?B?TmppRk1wTjFIaWRMaVdKVnhxTDBGUXhRNlB6OXkrbVlQYzJ2MGYrbnRzbjF0?= =?utf-8?B?bENSZEovMk5EcWQvUVdtTjJTbGpmMSszakJSMm5Bbk9rSkZhelo1TmU2UE5P?= =?utf-8?B?OFhMV1RqNnRYVm44Wm10QXVkZVJSR0Vhc00zbmhHWDdrcklJTmUwM0ZlV0p1?= =?utf-8?Q?cPWvAiF9BjI=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ2PR11MB7573.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?LzNpVWVCbUM4N0VQNHJaVDArdnZLM2psY044T1NIZ1YzbzhTTmRDWnFTNWRT?= =?utf-8?B?ZEJJVDRTbnpueDNRREE2UlFHUmlPbXdBeFppT3l2SjRNUnVPWkRxeUJZZGlW?= =?utf-8?B?OG5vUXdMUG4ydjl0ZllNMm9YeVY2eGxsckV5M01OK2hhaDVQSEJLUG5rTHNX?= =?utf-8?B?RWl1bEkyRnB5Z2s0L3JWUjk5eXJPSEp2TTZYVm9yNXFVbCtLWjFGc2xEMHVz?= =?utf-8?B?SU5HWHV5bVhmK2hxTXhhWmQxTUg1bGFMK1czWUNjbE1wTktGQTdkUzhFRzk1?= =?utf-8?B?OG0rRlhXQjZlZU1KMzIrcFZzeGF2bUVkNE1GY2JsV1lwbFB6NHNwN2EyQWJG?= =?utf-8?B?NVF6Z1d1cTB1anB1Z05UdWcxbUZHdDZPZE9GTkN3VHpwWXl6K096bWdXTW9p?= =?utf-8?B?dVEyUEl5aWgzY2JBVVpacVphZjZicm9PMFNRUGdUMlZsZXRDM01WQ1lMWEpj?= =?utf-8?B?emhES240M2J4Wi9oYjRjV1NDMnhnOUxMeVdlUHk5c3NNblEyenN2VjJ1RXZC?= =?utf-8?B?RFMyRWMzblZESG40SHF5TnRrR0xNeEJCTVlPNDhPUE43WnY5TmlzZkVVOVEv?= =?utf-8?B?eHVuUHVaeHZpZEVuU1V3UGVJNEFqdFV6N3RqZm43OEhXeUcrM1VydU9IQ3dR?= =?utf-8?B?cGZ3YU0yRWNpU3REWlJDL0Nobm9odG9BblM4RVAzZSsyUzNLWk5McHkzOEdO?= =?utf-8?B?Sk9zekwweHZXYTNMbVJWS2RyaE5McmtDYVczNVVmOFZqR1hCN09hK29NTUM1?= =?utf-8?B?QmJlT0xESHZYc3JydytqQmZFbU81OUZWTjBCY0c4Z01HQ3dPcmRWNUVKTTJp?= =?utf-8?B?aWw5K2FBNzRGSlo0WmtNNkVqb2N2WDRYc2VWbUx3L3IwOVJGbHhqb2IzQisw?= =?utf-8?B?SVdlc09tbEZTaDNnL3AvYnhCTjV4MEFWQmhoRHJHN2QrM0RNUXM0eXhtZ1p4?= =?utf-8?B?djdnMlUyVDgvRUFlMU1SQUYrdTRLcUR2aWtxcWJzTVRtVnE3b2pNZ25vVVB2?= =?utf-8?B?TlQvTDlZK1phOS9rNVBESCtFRmFtc3JRVHUrUGgxSk1hdXZVdkpLZ0VQSTZD?= =?utf-8?B?K3B2L1NjOGplWXI4R2hKY2IycDdxdGhqREwyMS8rV2p4dGxTMjZMQ2FWRFZq?= =?utf-8?B?MWhrRUZSOHd6bWVxMFkwYld0amx3eXBaOFdhend0YUlSbFNKUS80UTA1RXBY?= =?utf-8?B?Q0xWNFdCQWFVbFd4Tkh4clpCcWVFcDdZdlZJcW5YK242amNSMmNCL3E5RG1s?= =?utf-8?B?d3Y3SU9zZ0VLSmRYREpsODB1R3Z4OTBkVzBKR3B4K3BjUEdUWGh4QndTNDBj?= =?utf-8?B?Ymo1eTJJbCtzN2dSdmo4dG9jZWQvYWJEUWhSaTR4dkdoQ2tFUlBDNFZjdklD?= =?utf-8?B?RmdIckhHUmVpdjZGVllkWEJDN0cyalBjMmRTdGtwa1c3dC9NaGt5WU8zYjVl?= =?utf-8?B?WnVlUENiVnBwTHhHUFk1TkJ0Z2F3QXJrMlNvR3lVY0lDQ0FDYWJESC9KK2xu?= =?utf-8?B?MXFIc2ZRQURxd29iS0VIVitteDVYTWFSWU4wUXM3WGhXQXF6L3Q0ZTZ0U1lv?= =?utf-8?B?V2JrOEhiajFaUll4VzdhNGdraUV6WVRLeHdzTjRtL1UxeUpJdG5CbWJydVdm?= =?utf-8?B?d1MxUXl2Ynl6VytOcW03OTAvOHovVDlqQ3J2dnBRNjR1c3UrTDQrdk9RMFIz?= =?utf-8?B?dmFlS3hxTHNYK2hhenZGMVdnUXRwbU9wOTRIdHpUdnhRNzBMZWFob2ZkM1g0?= =?utf-8?B?NWNHdytzWnFDUTg3VElWQS9LNDRrQkVFWitLUGhvNXNNeVJGV0t1a2l5UldJ?= =?utf-8?B?emUySElGWHlvSno4cXQwL1dJcDNwZzV2MVN3cGl2bjRZTkc5OFY0cVF6YW1Y?= =?utf-8?B?cWxWenQwZ1UxNzhuRVVsRzNyd1UwcXRwcXJjQVcwR05QdFFVZS9SUi85dFRE?= =?utf-8?B?TnNGZS8va1MwWEgvaWtYT084UkY0VEx2aXdoZXJ3ajEyL1FDYjZXOXB0Nkpo?= =?utf-8?B?OHlMSlJ1MGtTUzdINXAvLzRHSjJSZ1pjSjFyK25VNlZwSjQ0VnM2ZXU0ejRy?= =?utf-8?B?QXZRWnk0ajQyT3NvVklSbU1DcjJ4T0h0N3N5QURMcWY5eXhsbXVOQXQxc1J2?= =?utf-8?B?VmFkclFzY2o0T2t5eFNuT21JSXV2NjQ2UEpqbm00eGFBV1dTVnlSeVJHdzZt?= =?utf-8?B?dUE9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: 30e3ddde-e9d8-4670-eaa5-08ddba709270 X-MS-Exchange-CrossTenant-AuthSource: SJ2PR11MB7573.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jul 2025 20:31:21.4720 (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: dJrE/dB+G1fMVOd/N3dmNJ0R/773NCAH1Jd7JWcTwnMRegOqH4EVw9jpH6ikFQJE/8PGvxm8XyaGTCugdeO5OiEnJw9M+cycvTRxs2epP40= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR11MB7946 X-OriginatorOrg: intel.com Hi Tony, On 7/3/25 1:17 PM, Luck, Tony wrote: > On Thu, Jul 03, 2025 at 11:27:19AM -0700, Reinette Chatre wrote: >> On 6/27/25 11:06 AM, Luck, Tony wrote: >>> On Thu, Jun 26, 2025 at 09:49:26AM -0700, Tony Luck wrote: >>>> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig >>>> index 71019b3b54ea..8eb68d2230be 100644 >>>> --- a/arch/x86/Kconfig >>>> +++ b/arch/x86/Kconfig >>>> @@ -512,6 +512,9 @@ config X86_CPU_RESCTRL >>>> select ARCH_HAS_CPU_RESCTRL >>>> select RESCTRL_FS >>>> select RESCTRL_FS_PSEUDO_LOCK >>>> + select X86_PLATFORM_DEVICES >>>> + select INTEL_VSEC >>>> + select INTEL_PMT_TELEMETRY >>>> help >>>> Enable x86 CPU resource control support. >>>> >>> >>> The list of dependencies to "select" keeps growing. "lkp" >>> just told me that "INTEL_VSEC" depends on "PCI". >>> >>> An alternative approach is to just add: >>> >>> depends on INTEL_PMT_DISCOVERY=y >>> >>> instead of all the extra "select" lines. >>> >>> Pro: This describes exactly what is needed. The INTEL_PMT_DISCOVERY >>> driver must be built-in to the kernel so that resctrl can enumerate the >>> telemetry features. >> >> How will this behave on AMD systems? > > The call to intel_pmt_get_regions_by_feature() in the INTEL_PMT_DISCOVERY > driver will return that there are no telemetry events. > > If it is a problem to force resctrl users building AMD only kernels > to load the INTEL_PMT_DISCOVERY in order to use resctrl, then I can > look at providing stubs for the entry points in intel_aet.c and > create a new CONFIG option to allow resctrl to be built without > Intel telemetry support. I do not think resctrl should enforce dependency on a driver that is not valid for a platform. Reinette