From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F2E5C433F5 for ; Wed, 20 Oct 2021 20:08:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A2F5610E7 for ; Wed, 20 Oct 2021 20:08:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231671AbhJTULC (ORCPT ); Wed, 20 Oct 2021 16:11:02 -0400 Received: from mail-co1nam11on2081.outbound.protection.outlook.com ([40.107.220.81]:17825 "EHLO NAM11-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231143AbhJTULB (ORCPT ); Wed, 20 Oct 2021 16:11:01 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=MlL8r71Cjw793bUl3MBRMDWUl7Jkx1ezycyDgDGKqcM8eo4FAQyqy2XT+S5fmy2rtE0MmWvyv5s+s1DPgIRKLhHo9wXPbhOye29Kzc8vgVzS3Rkaus5f8uzjN5rDsrabWsqUkuOmcudPGWEIxuAxbOaHKoxP9Kc/plQ1zGlV0yOsTaH/SGU1l8SCTS1ifWTOtVCcXM50gtz1fuRu3qtukT4TPUzYsNGgeaICYie4i9xzg2o9wOEsd/d+E3amAVI8I75DKsK3cSG8mbppK1OY2edgRX9SZedq1TkprdhP5J/xLiZZXmiQgP/nhsU4z21g15bSxrk9ySReoryoSer6oA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=c95CBWEShlbXdz5ppBt5MFQyUryWjzloc4hRnTxb2no=; b=ZCg5HScoi97bAzwns88kFdy8hfuDkqphtUdxKt6JeTLGgLHIwAPm8LzN6jlPiUjqmrMKAVM49oQTm4PlaztnoPVQSjrMbzN4fiNQ+D0EE6UnLqn6YusjmLNduk+i4CEVb43YLkGqi4eL8XeBGK+/eyWB5XLlTeBBeJJcP028IWODIOHu63OAiF6ocW7B5Jf2FLrBHnJ0SvOCJAfCJraGIUn2aQsquds7ZDCjz2YbDA2sJ2d4dD3USfBmqv7S60vOal4CKIQM4XpQugnqpFw9hDodDNKj53v2Q9im3GSP5y1k0Ndb9wRrKb2xDf3aWI+1t/ifbDyV66/NQOz2+wy0tw== 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=c95CBWEShlbXdz5ppBt5MFQyUryWjzloc4hRnTxb2no=; b=Uw5d3y3/BWjDr9fn0ZS5pzxXJUwWdrFOD1L2Ijeh93NYZGDN8ixQTueNKFwRX9vVBIsVHHf5eiL/Sn5RSdOqwVShrlMALcKDepWpOpVJMGh81aGruun4eEfgZpxcZ5s+FeQWaC6GWfCEVOIHjaUUPABxg9HM4kZklyfCGcYubK0= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=amd.com; Received: from DM4PR12MB5229.namprd12.prod.outlook.com (2603:10b6:5:398::12) by DM8PR12MB5429.namprd12.prod.outlook.com (2603:10b6:8:29::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4628.16; Wed, 20 Oct 2021 20:08:44 +0000 Received: from DM4PR12MB5229.namprd12.prod.outlook.com ([fe80::a87d:568d:994f:c5f9]) by DM4PR12MB5229.namprd12.prod.outlook.com ([fe80::a87d:568d:994f:c5f9%7]) with mapi id 15.20.4628.016; Wed, 20 Oct 2021 20:08:44 +0000 Subject: Re: [tip: sched/core] sched: Add cluster scheduler level for x86 To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org, Tim Chen , Barry Song , x86@kernel.org References: <20210924085104.44806-4-21cnbao@gmail.com> <163429109791.25758.3107620034958821511.tip-bot2@tip-bot2> <9e7b0c92-5a3b-8099-8c69-83a9d62aced4@amd.com> <20211020195131.GT174703@worktop.programming.kicks-ass.net> From: Tom Lendacky Message-ID: Date: Wed, 20 Oct 2021 15:08:41 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 In-Reply-To: <20211020195131.GT174703@worktop.programming.kicks-ass.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-ClientProxiedBy: CH0PR03CA0192.namprd03.prod.outlook.com (2603:10b6:610:e4::17) To DM4PR12MB5229.namprd12.prod.outlook.com (2603:10b6:5:398::12) MIME-Version: 1.0 Received: from [10.236.30.241] (165.204.77.1) by CH0PR03CA0192.namprd03.prod.outlook.com (2603:10b6:610:e4::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4608.16 via Frontend Transport; Wed, 20 Oct 2021 20:08:42 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 03b1d960-4c13-47fd-768d-08d994056af3 X-MS-TrafficTypeDiagnostic: DM8PR12MB5429: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:238; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM4PR12MB5229.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(366004)(8676002)(4744005)(508600001)(8936002)(6486002)(2616005)(38100700002)(4326008)(66556008)(5660300002)(31686004)(316002)(26005)(2906002)(956004)(66476007)(53546011)(66946007)(54906003)(6916009)(16576012)(186003)(31696002)(86362001)(36756003)(45980500001)(43740500002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?Mm1odTROYmZFeXNIdFhXbFh5dkphU2EvYVltTWdOcU1TTUR5ajZYZVVMY0tK?= =?utf-8?B?MlU5U3RvNWNCNHBHQkhzbklCc21GZHQzSmVPTTNMSmkwUG9mVkplS1A5bFZs?= =?utf-8?B?VDdiRXNxTUpsbldQaUdvUHJLa25RMzYyNmh3STFKU0RBdmtYU3NwSHNXK2hu?= =?utf-8?B?OFNxNXRwbTA4Y3ZMMWkxM3pvSk9tNE54bFUrN0phMW9RRm1yeXpXK1c2MmE1?= =?utf-8?B?N2VZZnZGcnJBSUJnWEtNU0dyM2pVRlZLTEViMXl2OU1OaVkyeWN0R0RrNXEx?= =?utf-8?B?VFkybmhybUp0RVo2cStkTUZGaFVaejhTNWsxNDNMRzdVNzNxZEw0VmtqeFNQ?= =?utf-8?B?eGc0cHdnM0MvdDl2RFF2WFRhYWJVa29FUFRnbVg1TkdNbjJFTmNTMDhWdlJE?= =?utf-8?B?ejFiQVlad3Iva0I1QkV5a2tOTkg3QmlhY25Gd0RlQmQrdXk1Q1pQQW1kc2NH?= =?utf-8?B?UyswVisyaGIwRUdmSGt1aTZVcnErbFBQaXNoUU1XUWRMSE0vZVlnRkZBOERw?= =?utf-8?B?YWREcWZsZmxUdjRHbW9PenV0VUhWdUZKRFE0YndvMkxMWTZtV0VMSExlM25R?= =?utf-8?B?L0R6dFZqREZ2dGVQcnhGT0ZFMitocVE0Z3VSQ3d0Q053Z2VnT2N5Qml3Zk1i?= =?utf-8?B?ZStmeHJkZ0VOV1RnMTZWWG5QRnlxc2JWTk03eTlFdWxBU0VIdmY5MFZqU2Q3?= =?utf-8?B?azNwc3dFQzNVRjlwL1V3dTNiV0hWUFB1a0hHUTBpeW80d1RXTVF2QWwyYkk2?= =?utf-8?B?azNiM3BlTzExdjN5TEJrL1V5UlUzYmJDWVpNck92ODBhV2R4ZGFISzNrd05a?= =?utf-8?B?SEJGUUU0TXRjSDBmdUFDZUlyenh5SkxLVWs3aVNxMi9XTnR4TnROcFdyVUFz?= =?utf-8?B?RW02RlZOQkR5blpCSEd4R29yQTU0S1greTVDSTZVMzhTekNLNTUxREZ3dFBO?= =?utf-8?B?emRENWVLNjRqY2V6cTI5NDYxNjVia1oyTGRKL21hWXpSWDVwYktZRlFKU2t0?= =?utf-8?B?OFpZQVIyRUM1Wkw3TytiTm5RM05lWXZvWmVUaC9mT2tHOTVQZk9pVmNWaFJL?= =?utf-8?B?UGxFcDFwV25hcS9tQ1A1VEk1TFREM2hzTTNhU1JrMHJHK0NNa2RnQ0hEYlJ5?= =?utf-8?B?N2dxTW9ZUUhlMjdJNzZCLzI1ZldoaHNFWHQyQTlDOXFaMFJvWDFHWlFiMnMz?= =?utf-8?B?M01Oa2t1U3l5UW9HRktVSFF2RXhZcVZJVG9jMkJaSW1kVmQ0ODZ6REIrK1lG?= =?utf-8?B?TzIxRWcwVVRGdE5OcXI5bzNCclVsNHdEVmlzQlBNVEgyQmptV2lCU2paYUll?= =?utf-8?B?bmVDR0IrdW5tQVpobFN5NVB4UE9FUVhWREFkSlVpdkF0Y0c4aWNPWTUvcjJ5?= =?utf-8?B?Y1lySFNGYXNtNlpIM3hiNTI4V2dxODUyYmJ6VzM4cU9UTTl2YjRvcUk0bzFx?= =?utf-8?B?WUtNY3ZKUitSZ1R2cWRCditmQXBKUHppSEEwMzVaOXM4bVFYa1JQd0sxYUJn?= =?utf-8?B?THYxeldCK0orUTZnL2g3Z0NDSVdhRGF5TFFyY0IwOHhtUEt2SHR3T3JGN2NF?= =?utf-8?B?akt6aG8vbTEvMDBPMnBXS2lwRHVuQUFOMDBsZWY5SmhsRVpVYTF4SU9YY3pp?= =?utf-8?B?RTdNc1NnWE5LUkgyVm9XK1FERWRNQ21XUlFVSnVCRURHQ0U1UUpaT0dhemdD?= =?utf-8?B?SjU4RlZLTlVFWVpUZGRPWVVKdzdUY3ZkWlR4MVFTblQ2QWVjUHU4K1JseGZx?= =?utf-8?B?Qkd4UEZTNHlZcm1qdENyd1pidXo5TW1YdHFUaXlhWkVOTUFNdTExdmI4eTY3?= =?utf-8?B?amlGS2REbzBRZTB5MmltUTluYW82NVl1dXphU1grSEc4Zk4vN2JSNGtidy9G?= =?utf-8?B?SXd4T0JRMmZaSE0xdWw0RmlPLzFHQnhIWHZpYVVhcWVoZUhJZHNFb3FGRzZU?= =?utf-8?Q?Jk0hySVcAOs=3D?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 03b1d960-4c13-47fd-768d-08d994056af3 X-MS-Exchange-CrossTenant-AuthSource: DM4PR12MB5229.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Oct 2021 20:08:44.3298 (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: tlendack@amd.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM8PR12MB5429 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/20/21 2:51 PM, Peter Zijlstra wrote: > On Wed, Oct 20, 2021 at 08:12:51AM -0500, Tom Lendacky wrote: >> On 10/15/21 4:44 AM, tip-bot2 for Tim Chen wrote: >>> The following commit has been merged into the sched/core branch of tip: > > If it does boot, what does something like: > > for i in /sys/devices/system/cpu/cpu*/topology/*{_id,_list}; do echo -n "${i}: " ; cat $i; done > > produce? The output is about 160K in size, I'll email it to you off-list. > > I'll try and figure out how AMD sets l2c_id, that stuff is always a bit > of a maze. Thanks! Tom >