From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) (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 71E0F41C72 for ; Fri, 21 Mar 2025 10:04:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=205.220.165.32 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742551499; cv=fail; b=olVHE/yjETdxEZnlpDykJL1trLpsLyr4/kw13zUgc3IBgpXSck+HMyPhThetXhQQXvm73wwvCLiF+TCoLuHOGzkHuiMF1oSuA3ShA5mQQcXJppQs1QYHpZ/RCHC2/BSjSyzhPwXi9BZ3zc0SEnw7s34Ye8xhZPxuim1/9VkxCCU= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742551499; c=relaxed/simple; bh=Iw1/W36ACOQ9WRZAGoiDxXATWt689Cd9btPHgJ3T3Qk=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=DY5uuWdFinYxocl7w1rhTxM4BQ1C3/XoeWlbYS1rmCrFDhFYTGuvWEcB93mJvfZQ1b+/gxflIxkcySrwEJJ90pbdKMnDlytRTK4XOY9lhYVvixpsuwJ2k1gAVTwmgszPzZ2/yCyX7WdcdgdEEclND9dUug9C72cqt3aArpEDbTI= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com; spf=pass smtp.mailfrom=oracle.com; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b=PUO87+JS; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b=Bimhq4+C; arc=fail smtp.client-ip=205.220.165.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oracle.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="PUO87+JS"; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b="Bimhq4+C" Received: from pps.filterd (m0246617.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 52L4ubkq029543; Fri, 21 Mar 2025 10:04:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= corp-2023-11-20; bh=lARHe/mdVJaD2/V/UYyKIScvqsJRY9IjQdzPoLRotNg=; b= PUO87+JSJHOC72K81vY78ZANw/6DO5oaLmcGpIevpSFalUT4WEETXNdVnHmOReLW 7X3/nDXnBhBaUfPR1kAiNeeUF+nt+QbcX+ls6ny+nwbVj8LuBf/3thB8WqMbdFXo 3/RVRhl4N30YaPMn5KOpetXVm48hBh2kHFG3hTa6I5MoUVG5ANRkBGqKrb+AjMJj POhqHX6tG4DHtAltAHOKu4msaoTIlA+wA4ipG70aNHtwCwVw//F5/tRALKwwOB0L SCNNua5k2dEdBtqmMOb6P5U0MqUgSLIgwCXksqvEfIhxf+zy97vrEp/LFt7fWMOb kVICnAsXNscfSJi6i4VOig== Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.appoci.oracle.com [138.1.37.129]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 45d23s8b3q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Mar 2025 10:04:37 +0000 (GMT) Received: from pps.filterd (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 52L9hENr018667; Fri, 21 Mar 2025 10:04:36 GMT Received: from nam11-dm6-obe.outbound.protection.outlook.com (mail-dm6nam11lp2175.outbound.protection.outlook.com [104.47.57.175]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 45dxdq8y9c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 21 Mar 2025 10:04:36 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=stPmwkhhj/Pt/vhBVUARTugKEx/EmfZgJusvykRzUNBY8aJIeOBQGWvjLpYxtvWNm5JLaZWmt1Kk4PuKTaFHTrTULu+LsqjuxWvE3D3vT5ysBO3+f2bOExgSRin1hQXheScxrtSiDwIYdvDbrrGWzuqde6hRGeA2Xa+Kk5b9i/AmKpGIdMHRoz+5Cfjt61lkWYxs1UpLIyNyMyu6Vx5HifabnCDLQS3TX3/vqp6diqtnXTfSwEa15kg6Fv9QJ9tPbZGGB5sKcW0yPBdEKxJJQpu75bHCMijUnu3jy37NpXv/ksp3SnBP5xuZq6MSjqSz299K3dzghH86Mep2gMBDrA== 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=lARHe/mdVJaD2/V/UYyKIScvqsJRY9IjQdzPoLRotNg=; b=l2ptdx3qRBYD2xuxuVHLEmVUdIFtzKEKuCuLb1JamH3XDUcerke1PcXnIE/N/LzbAeqn9I5Bx9rkfnWd9MTeySVCKz0K/UeCW8ZEaM7zWm71DHPk97NtdkymGQV1nF4MSARvJLR69hzW7jdNEb/BwZDYZrvSiwyV2w+if2oypcoAhm385taE/Y8TovSG4BdsvK4EzMr/pOGwD0aRo8DpCCRUfCfa3ft4l16iS+m5c1W+vH0Xk68U5Ky1WmT4NFLIqLUx1FJtpRR7M6B8BTJi7TJe7ievWd7UI0lB8RzItjmH2CTlhOHrctbelfkEJ3+K5LaHqLOJzouDBhWHgIxpKg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=lARHe/mdVJaD2/V/UYyKIScvqsJRY9IjQdzPoLRotNg=; b=Bimhq4+CdO43FWs6KCsyoQao43EoOr6Q7E1Nd+poP2L4tbj1Zxd4l8Vl0gAVMnqalqDGaFZBLYsde1rvmHFbtLhJNyBh2BHsunhACb98br+YLenC0uKKev9/RGrxMJM6jV7ObldUU5/a5vRtpyb1thjKeOomWbT+fU90AOUdRzI= Received: from MW4PR10MB5749.namprd10.prod.outlook.com (2603:10b6:303:184::12) by DS7PR10MB4912.namprd10.prod.outlook.com (2603:10b6:5:3a1::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8534.36; Fri, 21 Mar 2025 10:04:34 +0000 Received: from MW4PR10MB5749.namprd10.prod.outlook.com ([fe80::9a04:a919:657a:7454]) by MW4PR10MB5749.namprd10.prod.outlook.com ([fe80::9a04:a919:657a:7454%3]) with mapi id 15.20.8534.034; Fri, 21 Mar 2025 10:04:34 +0000 Message-ID: <9af4bb66-83c4-4257-bfc3-dbcb2185a7e6@oracle.com> Date: Fri, 21 Mar 2025 03:04:31 -0700 User-Agent: Betterbird (macOS/Intel) Subject: Re: [RFC PATCH 0/8] sched/fair: Propagate load balancing stats up the sched domain hierarchy To: K Prateek Nayak , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Chen Yu , linux-kernel@vger.kernel.org Cc: Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , David Vernet , "Gautham R. Shenoy" , Swapnil Sapkal , Shrikanth Hegde References: <20250313093746.6760-1-kprateek.nayak@amd.com> Content-Language: en-US From: Libo Chen In-Reply-To: <20250313093746.6760-1-kprateek.nayak@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: PH7P220CA0163.NAMP220.PROD.OUTLOOK.COM (2603:10b6:510:33b::24) To MW4PR10MB5749.namprd10.prod.outlook.com (2603:10b6:303:184::12) 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: MW4PR10MB5749:EE_|DS7PR10MB4912:EE_ X-MS-Office365-Filtering-Correlation-Id: 5bf9f59d-6f51-467d-1150-08dd685fc7bb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?MHNsTERZc3laakZOR3FsZHNQZDlXR0xiYXJ1azM5cklGWitweHIvVmpEbzJh?= =?utf-8?B?cTR6ZEFaNEFJbDZTdzBWd0d0N2dLOURJaWdjUnpzNVJxNVNTeitHU0N2cXUw?= =?utf-8?B?TWVTVVBwT0NaL1hPdVhDNm9aR3JJRThaMmJBeXo2Q3c5Q1hFWUlrUG1wQkli?= =?utf-8?B?ZE4wQS93dWltMzZGN1VHQnBEekJ2ZDVXTTNyQ0lOU1JGK0prWlpIaUtxU282?= =?utf-8?B?dXdwbE1IK3gvYkI3enVreGRRT2dORG85eHBZTkVkdk0vWlZEdFRWb21Pd3hx?= =?utf-8?B?YVdRS1VOaGJMNjdvbExRVlV4VW1lMHlvQzJUdi85a3BMVllUZHE5R1ZBTW1X?= =?utf-8?B?MWZHUjU3WmRkUURiWVdwMk9VZVFtczZ3UUUwcFc0dXlGWGIxeUdWV0RFY2RI?= =?utf-8?B?enM1RzhUc2xUVnYrWlZNTS9BMVVROFVUZnNIU2R5NDVoVFRaSlJsZTI1MVBp?= =?utf-8?B?cEU1MXlKeW9kZXhlbmNFRWI3UUZ0UGRkNFJKRG5DMy83bjhqQ0JCaHhLc2J0?= =?utf-8?B?MlpSU0h4Sk5VUEY5ekpsTTRoRzc5Q0JtbEQvNVZkbGRVZlJLTHRvN3hydnMv?= =?utf-8?B?L1JEN2dTaWNHdmIreW1NQ29oNU5IekZuc3RGUHQ5eldMVm83Sjhxa1BlSVhj?= =?utf-8?B?Zm5BbngyeE44aXV1RVRrUk5jcXRudTdtQ2NwcThQemNRRHpvNnZVVnhNRDR4?= =?utf-8?B?Y0duUFMwY0JlbVlFZ01GRThRTDhBQ21ETDBRcjZtOEJndWVwcVQ5UnMwUld2?= =?utf-8?B?WVZwbXhacGpySkNGb2hUaldVbzQvRmVhSG05dWxQaEt2TCtkRXdpdDhSMGVm?= =?utf-8?B?WGd0YUNJOHo0ZjEvNHNkM0xZenM5WHRmb1YzZmlrZWoxcUZJUlkwbE82cnUx?= =?utf-8?B?YU83TWdRaTUvclFXd2tPQ0dKalNmWEZha1k3QkRDbVUzcDc1TXpZUkJ3emtZ?= =?utf-8?B?dFo2cWcvRlEzcmlXWDIrMW9wYkVoTmgzOUxKaFhDeVdNMnJwd1poWjMzclQ1?= =?utf-8?B?eUgrZVhZaG5rYWxRQzNIWnFIazBlRUdrOVpoRjRKdEdYdE4xYVRITlRlVTF1?= =?utf-8?B?Uy9tUjZoSXFCU2YyOS9GYWhYbmdyOWVvbndYY1pjc2tTdy9qL1l3aytvcnVJ?= =?utf-8?B?bUNkd2YySHNTMXZwRk5VUlBpWlI3QU4rbk9DeG9mYk1FNUl3THQ4V0tZZENU?= =?utf-8?B?NllnWVhwdHpmaDVFeWNTeHllaWZxbVhBYVF6Q052U2FucU41cVNBR1M0eG9p?= =?utf-8?B?dlFzcFFRWG1xTFVlc1ptYVl2SXVkNnhyckJQRU94cFpRVCtydXFucUN1cHdE?= =?utf-8?B?SkRnN0U5WXJrZ1dKQ1lleHg1Rkh0V0thWVlMejBqK04xODBtcURpSTloYWQ3?= =?utf-8?B?TUcwNjQzclNMUTVhbUlMYjBxQ2NmaUFubmlnMXJzTjZ3R2IzWm5ncDBDYlV3?= =?utf-8?B?SlRqS0MrMmhXdnRRdkxoSG9aaG1nY2NGNENac2gweWFjd08zU2hKMkFsUjJB?= =?utf-8?B?SXVpUnlnUWxDUS8zMER3cE5ZTHRLNDJSMnRLRGpuR25iLzhyamwvdWpIT0pZ?= =?utf-8?B?R0VPQlBFNzBnYis1dVBwOFFYQmUzYTBFTWw4ZDM1MEhJejVhYlpEcEFOek0z?= =?utf-8?B?QWJFVFdRRkFDNGY0UHg3SWNTVlM0L3RpdExMTGlrM1VwQk5BK1p0UHVBcGo2?= =?utf-8?B?d01zRElkdldsYVhackEyWjEvemxVK1hoalppMkM3WmpWaElaZEozQWxRekNU?= =?utf-8?B?MzM1VnUvSzBIdk1EbndpSDlnbXJJMW9PSlg5RnE3aWkwVzErcmVwQmNYNWwv?= =?utf-8?B?MndLU0NMbmhkNlZUK1V0WVY4cG0ydDhXblFaOHUxZWZvR1p2ZGE1OGQ5dFFv?= =?utf-8?Q?zBjr5GfSLdKhC?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW4PR10MB5749.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?cGhLcGgwSm1MSk1SM08yb2ZxWXRHSTAwaS9ZcGxia3ZxV3pDWlhlRXJxS01q?= =?utf-8?B?dGJlVTlEa05LcDA5QnlrZVVzaW9jQTVtbXY3SzFlRXR0N0RBQnlSU3FRamta?= =?utf-8?B?STBWK0pFdkZyWTNyb1Vjc2VEZm5QOHpLLzQ1cGg4STJUamV3b2JwS2ljOEdT?= =?utf-8?B?SlN1aDdJRG0vRUJMb285NGlHWXJLNHY0R01TUGFPR251MTB5OGpkRyswWUEw?= =?utf-8?B?RUplL3UrWjBCbkwwY00xT2F3dGxvWEdsd2tSODVkc2Rwc2cvakozNUlJS3Nt?= =?utf-8?B?SkI3MU5QK0RMOHFiMU8vNWVjbDNQQno0NG9iSVVaQjc0WEN1eUFZQnFPVlJR?= =?utf-8?B?WFdIQTlKUHNpdHA0UVhhWTVDeVB1NGNld2pybDdPVkpRNmFEL1dZa2hBOExj?= =?utf-8?B?K1ZaeDZvV3FndkxjN0xqMStRQjI0bXAyUnFvTXNEUGM2eFBWbmZYbTB6ZXV2?= =?utf-8?B?amFFZk9XME9TNW5qMXhIY0MzNGo3YURhY0RxdVFiSDh2cUt4WGRidHVhMC93?= =?utf-8?B?bk8xR05Id3NueTV6YWFTNm9SanJpT29kRDNpbVF6WXBwak82dWMrakRRcUFP?= =?utf-8?B?Z2crL1hsRkswQ0RnWHVwd0lBbWRQbFhRZnl5VzFSMjdGK0hpL2VZdncxUHl3?= =?utf-8?B?dGVwbjRuWnVib0ZmcE9Jb2U0Y0hBMTVwTXd6R0hRU0NXS1dleFkzZjdud1dM?= =?utf-8?B?bVBvK1dES0QvamRlb09rUmdrQlZaa3c0TkgxNVBRYW1IZTMycnFQMU5tRlQz?= =?utf-8?B?NC8vODJyNmpSeG9JUGVMUEovZkxtRU9CZ2dQU08vMmFxQ1FPVE93Yk4xZkJE?= =?utf-8?B?dVZURWJ0UVlJa28ydDI5dm9EaHIya2pTNk43RXQ5a0w1TzNkS2RtOGVKZDN3?= =?utf-8?B?TC85UVFHVklGS2FsZml1U2llbURhWUJsQ2QxbjNHeTZwb0lhcHUxWk9Ec0U2?= =?utf-8?B?dlAyR1JFYXRMVnA5aWZublRLK3BLekM3UmMyNU1YRVRZY2xZWTB1NS80YlNa?= =?utf-8?B?Q3pKQlMwN0dHSU8xR2pHOUEybWtFMnB6NHhDaHJMNE5OTXF3R0dReHVpOVR2?= =?utf-8?B?L1crZjJQSGNMQm5jcHo4aktjOWxOOU11VmFZaTZtMjBMMWRDWkoxR0ZsMERI?= =?utf-8?B?SVdoMHdvOUpWSnpNQUQ3ZjJicEJKR0VxTkdWZE1ZNExaOFpUSm5EdWZKRStH?= =?utf-8?B?OE1RTU5xbnBTK3dOeUs0OHlpRy8xdExLMXhiOC9lUzhSV2JUSWdTaGgySE5p?= =?utf-8?B?aEczOEFBZmduVndBODVnTWVxQ2VzRGFBa2M0YWlpL1BtaEV6WnFTdHNvMSt0?= =?utf-8?B?dFByajRaREppdWhoVkw3V1hEdm9GSU9SS2lWNVA3Q1V0WnhwUlhNQW8rUTZj?= =?utf-8?B?MHltTXgvTnplcm40SmFkczRidXlUaUQ0aWZtK3gzMTVaS29tOTdlbUZpVDB0?= =?utf-8?B?ZjVBL2xHbnl1YVk5VEQ4WCsyWm5QeDNJY2pWNFNJeTFWQjlxZzNpb1RnUzdG?= =?utf-8?B?dEc5QnRyS3p5c2V2NThiZVJ0UWVxWTBKUitMMzYvejZKUFkzQnlpOGJacEs2?= =?utf-8?B?R3ZGdjRQcUdaN1RmSy9vUnVydkhzNHhRMTBOdUJFV1NsYzcxaDg0bHdBQXdG?= =?utf-8?B?SHZFNlRPQXRpNG5aYXNBVG8yTlRKaTZQVkN2dmRTTE1FcU5qYTl0d2V6Z2RG?= =?utf-8?B?a0dPSlo1eTUwcFh3V0VMRU1RN25kdW1nQ1ZFZmptRXVwSkxZWWs1alVaVmxO?= =?utf-8?B?UlQvbmNYbktTSW9YQ3JueTRTQlNudm52czE5ZWxaZUh2c0x4Y1VqTUxvOURV?= =?utf-8?B?ZitNczFHUE9xT3lpejdGKzk1c0hjVllFNW1qbjRqcTlWOS9OMDlESFJwYnlY?= =?utf-8?B?dGVEckhvdUwyMEwzYkpmNTdqZUNoSWxZcDZMbjBOSGVwME04MUhObzZSZUtt?= =?utf-8?B?UkhJU2NrMzlhZ2lSb2tGWWZFbkJ5YS96ODZJM3pCRGxwZ2JBS0NzQk1QMjU5?= =?utf-8?B?TitZRU5VSW1BMVVHazUwOHZvNFpPanJ6Z0RJcU41YW9QVzdTOWs5TVZsc0ti?= =?utf-8?B?S0cwem5udG11YlV5NGVxN2FjbStHa1R3ZlBXM05aODJEVytVY2RMZlBpT3RQ?= =?utf-8?Q?tImLix1sz9XwRpY6Sw5TZgPXP?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5bf9f59d-6f51-467d-1150-08dd685fc7bb X-MS-Exchange-CrossTenant-AuthSource: MW4PR10MB5749.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Mar 2025 10:04:34.0299 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: I58Tek/DLMqI/AuxDu51THI4cvSHrKcYgfJ6udZCem28+jvMs3hr2bblBpvVM8grKQNGx0PmwdqXHJeDAuHTrA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR10MB4912 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-21_04,2025-03-20_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 suspectscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 spamscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2502280000 definitions=main-2503210074 X-Proofpoint-GUID: Cb7m_Jr8jC85g-0dQmXRiUK_l7lJBjka X-Proofpoint-ORIG-GUID: Cb7m_Jr8jC85g-0dQmXRiUK_l7lJBjka On 3/13/25 02:37, K Prateek Nayak wrote: > Benchmark results > ================= > Hi Prateek, Definitely like the idea, esp. if we can pull this off on newidle lb which tends to be more problematic on systems with a large number of cores. But the data below on periodic lb isn't I guess as good as I expect. So I am wondering if the cost of update_[sd|sg]_lb_stats() actually went down as the result of the caching? Thanks, Libo > ================================================================== > Test : hackbench > Units : Normalized time in seconds > Interpretation: Lower is better > Statistic : AMean > ================================================================== > Case: tip[pct imp](CV) stats_prop[pct imp](CV) > 1-groups 1.00 [ -0.00](10.12) 1.09 [ -9.11](11.93) > 2-groups 1.00 [ -0.00]( 6.92) 1.00 [ -0.22]( 4.57) > 4-groups 1.00 [ -0.00]( 3.14) 0.99 [ 0.83]( 1.77) > 8-groups 1.00 [ -0.00]( 1.35) 1.00 [ -0.31]( 2.24) > 16-groups 1.00 [ -0.00]( 1.32) 0.99 [ 0.84]( 0.67) > > > ================================================================== > Test : tbench > Units : Normalized throughput > Interpretation: Higher is better > Statistic : AMean > ================================================================== > Clients: tip[pct imp](CV) stats_prop[pct imp](CV) > 1 1.00 [ 0.00]( 0.43) 0.99 [ -0.87]( 1.34) > 2 1.00 [ 0.00]( 0.58) 1.02 [ 2.14]( 0.29) > 4 1.00 [ 0.00]( 0.54) 1.01 [ 1.24]( 0.82) > 8 1.00 [ 0.00]( 0.49) 1.01 [ 0.62]( 0.97) > 16 1.00 [ 0.00]( 1.06) 1.01 [ 0.94]( 0.70) > 32 1.00 [ 0.00]( 1.27) 0.99 [ -1.24]( 1.38) > 64 1.00 [ 0.00]( 1.54) 1.00 [ -0.43]( 0.36) > 128 1.00 [ 0.00]( 0.38) 1.00 [ -0.01]( 1.22) > 256 1.00 [ 0.00]( 1.85) 1.02 [ 1.58]( 0.90) > 512 1.00 [ 0.00]( 0.31) 1.01 [ 0.76]( 1.19) > 1024 1.00 [ 0.00]( 0.19) 1.00 [ 0.44]( 0.35) > > > ================================================================== > Test : stream-10 > Units : Normalized Bandwidth, MB/s > Interpretation: Higher is better > Statistic : HMean > ================================================================== > Test: tip[pct imp](CV) stats_prop[pct imp](CV) > Copy 1.00 [ 0.00](11.31) 1.02 [ 1.69]( 6.44) > Scale 1.00 [ 0.00]( 6.62) 1.01 [ 0.80]( 5.37) > Add 1.00 [ 0.00]( 7.06) 1.02 [ 1.54]( 6.72) > Triad 1.00 [ 0.00]( 8.91) 1.01 [ 1.36]( 6.73) > > > ================================================================== > Test : stream-100 > Units : Normalized Bandwidth, MB/s > Interpretation: Higher is better > Statistic : HMean > ================================================================== > Test: tip[pct imp](CV) stats_prop[pct imp](CV) > Copy 1.00 [ 0.00]( 2.01) 0.98 [ -1.55]( 2.15) > Scale 1.00 [ 0.00]( 1.49) 1.00 [ 0.23]( 0.58) > Add 1.00 [ 0.00]( 2.67) 1.01 [ 0.65]( 1.95) > Triad 1.00 [ 0.00]( 2.19) 1.01 [ 0.61]( 1.37) > > > ================================================================== > Test : netperf > Units : Normalized Througput > Interpretation: Higher is better > Statistic : AMean > ================================================================== > Clients: tip[pct imp](CV) stats_prop[pct imp](CV) > 1-clients 1.00 [ 0.00]( 1.43) 1.00 [ 0.17]( 0.32) > 2-clients 1.00 [ 0.00]( 1.02) 1.01 [ 1.00]( 0.44) > 4-clients 1.00 [ 0.00]( 0.83) 1.01 [ 0.62]( 0.36) > 8-clients 1.00 [ 0.00]( 0.73) 1.00 [ -0.11]( 0.65) > 16-clients 1.00 [ 0.00]( 0.97) 1.00 [ 0.49]( 0.77) > 32-clients 1.00 [ 0.00]( 0.88) 1.00 [ 0.30]( 0.94) > 64-clients 1.00 [ 0.00]( 1.49) 1.00 [ 0.36]( 1.57) > 128-clients 1.00 [ 0.00]( 1.05) 1.00 [ 0.14]( 1.46) > 256-clients 1.00 [ 0.00]( 3.85) 1.00 [ -0.04]( 4.85) > 512-clients 1.00 [ 0.00](59.63) 1.00 [ -0.02](62.28) > > > ================================================================== > Test : schbench > Units : Normalized 99th percentile latency in us > Interpretation: Lower is better > Statistic : Median > ================================================================== > #workers: tip[pct imp](CV) stats_prop[pct imp](CV) > 1 1.00 [ -0.00]( 6.67) 0.76 [ 24.44](35.80) > 2 1.00 [ -0.00](10.18) 0.87 [ 13.04](10.38) > 4 1.00 [ -0.00]( 4.49) 1.04 [ -4.26]( 3.14) > 8 1.00 [ -0.00]( 6.68) 0.98 [ 1.89]( 8.07) > 16 1.00 [ -0.00]( 1.87) 1.03 [ -3.28]( 5.21) > 32 1.00 [ -0.00]( 4.01) 0.98 [ 2.20]( 1.31) > 64 1.00 [ -0.00]( 3.21) 1.00 [ -0.00]( 3.23) > 128 1.00 [ -0.00](44.13) 1.06 [ -6.43](113.66) > 256 1.00 [ -0.00](14.46) 1.04 [ -3.52]( 8.43) > 512 1.00 [ -0.00]( 1.95) 1.02 [ -1.80]( 1.14) > > > ================================================================== > Test : new-schbench-requests-per-second > Units : Normalized Requests per second > Interpretation: Higher is better > Statistic : Median > ================================================================== > #workers: tip[pct imp](CV) stats_prop[pct imp](CV) > 1 1.00 [ 0.00]( 0.46) 1.00 [ 0.00]( 0.55) > 2 1.00 [ 0.00]( 0.15) 0.99 [ -0.88]( 0.26) > 4 1.00 [ 0.00]( 0.15) 0.99 [ -0.59]( 0.15) > 8 1.00 [ 0.00]( 0.15) 0.99 [ -0.88]( 0.26) > 16 1.00 [ 0.00]( 0.00) 1.00 [ -0.29]( 0.15) > 32 1.00 [ 0.00]( 3.40) 1.07 [ 6.59]( 0.16) > 64 1.00 [ 0.00]( 7.09) 1.00 [ -0.38]( 0.96) > 128 1.00 [ 0.00]( 0.00) 1.00 [ 0.00]( 0.20) > 256 1.00 [ 0.00]( 1.12) 1.00 [ -0.30]( 1.50) > 512 1.00 [ 0.00]( 0.22) 1.05 [ 4.86]( 0.71) > > > ================================================================== > Test : new-schbench-wakeup-latency > Units : Normalized 99th percentile latency in us > Interpretation: Lower is better > Statistic : Median > ================================================================== > #workers: tip[pct imp](CV) stats_prop[pct imp](CV) > 1 1.00 [ -0.00](19.72) 0.85 [ 15.38](16.75) > 2 1.00 [ -0.00](15.96) 1.00 [ -0.00]( 0.00) > 4 1.00 [ -0.00]( 3.87) 1.00 [ -0.00]( 4.08) > 8 1.00 [ -0.00]( 8.15) 1.00 [ -0.00](11.71) > 16 1.00 [ -0.00]( 3.87) 0.92 [ 7.69]( 4.19) > 32 1.00 [ -0.00](12.99) 0.73 [ 26.67]( 0.00) > 64 1.00 [ -0.00]( 6.20) 1.12 [-12.50]( 9.94) > 128 1.00 [ -0.00]( 0.96) 0.98 [ 1.55]( 0.95) > 256 1.00 [ -0.00]( 2.76) 0.99 [ 1.45]( 1.38) > 512 1.00 [ -0.00]( 0.20) 1.20 [-20.42]( 0.00) > > > ================================================================== > Test : new-schbench-request-latency > Units : Normalized 99th percentile latency in us > Interpretation: Lower is better > Statistic : Median > ================================================================== > #workers: tip[pct imp](CV) stats_prop[pct imp](CV) > 1 1.00 [ -0.00]( 1.07) 1.02 [ -2.08]( 0.13) > 2 1.00 [ -0.00]( 0.14) 1.04 [ -3.97]( 0.13) > 4 1.00 [ -0.00]( 1.39) 1.03 [ -3.15]( 0.13) > 8 1.00 [ -0.00]( 0.36) 1.03 [ -3.16]( 0.00) > 16 1.00 [ -0.00]( 1.18) 1.02 [ -1.59]( 0.75) > 32 1.00 [ -0.00]( 8.42) 0.81 [ 19.08]( 0.25) > 64 1.00 [ -0.00]( 4.85) 1.01 [ -1.10]( 2.58) > 128 1.00 [ -0.00]( 0.28) 1.00 [ -0.21]( 0.38) > 256 1.00 [ -0.00](10.52) 0.95 [ 4.74]( 6.94) > 512 1.00 [ -0.00]( 0.69) 1.09 [ -8.99]( 0.27) > > > ================================================================== > Test : Various longer running benchmarks > Units : %diff in throughput reported > Interpretation: Higher is better > Statistic : Median > ================================================================== > Benchmarks: %diff > > ycsb-cassandra -0.54% > ycsb-mongodb 0.09% > > deathstarbench-1x -0.30% > deathstarbench-2x 2.38% > deathstarbench-3x 0.58% > deathstarbench-6x 0.62% > > hammerdb+mysql 16VU 0.76% > hammerdb+mysql 64VU 0.74% > --- >