From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 E8B0C2EF9D8 for ; Wed, 16 Jul 2025 08:51:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.14 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752655866; cv=fail; b=Dz4e53nVbcJCdLTIFcUvr83AN/8DbaZjDM859P9C3XLW901fkuFT79z+AuiHj3aDf5vy8yi8k/4t6Uxt338RlGktg3PZURsy3X1krIWXY4BinquxGkHB9FYRqMEItzV3jmstyJYtIUv/tLxz8ypL0tocy8AUWWRfLJCWUzK+2jI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752655866; c=relaxed/simple; bh=kDbgxa5tTqjNbrWq847vUlYoRB/kp8fC4bFTXxIeaOw=; h=Date:From:To:CC:Subject:Message-ID:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=JXjVlggkXZFFG82hU5jHWaFyTdSfZQj8wMPEmpdsb/cygZ0r8XoZaz4tYPh5rPISTMNQjrxDL3Er0us4PHmmsdyd/LFv/qDMn0fY4pfed5uqfB1fgb34IycVhAQfZRL533bC8XNJqttJfG0VYRYXqMQDzmEzgplJ2Ojj9jHajGs= 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=nxvTMohh; arc=fail smtp.client-ip=198.175.65.14 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="nxvTMohh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752655864; x=1784191864; h=date:from:to:cc:subject:message-id: content-transfer-encoding:in-reply-to:mime-version; bh=kDbgxa5tTqjNbrWq847vUlYoRB/kp8fC4bFTXxIeaOw=; b=nxvTMohhP1W/wVUViidN+XVqk87/budYL+LcYf3oKmuUW9cAr1gObK+f 0OLDO7pqb4gZtIWcbIP/EwNLCgNJcExA2F1Psy5UHF2OagJuV6w+MSAwp X6Yj3blu1wmNoME14k6hMFuW6ArPIZNfiXypaM1ANfmF9hJx5QQGLOYmG LFahRnHezYQn+vdg1mn1CER5mIiSsRFgQAMmDCMOA9YM8Mcb+d2dE/I0q YtlyOgdOCIG4WIrMRWPXhzF+nIVJOjoFt9j12oWpKKSITv8YGFOXq8mpo C/uV0WAnK4B3NIiEWOfsQ59Zp5pjn+fLDn3tAYioY4lyuBpiAPlTpIkhS w==; X-CSE-ConnectionGUID: OFoYH28XR7y+wT8Qy7b5sw== X-CSE-MsgGUID: VMYhcDTYScqKgSUGhUC2Ow== X-IronPort-AV: E=McAfee;i="6800,10657,11493"; a="58662476" X-IronPort-AV: E=Sophos;i="6.16,315,1744095600"; d="scan'208";a="58662476" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2025 01:50:56 -0700 X-CSE-ConnectionGUID: x5feNW7dSqaFzBemhVvbtQ== X-CSE-MsgGUID: ZlyLS2acRG+lAzXmVCylLg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,315,1744095600"; d="scan'208";a="157548000" Received: from orsmsx902.amr.corp.intel.com ([10.22.229.24]) by orviesa007.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2025 01:50:55 -0700 Received: from ORSMSX901.amr.corp.intel.com (10.22.229.23) 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 15.2.1748.26; Wed, 16 Jul 2025 01:50:54 -0700 Received: from ORSEDG902.ED.cps.intel.com (10.7.248.12) by ORSMSX901.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.26 via Frontend Transport; Wed, 16 Jul 2025 01:50:54 -0700 Received: from NAM04-BN8-obe.outbound.protection.outlook.com (40.107.100.69) by edgegateway.intel.com (134.134.137.112) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.25; Wed, 16 Jul 2025 01:50:54 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=jXp91ZCASzAHaV2Xj/dJfopPv63XqEJ5UoHQYDU/ezZk2AZ2ZKlkclMbnesZDtwyjy0RTsu28Fi9t9bgx27gd8Z0J0dXWqGMapli1xnMB/goakxzVjZ/hJMZ5BowKllh+sPgWtZ0khY5aoV3NPq6pvkwpLXtogwvP7L8vK0TMvRfpe1TyFL20MhmstcQTuB1d7lJChtg1ghS+hUeUJ7CvxUACZXawRm8uqTVc+GVhDACveDl0/RiYEm4NmVzDNwqCV/mdKRmdR50OYEn0/wFdBoWoGruaruroBV2Ub6kgV9u7CvJT/v1HsiM6uB7cRr5vj1XWpev2fMMQy2GS5KNcg== 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=gYww1NmNHAlC9cRKOQbX8+DrG2HnIhN02L4K995MCe8=; b=Dh4vd7OUp2E9eh/oUvvhvLjCLT9/7jviw8NLbX6JF13eSv4zEJ5ziSuBNQktQKfdU6srrl+U0g7XUxMWQlJUMDRLFmVox4dMDndD65QZQG7mhjKKvHQHn0m7qJRyyIFNLJ857qwJkJYuQvO57mhAIZVHfVEVD2YyDJde1i29JycSfQL5w52Hp3n0hYn5WQYR/W+fIIqfMeUsTjtLUuziTrG+uYuwcH8XzLSkB5sOoW3jf3y+mrc/udqTPXX9CmsUNq8Oy09gtJQl1Tk+eYXvrWQAnZAbiMAdQRUsh3GRPxeMCYQ7am7HJrqvM1/CIz6F99NK05zZwRWUbZi96lBv0w== 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 LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) by IA1PR11MB8248.namprd11.prod.outlook.com (2603:10b6:208:447::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8901.35; Wed, 16 Jul 2025 08:50:50 +0000 Received: from LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::4622:29cf:32b:7e5c]) by LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::4622:29cf:32b:7e5c%3]) with mapi id 15.20.8901.018; Wed, 16 Jul 2025 08:50:50 +0000 Date: Wed, 16 Jul 2025 16:50:36 +0800 From: kernel test robot To: Zecheng Li CC: , , , , , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Xu Liu , Blake Jones , Namhyung Kim , Josh Don , Madadi Vineeth Reddy , Zecheng Li , Subject: Re: [PATCH v3 3/3] sched/fair: Allocate both cfs_rq and sched_entity with per-cpu Message-ID: <202507161052.ed3213f4-lkp@intel.com> Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250701210230.2985885-4-zecheng@google.com> X-ClientProxiedBy: SGAP274CA0020.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::32) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) 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: LV3PR11MB8603:EE_|IA1PR11MB8248:EE_ X-MS-Office365-Filtering-Correlation-Id: 2eaf5cdf-0260-48fe-7ef4-08ddc445dd2a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|366016|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?iso-8859-1?Q?3U3sdnh7TaYYlt9iHsEch3NLQU66WWtsPIc1Ontja0R+Eu/SXhOg4yJnxd?= =?iso-8859-1?Q?g8NjiXfrwcYdoSQ49sOpjKwRVV1V/1iuGCz92R774bVWOPPdMnhGuuIF9i?= =?iso-8859-1?Q?SfnaCqWLVbCQLSezEcsO5In2mPO2JIxO9peiR1VeuWhSRndeHiRvNuvNgI?= =?iso-8859-1?Q?XrcFf/4wEq9w+EDpzoK9jyO/VJGFWXzw/fpNSafFKytXsS6X8dVPJpFXIM?= =?iso-8859-1?Q?PYAG5vb21p9a/P3yjLP74UzIjvgU6MsIEzNOKagQTwgbcYeonNzr7i0qj/?= =?iso-8859-1?Q?7J05FGemSm1tYEdrB33oCCRNZJTJt1WxCnR4cfWP9Jgyb0PYNNbaHc7gzX?= =?iso-8859-1?Q?M4CULN1R+iQm6vYyWVfEZjAozFR5QwqJ6NWhc534CzKyvmbFuN5+ogpy0A?= =?iso-8859-1?Q?Pi9l753U9ZqKjqwz0taA8twoTks5sWuRVI2jwlRlXCf6QGTymIcoLdgwVO?= =?iso-8859-1?Q?jLK6ashqtoHO1dxk4epVchdnJ0AYkAvgNv0gvpD3UfNDfcMJ8kSzEZtlnW?= =?iso-8859-1?Q?w03d15fBBvp0yV7lRroEkJMim1yrhkgV+EfO0GdSBHat35fObZayDsRfGN?= =?iso-8859-1?Q?SvE+YZyA6TlAEI6etPAL5YOIDG/8eGnbmKulFlaSCjrjFoMwGOWPhXR29g?= =?iso-8859-1?Q?XwIiWhzyAcSKHtNuMrnhzTHs0ozthBK+aW+HsqnQ/EF760nd60SuU1RzF3?= =?iso-8859-1?Q?8za4Txicogo8jJrRHZRaoAyACkFye4Pe7wuPnzA9Xz/oslUCSMohunkTEZ?= =?iso-8859-1?Q?AuNwLIF/cgW9i/9T0Fa5Asm7FTHWKlp66OBkIyoLadzNJ0gKCDXn916aab?= =?iso-8859-1?Q?nDQC9LGmdpr2SBx8UESIxGh2I51SmlcTFVlwU29fW/xGY1edzTqdw4abuw?= =?iso-8859-1?Q?hKOwrlE8AGNUupdeOrGtW+nK0VAVPh2mIOAsxUjTZz6oFOxybIDXb8ha3U?= =?iso-8859-1?Q?ibXN4HU64mPhUdk5zLrevpHC0vJkhYZ2gmhWOhQUFgI+ak9z1FlWW4nEFA?= =?iso-8859-1?Q?vYA3bBsBi56rlQFLqi/sXk1EDuOxuYYNY+Lbz4twXV9BKERACoS6d4YOwb?= =?iso-8859-1?Q?YA5nYrBZQd5kVm9586txn0gURflMY0k458onWMQ0tzoafXDUsbCodOGpY5?= =?iso-8859-1?Q?TKk7pIUDWVh4boS6XrmSpkfk5zt4P46AjosYZQ86biqaVOEeih21nLDvz9?= =?iso-8859-1?Q?2TvtkRUYvEdxsmhJ0rr2vCTAUwd8YglNQRhFyjxO+hBtfFFdCzsnFuxd2D?= =?iso-8859-1?Q?FdjcqbiBypTamKRtkshe+i5h5/kc7EYKvp6W8MgW2yg9hCejckEZ2Q7G8Y?= =?iso-8859-1?Q?13A5A57jmdgz6/mNiIuEJPwNEDfJobF2hPZbzxhaZrpueMYuj7YczzZDUe?= =?iso-8859-1?Q?244mg6aN614NHQuzerCBFYKO2pCjlRwQzrzRBFFXG87I0j5tVNw33CAVTQ?= =?iso-8859-1?Q?lzmWbNr6/g9lqNFl?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV3PR11MB8603.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(376014)(366016)(1800799024)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?iso-8859-1?Q?BEuKxrvjM1+GXULS+srDn68iMQu2hyNsjO8lj28i8/XrHRwBVJ5jB7006h?= =?iso-8859-1?Q?aCuwgoP5IAvFN5R4AUcoVzHo39J3RD8hkUhHpCB/oyRhQJsCWyOdgUg+Jj?= =?iso-8859-1?Q?uvUYzG0Q/EEvVjrkBlcE/S4ZHHHsxtDvRgJz2hsnBSP7zxlQtGPo5HqfZq?= =?iso-8859-1?Q?A/YL5zwArNHOPJTQWvaDnPp4YpvrpXgcnKeBRUiXuac7IYnHMeZuwF1PYe?= =?iso-8859-1?Q?8M6zfAe7Qu9U5tr8TnSfyeWNexR7lOC9XpLYP8mSrXNq/w6setMHF3Y9wO?= =?iso-8859-1?Q?Qx0YXi2O9XsF2lc5EECWdmk6lfCmuya9XtZWMdY1VTXfxdCACw1AEhx1Ur?= =?iso-8859-1?Q?fZfkQ2rWfQ4KW98aH6v3V4XwlevCiD2EG5CbvZzygSaRsZIGnjCRAjSbtN?= =?iso-8859-1?Q?8J1Ld4xo8j/cYVwBm8D850A4spKQqqhDHoT7qrrEz8It5rWVHXbFGzP8OJ?= =?iso-8859-1?Q?dMtwv8lGzGuI40E+HjWS95t5M5oC+Egw5T1+bDX8zIPaCOS+iRt+qxIdeO?= =?iso-8859-1?Q?9W9WConGcXInHFtNU4u3NJwtyzNpfPI7KGfK52w+hROeinrXGdieSiEXs4?= =?iso-8859-1?Q?eVEy+t3fettIVU7lMvC+UizqF0VRvK4x9+8AObO6u5+FuJwY0MqQJg1GJm?= =?iso-8859-1?Q?4pI/9Iq+hu6tN1TXImikvt/fjMGdl+GAuK0+8EPEew69pg8WPUaCd3sORO?= =?iso-8859-1?Q?v3BT58xN5pcrtaNsLS10Juxm/LoeXbjdix74Ae2mSpNV9KGO62jsF6xB1X?= =?iso-8859-1?Q?emwjuMUmC9MOLdxEYdrhZeWqEfUVGRyQhIJ8pdrHhxq7zBuqyErHXjAP0J?= =?iso-8859-1?Q?v0XQamp5bnoTOI40uPqM/KjJciXH4LEeZLfgwY5t1BVApkmsg7jJjO4Qvi?= =?iso-8859-1?Q?QBbNT/rNAV8UkB62BJq4W4eAFm0s1KJvrLrYVwPNu2PK8aAzbaGzjUZCPo?= =?iso-8859-1?Q?QRVcmPdL9BRWZgsSLN3thsc4N7KuD7B9CJHz5/AsmP6gySR2qOQI/ajqUm?= =?iso-8859-1?Q?fXBRTz3XOMe9VHdHtGCC88ZLSoDVVPiA+PKBB+7AvM77LjSfkCxLuk0K9z?= =?iso-8859-1?Q?D37a75+3edq05D3dbAF9t9+ZCAJDHJnkuV/qtkOjT3mmbHH0LSmPXCI65K?= =?iso-8859-1?Q?SOoxSCBZgbXEQ+15mMIwy349EQGun4FAKXORgalmH64XBc3Z2xYrp/MGLj?= =?iso-8859-1?Q?7pjW3/sQ9UHxlpEgHg9BH0UotJwQ4bj6eOnprrCUkhjbu22kg/L/WdQMa1?= =?iso-8859-1?Q?WLNicTcvrYvBteluvb5xsR3VjhaaC2gaRGj4Gnpt9jfkMBMo2MupIk7ZXu?= =?iso-8859-1?Q?ppkEeu1xTfefcFCkXVCPtjMKQD71iK2uStinXUH4d8TBbJyO7iX7e9Bzey?= =?iso-8859-1?Q?z7CKPr52o79YXWIf0CcVjF9CGSL0x1bzECoKpm3tSo8Fdjmf6QGUD36eVW?= =?iso-8859-1?Q?ymUG5DJXCGDtDjPIAvRYoH1IFiPeT+JHUfvNoK3hgPrPTEmZRMBahQm+Oe?= =?iso-8859-1?Q?borBMMm0evidTrYBZYQUW6UuQrkN8iHKJ4CkNMIW8uquISeoc/uejgiUnm?= =?iso-8859-1?Q?rdcCgLuhvY6JLSB6IXXP+f/7AVmLcIVF/6yYgnztXKzDYwDlz3F0658qY6?= =?iso-8859-1?Q?z0+TaJbi/MSRYqMU+EC557B0X5xfvhyVxW/kR/MSf63aK8R7a629kLoA?= =?iso-8859-1?Q?=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 2eaf5cdf-0260-48fe-7ef4-08ddc445dd2a X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jul 2025 08:50:50.0999 (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: idjhizdBSl42RNkpOMywxOyjkGH1A3e5DBBH7ZaWYU6BJ7EIRasyJOqU0P25dg9vt07EetGeD/UKmftMJKQ6rg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR11MB8248 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 8.8% improvement of stress-ng.session.ops_per_sec on: commit: ac215b990e70e247344522e1736fd878cb3c25b6 ("[PATCH v3 3/3] sched/fair: Allocate both cfs_rq and sched_entity with per-cpu") url: https://github.com/intel-lab-lkp/linux/commits/Zecheng-Li/sched-fair-Co-locate-cfs_rq-and-sched_entity/20250702-050528 patch link: https://lore.kernel.org/all/20250701210230.2985885-4-zecheng@google.com/ patch subject: [PATCH v3 3/3] sched/fair: Allocate both cfs_rq and sched_entity with per-cpu testcase: stress-ng config: x86_64-rhel-9.4 compiler: gcc-12 test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) with 256G memory parameters: nr_threads: 100% testtime: 60s test: session cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250716/202507161052.ed3213f4-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-12/performance/x86_64-rhel-9.4/100%/debian-12-x86_64-20240206.cgz/lkp-srf-2sp3/session/stress-ng/60s commit: 10d69ea6ba ("sched/fair: Remove task_group->se pointer array") ac215b990e ("sched/fair: Allocate both cfs_rq and sched_entity with per-cpu") 10d69ea6ba7641d0 ac215b990e70e247344522e1736 ---------------- --------------------------- %stddev %change %stddev \ | \ 0.00 ± 33% -0.0 0.00 mpstat.cpu.all.iowait% 4.46 -1.9 2.60 mpstat.cpu.all.soft% 119077 -40.8% 70550 numa-vmstat.node0.nr_slab_unreclaimable 108930 ± 2% -47.0% 57734 numa-vmstat.node1.nr_slab_unreclaimable 182080 +6.2% 193357 vmstat.system.cs 523378 +2.8% 538219 vmstat.system.in 492392 ± 2% +13.0% 556325 ± 4% sched_debug.cfs_rq:/.avg_vruntime.min 492392 ± 2% +13.0% 556325 ± 4% sched_debug.cfs_rq:/.min_vruntime.min 138.58 ± 5% -7.4% 128.29 ± 2% sched_debug.cfs_rq:/.util_est.stddev 472216 -40.6% 280726 numa-meminfo.node0.SUnreclaim 574944 ± 4% -37.1% 361520 ± 7% numa-meminfo.node0.Slab 432134 ± 2% -46.3% 231873 ± 2% numa-meminfo.node1.SUnreclaim 479462 ± 5% -37.2% 301105 ± 9% numa-meminfo.node1.Slab 10287656 -10.7% 9189229 meminfo.Memused 135165 +249.4% 472245 ± 2% meminfo.Percpu 904298 -43.4% 512235 meminfo.SUnreclaim 1054350 -37.2% 662242 meminfo.Slab 10568312 -11.6% 9345843 meminfo.max_used_kB 1207478 +8.7% 1312849 stress-ng.session.ops 20155 +8.8% 21919 stress-ng.session.ops_per_sec 1.019e+08 ± 2% +6.9% 1.09e+08 stress-ng.time.minor_page_faults 16524 +2.1% 16869 stress-ng.time.percent_of_cpu_this_job_got 9893 +2.1% 10097 stress-ng.time.system_time 4781984 +7.2% 5125238 stress-ng.time.voluntary_context_switches 481639 +2.6% 494200 proc-vmstat.nr_active_anon 1169838 +1.0% 1181222 proc-vmstat.nr_file_pages 41310 +2.1% 42196 proc-vmstat.nr_kernel_stack 279620 +4.1% 291007 proc-vmstat.nr_shmem 226450 -43.4% 128195 proc-vmstat.nr_slab_unreclaimable 481639 +2.6% 494200 proc-vmstat.nr_zone_active_anon 89251914 ± 3% +7.3% 95746015 ± 3% proc-vmstat.numa_hit 87248173 ± 3% +7.5% 93770181 ± 3% proc-vmstat.numa_local 1.169e+08 ± 2% -15.8% 98422922 ± 3% proc-vmstat.pgalloc_normal 1.024e+08 ± 2% +6.9% 1.095e+08 proc-vmstat.pgfault 1.161e+08 ± 2% -16.0% 97515011 ± 3% proc-vmstat.pgfree 0.73 +0.0 0.76 perf-stat.i.branch-miss-rate% 1.795e+08 +5.7% 1.897e+08 perf-stat.i.branch-misses 39.65 -2.8 36.83 perf-stat.i.cache-miss-rate% 1.485e+09 +7.2% 1.592e+09 perf-stat.i.cache-references 188846 +7.1% 202265 perf-stat.i.context-switches 4.35 -1.1% 4.30 perf-stat.i.cpi 50615 +8.6% 54987 perf-stat.i.cpu-migrations 18.17 +8.4% 19.69 perf-stat.i.metric.K/sec 1682096 ± 2% +6.7% 1795278 perf-stat.i.minor-faults 1682116 ± 2% +6.7% 1795306 perf-stat.i.page-faults 0.71 +0.0 0.74 perf-stat.overall.branch-miss-rate% 39.60 -2.9 36.74 perf-stat.overall.cache-miss-rate% 4.38 -1.1% 4.33 perf-stat.overall.cpi 0.23 +1.1% 0.23 perf-stat.overall.ipc 1.75e+08 +5.6% 1.847e+08 perf-stat.ps.branch-misses 1.454e+09 +6.9% 1.555e+09 perf-stat.ps.cache-references 184886 +6.9% 197661 perf-stat.ps.context-switches 49237 +8.5% 53411 perf-stat.ps.cpu-migrations 1646954 ± 2% +6.5% 1754401 perf-stat.ps.minor-faults 1646973 ± 2% +6.5% 1754428 perf-stat.ps.page-faults 0.14 ± 12% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach 1.86 ± 55% -95.6% 0.08 ± 56% perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_node_noprof.alloc_slab_obj_exts.allocate_slab.___slab_alloc 0.07 ±115% -100.0% 0.00 perf-sched.sch_delay.avg.ms.__cond_resched.__kmalloc_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach 0.03 ± 30% -89.1% 0.00 ± 30% perf-sched.sch_delay.avg.ms.__cond_resched.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap 0.02 ± 43% -69.1% 0.01 ± 33% perf-sched.sch_delay.avg.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput 0.47 ± 8% -16.7% 0.39 ± 5% perf-sched.sch_delay.avg.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity 0.27 ± 47% -69.6% 0.08 ± 97% perf-sched.sch_delay.avg.ms.__cond_resched.__wait_for_common.wait_for_completion_state.kernel_clone.__x64_sys_vfork 0.26 ± 27% -40.1% 0.15 ± 7% perf-sched.sch_delay.avg.ms.__cond_resched.copy_page_range.dup_mmap.dup_mm.constprop 0.27 ± 16% -43.3% 0.15 ± 26% perf-sched.sch_delay.avg.ms.__cond_resched.down_write.anon_vma_clone.anon_vma_fork.dup_mmap 0.23 ± 10% -26.2% 0.17 ± 9% perf-sched.sch_delay.avg.ms.__cond_resched.down_write.dup_mmap.dup_mm.constprop 0.03 ± 41% -86.7% 0.00 ± 32% perf-sched.sch_delay.avg.ms.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap 0.04 ± 69% -93.6% 0.00 ± 62% perf-sched.sch_delay.avg.ms.__cond_resched.down_write.unlink_file_vma_batch_process.unlink_file_vma_batch_add.free_pgtables 0.56 ± 49% -75.3% 0.14 ± 39% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 0.25 ± 7% -21.0% 0.19 ± 8% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.anon_vma_fork.dup_mmap.dup_mm 0.43 ± 44% -86.3% 0.06 ± 55% perf-sched.sch_delay.avg.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.mm_init.dup_mm 0.01 ± 76% +13586.7% 1.03 ± 72% perf-sched.sch_delay.avg.ms.__cond_resched.process_one_work.worker_thread.kthread.ret_from_fork 0.09 ± 44% -76.0% 0.02 ± 26% perf-sched.sch_delay.avg.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.39 ± 52% -75.9% 0.10 ± 20% perf-sched.sch_delay.avg.ms.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 0.09 ± 21% -30.0% 0.06 ± 20% perf-sched.sch_delay.avg.ms.anon_pipe_read.fifo_pipe_read.vfs_read.ksys_read 0.02 ± 4% -47.3% 0.01 perf-sched.sch_delay.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 0.20 -12.8% 0.17 ± 3% perf-sched.sch_delay.avg.ms.do_wait.kernel_wait4.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.22 ± 26% -52.3% 0.10 ± 29% perf-sched.sch_delay.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_poll 0.02 ± 12% -55.8% 0.01 ± 16% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma 0.07 ± 10% -24.5% 0.05 ± 14% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_clone 0.07 ± 6% -22.6% 0.05 ± 13% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_fork 0.01 ± 20% -57.3% 0.01 ± 6% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 0.10 ± 18% -27.5% 0.07 ± 10% perf-sched.sch_delay.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 0.44 ± 4% -20.2% 0.35 ± 2% perf-sched.sch_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 8.47 ± 85% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach 10.95 ± 57% -95.9% 0.45 ± 59% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_node_noprof.alloc_slab_obj_exts.allocate_slab.___slab_alloc 0.34 ±160% -100.0% 0.00 perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach 17.30 ± 16% -86.0% 2.42 ± 65% perf-sched.sch_delay.max.ms.__cond_resched.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap 8.99 ± 57% -81.2% 1.69 ± 22% perf-sched.sch_delay.max.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput 36.94 ± 97% -90.9% 3.35 ± 9% perf-sched.sch_delay.max.ms.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity 0.67 ± 47% -75.4% 0.16 ±148% perf-sched.sch_delay.max.ms.__cond_resched.__wait_for_common.wait_for_completion_state.kernel_clone.__x64_sys_vfork 26.40 ± 89% -69.8% 7.96 ± 67% perf-sched.sch_delay.max.ms.__cond_resched.copy_page_range.dup_mmap.dup_mm.constprop 36.26 ± 33% -70.8% 10.58 ±109% perf-sched.sch_delay.max.ms.__cond_resched.down_write.anon_vma_clone.anon_vma_fork.dup_mmap 10.02 ± 42% -86.2% 1.38 ± 6% perf-sched.sch_delay.max.ms.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap 11.63 ± 51% -92.3% 0.89 ± 39% perf-sched.sch_delay.max.ms.__cond_resched.down_write.unlink_file_vma_batch_process.unlink_file_vma_batch_add.free_pgtables 13.19 ± 50% -88.0% 1.58 ± 44% perf-sched.sch_delay.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 9.58 ± 68% -91.3% 0.83 ± 49% perf-sched.sch_delay.max.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.mm_init.dup_mm 0.01 ± 83% +17570.0% 1.47 ± 76% perf-sched.sch_delay.max.ms.__cond_resched.process_one_work.worker_thread.kthread.ret_from_fork 13.57 ± 16% -89.9% 1.37 ± 65% perf-sched.sch_delay.max.ms.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 13.09 ± 35% -80.8% 2.51 ± 59% perf-sched.sch_delay.max.ms.__cond_resched.wp_page_copy.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 23.68 ± 15% -82.9% 4.05 ± 33% perf-sched.sch_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 3.16 ± 15% +26.9% 4.01 ± 7% perf-sched.sch_delay.max.ms.io_schedule.folio_wait_bit_common.filemap_fault.__do_fault 4.74 ±147% +499.9% 28.44 ± 59% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pcpu_alloc_noprof 22.00 ± 24% -86.8% 2.90 ± 43% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma 19.90 ± 9% -85.2% 2.95 ± 29% perf-sched.sch_delay.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 26.25 ± 10% -75.7% 6.37 ± 12% perf-sched.sch_delay.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 29.41 ± 22% -78.6% 6.29 ± 19% perf-sched.sch_delay.max.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm 0.13 ± 3% -14.3% 0.11 ± 3% perf-sched.total_sch_delay.average.ms 554.44 ± 80% -84.6% 85.42 ± 13% perf-sched.total_sch_delay.max.ms 2379 ± 19% +49.8% 3565 ± 24% perf-sched.total_wait_and_delay.max.ms 2379 ± 19% +49.8% 3564 ± 24% perf-sched.total_wait_time.max.ms 0.08 ± 30% -87.6% 0.01 ± 15% perf-sched.wait_and_delay.avg.ms.__cond_resched.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap 4.97 ± 2% -8.4% 4.56 perf-sched.wait_and_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.anon_vma_fork.dup_mmap.dup_mm 0.04 ± 4% -46.9% 0.02 ± 3% perf-sched.wait_and_delay.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 0.10 ± 4% -33.6% 0.06 ± 4% perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma 0.08 ± 10% -35.0% 0.05 perf-sched.wait_and_delay.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 5676 ± 2% -10.9% 5057 perf-sched.wait_and_delay.count.__cond_resched.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap 5076 -11.4% 4498 ± 2% perf-sched.wait_and_delay.count.__cond_resched.kmem_cache_alloc_noprof.anon_vma_fork.dup_mmap.dup_mm 1072 ± 15% -57.1% 460.33 ± 13% perf-sched.wait_and_delay.count.__cond_resched.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 4236 ± 8% +29.2% 5471 ± 10% perf-sched.wait_and_delay.count.io_schedule.folio_wait_bit_common.filemap_fault.__do_fault 102.00 ± 29% +39.7% 142.50 ± 15% perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_poll 2.17 ±223% +2.1e+05% 4619 ± 12% perf-sched.wait_and_delay.count.schedule_preempt_disabled.__mutex_lock.constprop.0.pcpu_alloc_noprof 11630 ± 5% -12.4% 10192 ± 7% perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma 24971 ± 4% -9.2% 22682 ± 2% perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.anon_vma_clone 22567 ± 2% -9.3% 20475 ± 2% perf-sched.wait_and_delay.count.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 37.53 ± 12% -84.8% 5.69 ± 48% perf-sched.wait_and_delay.max.ms.__cond_resched.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap 7.92 ±223% +839.2% 74.40 ± 30% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pcpu_alloc_noprof 45.50 ± 23% -86.0% 6.35 ± 35% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma 39.97 ± 9% -83.3% 6.69 ± 22% perf-sched.wait_and_delay.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 4.05 ± 50% -77.4% 0.92 ± 64% perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_cache_node_noprof.__get_vm_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 0.01 ± 42% -100.0% 0.00 perf-sched.wait_time.avg.ms.__cond_resched.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach 0.05 ± 29% -86.9% 0.01 ± 11% perf-sched.wait_time.avg.ms.__cond_resched.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap 0.04 ± 30% -73.8% 0.01 ± 20% perf-sched.wait_time.avg.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput 0.05 ± 34% -85.3% 0.01 ± 36% perf-sched.wait_time.avg.ms.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap 0.07 ± 50% -89.2% 0.01 ± 27% perf-sched.wait_time.avg.ms.__cond_resched.down_write.unlink_file_vma_batch_process.unlink_file_vma_batch_add.free_pgtables 2.74 ± 49% +78.9% 4.90 ± 24% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.mas_dup_build.constprop.0 1.52 ± 12% +32.6% 2.02 ± 14% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.prepare_creds.copy_creds.copy_process 1.29 ± 9% -21.5% 1.01 ± 7% perf-sched.wait_time.avg.ms.__cond_resched.mutex_lock.perf_event_exit_task.do_exit.do_group_exit 3.12 ± 4% +9.4% 3.41 ± 3% perf-sched.wait_time.avg.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.__percpu_counter_init_many.mm_init 0.02 ± 4% -48.1% 0.01 ± 4% perf-sched.wait_time.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 0.55 ± 19% -38.1% 0.34 ± 41% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi.[unknown] 0.08 ± 4% -28.8% 0.06 ± 4% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma 0.06 ± 9% -29.7% 0.04 perf-sched.wait_time.avg.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas 34.86 ± 44% -80.5% 6.80 ± 49% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_cache_node_noprof.__get_vm_area_node.__vmalloc_node_range_noprof.__vmalloc_node_noprof 3.98 ± 62% -100.0% 0.00 perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_cache_node_noprof.alloc_fair_sched_group.sched_create_group.sched_autogroup_create_attach 23.75 ± 25% -81.5% 4.40 ± 23% perf-sched.wait_time.max.ms.__cond_resched.__put_anon_vma.unlink_anon_vmas.free_pgtables.exit_mmap 12.62 ± 54% -83.7% 2.06 ± 20% perf-sched.wait_time.max.ms.__cond_resched.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput 12.65 ± 29% -74.1% 3.27 ± 36% perf-sched.wait_time.max.ms.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap 14.23 ± 33% -85.1% 2.12 ± 49% perf-sched.wait_time.max.ms.__cond_resched.down_write.unlink_file_vma_batch_process.unlink_file_vma_batch_add.free_pgtables 26.52 ± 54% -58.3% 11.06 ± 10% perf-sched.wait_time.max.ms.__cond_resched.kmem_cache_alloc_noprof.alloc_pid.copy_process.kernel_clone 21.46 ± 31% -79.3% 4.44 ± 50% perf-sched.wait_time.max.ms.__cond_resched.mutex_lock.perf_event_exit_task.do_exit.do_group_exit 36.27 ± 38% -61.4% 14.00 ± 27% perf-sched.wait_time.max.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.__percpu_counter_init_many.mm_init 43.85 ± 20% -52.4% 20.88 ± 63% perf-sched.wait_time.max.ms.__cond_resched.uprobe_start_dup_mmap.dup_mm.constprop.0 1.21 ± 30% -65.9% 0.41 ± 86% perf-sched.wait_time.max.ms.exit_to_user_mode_loop.ret_from_fork.ret_from_fork_asm.[unknown] 3.06 ± 38% +816.6% 28.04 ± 89% perf-sched.wait_time.max.ms.io_schedule.folio_wait_bit_common.filemap_fault.__do_fault 11.39 ± 63% +393.7% 56.25 ± 18% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pcpu_alloc_noprof 26.67 ± 14% -83.3% 4.45 ± 13% perf-sched.wait_time.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.__put_anon_vma 24.94 ± 26% -82.1% 4.48 ± 5% perf-sched.wait_time.max.ms.schedule_preempt_disabled.rwsem_down_write_slowpath.down_write.unlink_anon_vmas Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki