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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44A9BC25B75 for ; Mon, 20 May 2024 02:43:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B86136B0089; Sun, 19 May 2024 22:43:57 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B0EDF6B008A; Sun, 19 May 2024 22:43:57 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 960C96B008C; Sun, 19 May 2024 22:43:57 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 757C76B0089 for ; Sun, 19 May 2024 22:43:57 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 24189C0AC8 for ; Mon, 20 May 2024 02:43:57 +0000 (UTC) X-FDA: 82137229314.01.BB2C0D5 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by imf12.hostedemail.com (Postfix) with ESMTP id DDE3840002 for ; Mon, 20 May 2024 02:43:52 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=UP5HLC+F; dmarc=pass (policy=none) header.from=intel.com; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}"); spf=pass (imf12.hostedemail.com: domain of oliver.sang@intel.com designates 198.175.65.10 as permitted sender) smtp.mailfrom=oliver.sang@intel.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1716173033; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=QBSSV7B442wsIyMD1KBRGIdVDSkiThYXGjSNKaInJPU=; b=iQs9BXuScCoWlsLz0B2E7cFRBYwLDcR7dZGEytRrOw0jd6kx1OggmcRyirLqURY7wcZXr/ w6WHcw4ovvxjmbZ1O4Z9HMjqJLV9RHjAUzQBak/MTicXutC1XROlCZ/nOwPKyqqgbEwZNx f6Vx97noFRAzIkmPdV+FG5zQJK6b3jY= ARC-Authentication-Results: i=2; imf12.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=UP5HLC+F; dmarc=pass (policy=none) header.from=intel.com; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}"); spf=pass (imf12.hostedemail.com: domain of oliver.sang@intel.com designates 198.175.65.10 as permitted sender) smtp.mailfrom=oliver.sang@intel.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1716173033; a=rsa-sha256; cv=fail; b=3yZtx5mOGFE9BkINHlsIUrwBl0cZKVP7/4u63mGkAM5wK6IAEdqXSX2QSBIeeGl3/kYBgG KzOZ9NpjI1dEw5MdvkAjdBBnBNAJPPZMkxOjEfRxTgdHwGCbjlpsru8BI42zo234PgXG/1 ZSvChCC2eMrvBdgXZlDOKRJN4YUcaxM= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716173033; x=1747709033; h=date:from:to:cc:subject:message-id:references: in-reply-to:mime-version; bh=D5F4hQDvFO0pABdP+uQbteSKNSM2k2cUiotweapDTMU=; b=UP5HLC+Fso4xGCh3kXwgMPT0F7EFS476zguowj6AYPU7Bc+vmbwRufbl Yhc6Mi0ixyPo2l+6TlSwWBRudDXoaxjgGpGEntKqvibG68q40/ejTiJcT eH0GWqFO20XYEXE9E8P8CGyMeYvqaqCCIVaHjgdSEOxu9WCYJjOCG/LSs 8ElvPVpnvfM6+pdAGqcCocBwJdRUwh95SAkcBg8qrmhLiVMEn72NX1+Y7 QexTjU9ZYDCx0k9Yd5bi93GfHuftLbporctgal3+OJYASDTCdXJuLLd01 9BCSkJ6FNwlYxccpgJStwTSk7igFxIZYPOpK+9RxHA4rGYLD1vmela0Ah g==; X-CSE-ConnectionGUID: lSQmfdTQQratrtF9HQF06w== X-CSE-MsgGUID: UEuZ1cHRR/2PVqFgc9fbgA== X-IronPort-AV: E=McAfee;i="6600,9927,11077"; a="29793653" X-IronPort-AV: E=Sophos;i="6.08,174,1712646000"; d="scan'208";a="29793653" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2024 19:43:51 -0700 X-CSE-ConnectionGUID: Hmlult42SnSH4CVMqflnqQ== X-CSE-MsgGUID: yMLWvDVwT0yHhdm/uimFlA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,174,1712646000"; d="scan'208";a="36798339" Received: from orsmsx601.amr.corp.intel.com ([10.22.229.14]) by fmviesa005.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 19 May 2024 19:43:50 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Sun, 19 May 2024 19:43:50 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Sun, 19 May 2024 19:43:49 -0700 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) by orsmsx610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39 via Frontend Transport; Sun, 19 May 2024 19:43:49 -0700 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (104.47.57.168) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Sun, 19 May 2024 19:43:49 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=nH++CZtZNLig9PJaZ4+txfntjd7w5NJGZfcLjJiV3eHAnYC9oncGBwXb5qjRMP1WdRZVo672t4OIOkQWs0O7Y1zHtaKjcfLzmxm3GEjbBiXKGd9cj4yEFo9l4XWDSzrUqOpN3uUfW/rQCBK8nwefBuxkao5pTGpG++oz4kyLCe0hZCWp/1RxIwaME3gN3PmY1QhTJPJrtuhjJ8lxh19nwPGeU+Sz9rSIHQb6v5VXnGafj57ApSv8VuuSRDIGMy6mQg3QHgUwee+FRiPy6L9SSLIAb3udyKpoMOMErsvKDR819dqxQAaRx24WpaZ0EpxU2FOMTzHRWDZK6FTxzrLIdg== 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=QBSSV7B442wsIyMD1KBRGIdVDSkiThYXGjSNKaInJPU=; b=F0U8z1TEJpe/OciIvoq/ERjK27fQNbJBR9ZYhcWVi9p4Hd2wqLjUWfsUIVnX+JhlBShDpOek/6nG4FMoYQpLmGdf7tC3bgUdxvhxPV+HnE7p9I1+m+ZGQ59CJc/i89HPisxKE2EY5vOLJUSSnOk+U2Sna3KYTLbr5C5uL+RTm4Wn1wYqFE5xfGWNvuXpFIuQQwNTxcodN2MT3elvGOah1nDw6F2SmBm4zGpO7xmAeIpvigT4y224SunKjpJ8pYg6vt1pFTGYwaCAG1QXTfrPUtJ76KnIkMgTqWwS8rRB3gmpUrcrOx/amPjNuzpfxYk+Jb0o+F15SFCx2zz6JX/H4Q== 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 Received: from LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) by SJ2PR11MB8500.namprd11.prod.outlook.com (2603:10b6:a03:574::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7587.34; Mon, 20 May 2024 02:43:47 +0000 Received: from LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::4622:29cf:32b:7e5c]) by LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::4622:29cf:32b:7e5c%2]) with mapi id 15.20.7587.030; Mon, 20 May 2024 02:43:46 +0000 Date: Mon, 20 May 2024 10:43:35 +0800 From: Oliver Sang To: Shakeel Butt CC: , , Linux Memory Management List , Andrew Morton , Yosry Ahmed , "T.J. Mercier" , "Roman Gushchin" , Johannes Weiner , Michal Hocko , Muchun Song , , , , , Subject: Re: [linux-next:master] [memcg] 70a64b7919: will-it-scale.per_process_ops -11.9% regression Message-ID: References: <202405171353.b56b845-oliver.sang@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: KU1PR03CA0042.apcprd03.prod.outlook.com (2603:1096:802:19::30) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|SJ2PR11MB8500:EE_ X-MS-Office365-Filtering-Correlation-Id: b2bca993-6ce8-47a3-1f6a-08dc7876abcd X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|366007|376005|1800799015|7416005; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?wFvOpJYtAy3fj3uKmoWvB8Oe2UO0rJFxTlX9sXLBHQ7mk7eUBb/HGsVQ/iZB?= =?us-ascii?Q?7F/U+nw46BtRPJhYJnh1ZvmAGZjPGPKCh5UaV2CzYf1RQHAeWV9Zgy+f2wML?= =?us-ascii?Q?/yWxlcDKiPKK1hkEwCeBMD9y0AMhM2kpaPg5pD1pS5MYzGHUYa7hMaPdr10c?= =?us-ascii?Q?FxgG8KS+h2V8UVYv//WnlcZeYyYkALb3p/EeSOv2RILugW62uQ5eeW3JdLfR?= =?us-ascii?Q?MVBSQHZoOv/OHMfWxA9L9Q5V2brZtwkd7Js+OcTLzpGnEt4o4qH8ItyZadOI?= =?us-ascii?Q?qyAjT3G0jawIcrVIiP1GGRyEUBHWAkE4vJJKORM5lV7u93luVKxId9Sbb/mr?= =?us-ascii?Q?1e5SqxVK1mb8J4GVGzYDZYcRbQNHIQkiw/gj7ADg0w4zBVZfXiKgTN+ThYG9?= =?us-ascii?Q?Ne4pYMWoX8OGNs8FyHABscJ1djsC384QJZkRkpwyqTphdCBRw3vBXxDXn1E3?= =?us-ascii?Q?3r1sahhO5x5xQM4GuKayk4c0K7SDZXeceMB9abRentUizXIXa3LuoXWxaxV0?= =?us-ascii?Q?3F45ISI187Pj66oDkF7hTvouT1PstR3Q/DFvferB6AcV11ma4u4Abbu9USi5?= =?us-ascii?Q?T1tu65YkSlDE47YJugsdsvLH5Osay5ROlnGby/iaOvJ6VvjPNIqy5aR+hqlY?= =?us-ascii?Q?D+a0WMp0sHnB0XfI5oeNEcY99+7GFWDv+6PQP5agJTZqP9pCYOx2LcaIlRsr?= =?us-ascii?Q?m4PvJntJ8SFUh/+RZJW0bXoKKr0I4/HxfK2OWQ7uZhkQWNBsdRv5GEcxfIK0?= =?us-ascii?Q?MZEINfjU/NqLHdplBu87/uYEg1LeKNc9Hn3giVSbb3lJefZxlH7j2hSrBnpz?= =?us-ascii?Q?z5cF+ONEI0Wu21LWlJN3BNDPiIIuReORESRSMon4VgZTfC3CF+TqDzDO4b7s?= =?us-ascii?Q?/eXq9D4ETglRyUT+8YVetK9Aetbtj62QkQikH6KS5ggOTfvsdkS9dUsx85t6?= =?us-ascii?Q?IZWOhg7SfVWYyctVfVJVsgr10OgXV1gh4T5iFh3wNtny9EPs/mINb4J8DtbH?= =?us-ascii?Q?xggDKu2Feijz7DxXtI6Zjp/XxhrO+uzySn85dEDTeKGRJiH4RBJpRA7eWKZL?= =?us-ascii?Q?RKMrS71OKYn87pxm0h9lTPuuzrMcBlGniYkrFkb+y1rBdJzcnhWTJ3/voUUV?= =?us-ascii?Q?02vA620SHZBkh+Um8vlquR4PDhLfhGxfk6QrTqrZ66HE3blKJtPXFMMFc5my?= =?us-ascii?Q?Npc6EBf9xV7SbVm+LjAV5WjUK7oZquXF+pskK+fLmjsIVoIqTjcL8RFsFf4?= =?us-ascii?Q?=3D?= 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:(13230031)(366007)(376005)(1800799015)(7416005);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?X5XBJ9VTf4ehy73hwRytVAnH32PWclntfY3nopgy4mbmXIcUkCf5JGA9mofF?= =?us-ascii?Q?zgdbS6lumZBx5VCPybmP/6lL6JGiJiSTp4EfEzaa8hlVn9RKsOfKjnMFRs2x?= =?us-ascii?Q?YMzACgcwro8ZLHsdojqoyf50b84TwzylMzqyejE3YTxJZ5mCTWF09BpUMw/f?= =?us-ascii?Q?tM7HcpoI4+uKX/e7JneuvrF/KdRrkpE1OS5hYIfbvBe3b3JAyvFVF2sR+xyz?= =?us-ascii?Q?VAxRFKuqqRzCilyMDcO+qosatarJAkggvh9XdCie2UXb0re090aag1CyuKC3?= =?us-ascii?Q?nZV0qN5eKnatyis9409LGyrSLkneuQmjrsGkCVyuYROqUDo67x6eEna3kV0V?= =?us-ascii?Q?GEarDQkjpz/DaI+TtOoOEYwXlJZ4B13r0sJu0C6zoZ3HW73R3Z3jxbPFGhlN?= =?us-ascii?Q?47iC+l/pxIvDdeSkUIp44N9eE/VPI24qoh6L/YRziUQ9pYo08zg200XpMcwo?= =?us-ascii?Q?GZvjCAvKK9gs7e/JdTbNci38ZsvrzTVwInlnaEL30NLZKqDNCRiFGeY04D4V?= =?us-ascii?Q?UibBEL+5mmtmVIJfTN6fP7cnHjLsTaUHK93qgd9PmuOTPsVnG+flk8GMKT/Z?= =?us-ascii?Q?H4bk8jD7euPYoU224Tow1O32gDZdR8Y8l8FzI034b2rQ4JyrC5yGQpV19Zoe?= =?us-ascii?Q?9HmmOKhqxCRbiVVHvKOMIVLVa8MKMUxXVvwvsYVeZFSYu77Lx6smglBoR06x?= =?us-ascii?Q?w5/xpvqqI8ZaJefSPBxTQe81Krj9M9mJzc4yiUl3jUnpAyuyG+Efr4X+YBRv?= =?us-ascii?Q?h23LhewZ7TcjxGgmpzTmP/1R7gqmsMYXlhWgVU9+PpP2pAm5K8Ho/SnZzBNK?= =?us-ascii?Q?HKkL/pbFBAnbbtXkjFOnH3RU8M+SmLpjEgErW8uqcwfg4Yef5eGKK5/qPjzX?= =?us-ascii?Q?lyZZAthETcZs79Gj1A9X2QFs64oiVb35aXgoEvMns74HxelopHe03F93hRP/?= =?us-ascii?Q?NirAiD048o9i4nOJUp1WKghEUfQAigOLbw/LoD/y0t2m46hniTYqvIWUAsQA?= =?us-ascii?Q?zM5m/zdLo6CMLF71ee88Cv10HipXrkI5shUk0dEpeD6QrIJZ3Vq2e1ZDsxDB?= =?us-ascii?Q?F7KJbD2AaQUwNaR6PkE/I6fwBbXWy9qsZijEjpH3L5VKhNgBfzkX/RXgp680?= =?us-ascii?Q?NI73/cfK/wPfDTL6FwifPt8bghbhSVhNsN2a1YQtn7V/wzwk1F4tjI8oXGCf?= =?us-ascii?Q?dK3tHqCQ+vGLL67rJIOUyPNGs7R+/Qn1y7Tsbsnampg136v2x3QiknqVJ2Wg?= =?us-ascii?Q?RTXNyoDE9HEDnpn2J2bNwq64wtFTDuzZWfblzm910+zk+GzQzXmEUUBxQqJb?= =?us-ascii?Q?Mf7kJiSwbVhtsXirupwYsP+xTk5U+f+1lutTuX1ze5btvANV6mgWN9bfHWHX?= =?us-ascii?Q?D4m9UiTpA4XCCtHQFx1FNTzbupPwB/Q61VZY3hMnw5dvphJADalJ+81hLBBW?= =?us-ascii?Q?HWLVOt9TbkzBL79sQJGiVgRfAOGlVMhF+ZddN58YsQsy6gImmiaougbS3Wh0?= =?us-ascii?Q?Z7NApZWs768NcHr4Xlnm1gOsLnjqM15RLdaD1LbIolqSZoxzsTPf6uM0hmCO?= =?us-ascii?Q?HA0WsC0OOUOUjm1w9SoCCb16omi2ZnpkSBovvYM4sQszNzgPGYdTpZfrDCmv?= =?us-ascii?Q?rg=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: b2bca993-6ce8-47a3-1f6a-08dc7876abcd X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 May 2024 02:43:46.6819 (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: yGynRG2j4MgJusy90xUpNHanhm/0iKDKnBUtMKN7nAR1BSxCopmswI5tDcGy8IA+e1PxZYlmU6FXYpsUSfHmXg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR11MB8500 X-OriginatorOrg: intel.com X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: DDE3840002 X-Stat-Signature: dezsu6eg41e1k88dwezz6zyob6beqkkm X-HE-Tag: 1716173032-426187 X-HE-Meta: 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 mOlfrD3H 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: hi, Shakeel, On Sun, May 19, 2024 at 10:20:28AM -0700, Shakeel Butt wrote: > On Sun, May 19, 2024 at 05:14:39PM +0800, Oliver Sang wrote: > > hi, Shakeel, > > > > On Fri, May 17, 2024 at 11:28:10PM -0700, Shakeel Butt wrote: > > > On Fri, May 17, 2024 at 01:56:30PM +0800, kernel test robot wrote: > > > > > > > > > > > > Hello, > > > > > > > > kernel test robot noticed a -11.9% regression of will-it-scale.per_process_ops on: > > > > > > > > > > > > commit: 70a64b7919cbd6c12306051ff2825839a9d65605 ("memcg: dynamically allocate lruvec_stats") > > > > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > > > > > > > > > Thanks for the report. Can you please run the same benchmark but with > > > the full series (of 8 patches) or at least include the ff48c71c26aa > > > ("memcg: reduce memory for the lruvec and memcg stats"). > > > > while this bisect, ff48c71c26aa has been checked. it has silimar data as > > 70a64b7919 (a little worse actually) > > > > 59142d87ab03b8ff 70a64b7919cbd6c12306051ff28 ff48c71c26aaefb090c108d8803 > > ---------------- --------------------------- --------------------------- > > %stddev %change %stddev %change %stddev > > \ | \ | \ > > 91713 -11.9% 80789 -13.2% 79612 will-it-scale.per_process_ops > > > > > > ok, we will run tests on tip of the series which should be below if I understand > > it correctly. > > > > * a94032b35e5f9 memcg: use proper type for mod_memcg_state > > > > > > Thanks a lot Oliver. One question: what is the filesystem mounted at > /tmp on your test machine? I just wanted to make sure I run the test > with minimal changes from your setup. we don't have specific partition for /tmp, just use tmpfs tmp on /tmp type tmpfs (rw,relatime) BTW, the test on a94032b35e5f9 finished, still have similar score to 70a64b7919 ========================================================================================= compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase: gcc-13/performance/x86_64-rhel-8.3/process/100%/debian-12-x86_64-20240206.cgz/lkp-skl-fpga01/page_fault2/will-it-scale 59142d87ab03b8ff 70a64b7919cbd6c12306051ff28 ff48c71c26aaefb090c108d8803 a94032b35e5f97dc1023030d929 ---------------- --------------------------- --------------------------- --------------------------- %stddev %change %stddev %change %stddev %change %stddev \ | \ | \ | \ 91713 -11.9% 80789 -13.2% 79612 -13.0% 79833 will-it-scale.per_process_ops > > > > > > > thanks, > > > Shakeel > > >