From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 09D7938E125 for ; Thu, 26 Feb 2026 07:26:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=192.198.163.10 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772090798; cv=fail; b=bOg8DZ/5fC707b9P12LNj4Om4U9o+5S7RXOH69lT5lMjPG+WuVSJmPZzWcEkakIUg+86H1eORCgKX+eVgKZz4FqXq5J0vD+IobXzv5UwTrGNB8YcQACH9VUqLhANnR6pJg3J+C2kIjCYM7gy3Hbsfc+E1HxQe58UFewV7t7fwUY= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772090798; c=relaxed/simple; bh=hPIL4SqAzy5hYxPg9PjZH/h+07z4hM9ZjAPW5HfxZLo=; h=Date:From:To:CC:Subject:Message-ID:Content-Type: Content-Disposition:MIME-Version; b=Bnw8wulYMdLLhh0cawecZSgFBnTzxEzycaG/SWIyhtDkw8iVRyG8dQpwYL25VnpNMtbQAde/5NRF6Ik4l+zIoqzEbCRK+jLpUUuCfgisgznAIVy6g06/MFQaKFzTxCfK77kid3P7B1mzZ9M9KFIqepKY135KUJsW2h8IzlW/oGw= 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=PQp8NO3n; arc=fail smtp.client-ip=192.198.163.10 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="PQp8NO3n" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772090795; x=1803626795; h=date:from:to:cc:subject:message-id: content-transfer-encoding:mime-version; bh=hPIL4SqAzy5hYxPg9PjZH/h+07z4hM9ZjAPW5HfxZLo=; b=PQp8NO3n79es9qetfgP2sQzFx95j0+tF6rD0kxVUXfz8FjMwNdZ8mtLv hn5yuTnrVxBwellis8TLa3As2LAII8rHgMmOUXDJyz/siOMVwwL1gosXR K39iky9cYuUInlJwG33g9j6WOzZJ4KPJCVsHwfrIV/DzFWlfGq5Rv0cDd 5iR+i5xcezR+dgq0WL/ob1FoJkxE8q8j8ogg+9e566RBCbsDBVR6jU/7d cngKrTpjcH9PkMMeCXQifwtnK752eDXyxI631Sn8v7q8U0jv6xmrumXLV FgDXnE25u48nU66JGUdRzbc0qMt6PwlBZf2O1YnNSKk+dEWpTGDLqgXDm A==; X-CSE-ConnectionGUID: j3CCF9+hTxSJGcVMV61PGg== X-CSE-MsgGUID: opwQbMNsR72k2TJZrusuZg== X-IronPort-AV: E=McAfee;i="6800,10657,11712"; a="84500744" X-IronPort-AV: E=Sophos;i="6.21,311,1763452800"; d="scan'208";a="84500744" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Feb 2026 23:26:35 -0800 X-CSE-ConnectionGUID: nLE2Y9B4QKqItZsUp2alRw== X-CSE-MsgGUID: /493rF4zRkqyEVc8hWkA3g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,311,1763452800"; d="scan'208";a="221462891" Received: from orsmsx903.amr.corp.intel.com ([10.22.229.25]) by orviesa005.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Feb 2026 23:26:34 -0800 Received: from ORSMSX903.amr.corp.intel.com (10.22.229.25) 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 15.2.2562.37; Wed, 25 Feb 2026 23:26:33 -0800 Received: from ORSEDG902.ED.cps.intel.com (10.7.248.12) 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 15.2.2562.37 via Frontend Transport; Wed, 25 Feb 2026 23:26:33 -0800 Received: from BN1PR04CU002.outbound.protection.outlook.com (52.101.56.20) 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 15.2.2562.35; Wed, 25 Feb 2026 23:26:33 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=WgKdP+9wMzMbeyXwmjTco71SYIeP7IUIn280aTmd5Uhobj8KH6t6Z68c0JsQA++7ncFI8sB1THzxPzn26z3sJY/oz1s5+xwF0EHN7XDFNFhmQxgPwJQYA78lvkPf3aA6sz14HsTCq7EPruVGS1TpVi1xqdqaHI2LxBEOOAU1tN3VYknqYj6+gZYwPJdbWsK96olhW5Sjf4FrISRqdcODD+knBFRHZTK4dUavlYeb1Xz7Pko3EYla8swQpTxM0PNX4eS+HpttmpnQBbv9pCSjrCh+1SRgdqxhc3SHh5SqDx6YfAQLIgIfkHm5DontT2js8ZnWlA//kv8kTN3oQMm5qA== 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=aH17W20esjCWDSGIfY36znyukH7m1GW4RTpNNyMXLNI=; b=WgryYX/ijal3grpZkaB4zypUbs/k/Xa9ekwG/19XBAtnaqBVlShNLa2jBe8KcVCFzyuEKJRvCgv48I7RHQGjkFiHpiYduc8MfDafz9oR91X82ET4VrI0UWdFom17AX+zx8sUaowDzR9zk/gCGWi5nVlPBGYil6/CKr4B2MXoYkgyBQLicWKpDC0w5xGKLDX9k6nPfhW7qOKBBI3VlMRUj7KibKlLhNXGUyFQrJuYzpcAiYcAf4DeqCfwIqE0NsAVobKEXmF0E+tZ/iOBF5tREiBVeiK5T6uKJaRRuVFFs2YC4AQFYJwRzT6X8RP70TEMMi95IN/YpfVfGIDJhyT5Ug== 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 DS4PPF10012BF96.namprd11.prod.outlook.com (2603:10b6:f:fc02::a) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9632.21; Thu, 26 Feb 2026 07:26:26 +0000 Received: from LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::e4de:b1d:5557:7257]) by LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::e4de:b1d:5557:7257%5]) with mapi id 15.20.9632.017; Thu, 26 Feb 2026 07:26:26 +0000 Date: Thu, 26 Feb 2026 15:26:16 +0800 From: kernel test robot To: Vlastimil Babka CC: , , , Harry Yoo , Hao Li , "Suren Baghdasaryan" , Alexei Starovoitov , , Subject: [linus:master] [slab] 17c38c8829: will-it-scale.per_process_ops 60.5% regression Message-ID: <202602261526.dc2fdec-lkp@intel.com> Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: s-nail v14.9.25 X-ClientProxiedBy: SI2PR02CA0044.apcprd02.prod.outlook.com (2603:1096:4:196::17) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) Precedence: bulk X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|DS4PPF10012BF96:EE_ X-MS-Office365-Filtering-Correlation-Id: 634ea035-4f2c-4ac7-601b-08de750859fc 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: 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 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)(376014)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?iso-8859-1?Q?YnbfVBYWP/cGHs1NZTlZdYszUqYhqlxhGfMwp8TUxi+V0G2aWl0AD0ry3H?= =?iso-8859-1?Q?CTD32BWv9ndjnvrN4EZVTgGlwR3ugBvU3P7garETMDQp1u/eAJHExG8k7s?= =?iso-8859-1?Q?CXgxFnm0x/2Tjt+CfZQWXNSOLz3KtyxSkDRmtgRY3EX9b0tzmFHvAJwBu2?= =?iso-8859-1?Q?VDFD9O8Sj9Qzqy/NN0np4L0ydGHL/HvVRnr5BwpVdhsRSohTFXRLLdRJrD?= =?iso-8859-1?Q?XwLtvLEJ7ARoJ1Gd+U8ZXcAHwAwxnpagc+Akx3Rwoq/nZccLsFesXJcUtC?= =?iso-8859-1?Q?WUtBecntW/O3UDIP38vPGeMp58oLnm4wO2wLtrktbxzNQscocgDPo/2i1U?= =?iso-8859-1?Q?skapTM7BuDo9rq2mSDIWnOrbROE7Cyds1pPnjd1+6PrNtvmtVTeElHUWbk?= =?iso-8859-1?Q?ToDa/O+vJSmmT+auuHiqRH3OGMqKB79dTydLq44KyRRILVgunykCMdzcPX?= =?iso-8859-1?Q?m1lUuCiv35gb74qPTZU0GYOCQPmgPTK0ZNtObbyQzyrdKE+FHV4Vm3d9X7?= =?iso-8859-1?Q?iRqsl1y+DVzttMjPGM9K2UqjDYHZWAsIJyslS+/WEiwZfDu9I0PKDWh3wK?= =?iso-8859-1?Q?hGxRoM00jIlHjABdBycLda/sPbbQNBNNOBcU5hUCwMwWdXgtp73394fbCl?= =?iso-8859-1?Q?tGetf381TUpYuHDQj6twu2TfOpw1L/eLQ8a3eL5Jr9du1I037N5WSJx3nQ?= =?iso-8859-1?Q?Qt+4JAAZyKaQwFK807DYPSnqF6l0J34NARPMH9BFjmKsHt9r2+ZmZM13tq?= =?iso-8859-1?Q?/LEL2yM7yDS97wwh8VnVw1omCk0pvq+SiAZeJjOMGOGKcoP2ZvjdIyiRFw?= =?iso-8859-1?Q?2+MNz2zu5kQ7CoAuVyoA7u1kcRO8kfRacl69tUeS3JUFa05s0ZndgdJHNy?= =?iso-8859-1?Q?5V4SJ/T0Knhx0Sq+dF9iaSwqG1es9sEsmbe19E1p6ELTyDcha30AqqY0/A?= =?iso-8859-1?Q?3HbEdUVz6Pjy6Km6/32SjjcBrTfnk0OSd9eT/TciAm8m37P44Gm2Nxh+ey?= =?iso-8859-1?Q?KSdLyV3mV4qH3JO4Pd2j0niUhGfgweDmeHgrYM9AvrSN9vnUM6kH7qo8m5?= =?iso-8859-1?Q?OZxjlibTVJsO8sJXIPMLnDBlzNp0+1iikhsxIBHomJg7ZtMWQec9g2P3bI?= =?iso-8859-1?Q?uq5APDbdL/CkXNAIPLFXCW6CReRgAEQMmpKt6W86YhDFVij/zZbu4Ndxvn?= =?iso-8859-1?Q?DgMW56JlR3QNA4H2AFGr4OZPpaaDh4UB3tfVVKuUq/+uvlhgv6CuYpfI8G?= =?iso-8859-1?Q?bHMVWMQ9Bsn++oGsISONalSjID148C8NFnbcwXO5S8550bjd3gIckyj0d0?= =?iso-8859-1?Q?aJFPiYrSMLim0Sl+8GBoKx1JWjfEfgn+wyRTqLmYd9zvqscC774kRAWyh6?= =?iso-8859-1?Q?Aaayl0Z+L309pLD2Wgjw4E8oBGfuad5GqUl1Qiy+r1Mpntnp2Xu7cubPQ/?= =?iso-8859-1?Q?0hz1JYe6CD8zjvxLCkKy305TvFMiA9fmJ25Pa5DRKcjQhFPEE6OrEQYcLP?= =?iso-8859-1?Q?D5afAGm0jBkrKORNmvEgr5Lzgx18vR+QDr0UA1SM+CQPnTfhLQdOfFhynJ?= =?iso-8859-1?Q?c9NmQRDc/Avv7uDotuDuY9uj8yv39NMRcgax6Rv87hYPiAaLjV8JSQbn1k?= =?iso-8859-1?Q?A43NNiIyqNW1ktH0S6Hgj3TORTyh9131kB69zVUuw7EgIDl5C+pY0WkVsq?= =?iso-8859-1?Q?XkKBUEbMG3acBaR6C9B6xP+FM3pWj6E5vU/sr3emiE2Y+d0pvnhH3F8+bX?= =?iso-8859-1?Q?UE642cbhCq8eHKvn27Cpub0y3tJsQZMPx3Uy9at6gjQs1mm5peTC6/mcJD?= =?iso-8859-1?Q?hsQYajsagQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 634ea035-4f2c-4ac7-601b-08de750859fc X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Feb 2026 07:26:26.4110 (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: yrdtrDd3KtrPGW6x+rnBs3NA97epAwPNDGXrpUz0CSdQaT/OAeED3Zl8lSZ1c8weJ3IxT12cYCKj4p/Id3M2sA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PPF10012BF96 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a 60.5% regression of will-it-scale.per_process_ops on: commit: 17c38c88294d75506c67cae378c9e940d1ce55e3 ("slab: remove cpu (partial) slabs usage from allocation paths") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [still regression on linus/master 8bf22c33e7a172fbc72464f4cc484d23a6b412ba] [still regression on linux-next/master 44982d352c33767cd8d19f8044e7e1161a587ff7] testcase: will-it-scale config: x86_64-rhel-9.4 compiler: gcc-14 test machine: 48 threads 2 sockets Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz (Ivy Bridge-EP) with 64G memory parameters: nr_task: 100% mode: process test: brk1 cpufreq_governor: performance If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202602261526.dc2fdec-lkp@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260226/202602261526.dc2fdec-lkp@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase: gcc-14/performance/x86_64-rhel-9.4/process/100%/debian-13-x86_64-20250902.cgz/lkp-ivb-2ep2/brk1/will-it-scale commit: ed30c4adfc ("slab: add optimized sheaf refill from partial list") 17c38c8829 ("slab: remove cpu (partial) slabs usage from allocation paths") ed30c4adfc2b5690 17c38c88294d75506c67cae378c ---------------- --------------------------- %stddev %change %stddev \ | \ 22625956 -60.5% 8947026 will-it-scale.48.processes 471373 -60.5% 186395 will-it-scale.per_process_ops 22625956 -60.5% 8947026 will-it-scale.workload 20.65 -74.9% 5.19 vmstat.cpu.us 10502 ± 3% -87.0% 1366 ± 9% vmstat.system.cs 1.31 -0.1 1.20 mpstat.cpu.all.irq% 4.13 -1.9 2.21 mpstat.cpu.all.soft% 73.24 +17.4 90.61 mpstat.cpu.all.sys% 20.67 -15.3 5.36 mpstat.cpu.all.usr% 179.60 -4.1% 172.24 turbostat.CorWatt 0.39 -40.0% 0.23 ± 2% turbostat.IPC 211.17 -4.4% 201.86 turbostat.PkgWatt 21.36 -45.0% 11.76 turbostat.RAMWatt 0.07 ± 6% -38.7% 0.04 ± 9% perf-sched.sch_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 0.07 ± 6% -38.7% 0.04 ± 9% perf-sched.total_sch_delay.average.ms 18.17 ± 3% +262.0% 65.77 ± 8% perf-sched.total_wait_and_delay.average.ms 47429 ± 4% -84.9% 7139 ± 10% perf-sched.total_wait_and_delay.count.ms 18.10 ± 3% +263.2% 65.72 ± 8% perf-sched.total_wait_time.average.ms 18.17 ± 3% +262.0% 65.77 ± 8% perf-sched.wait_and_delay.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 47429 ± 4% -84.9% 7139 ± 10% perf-sched.wait_and_delay.count.[unknown].[unknown].[unknown].[unknown].[unknown] 18.10 ± 3% +263.2% 65.72 ± 8% perf-sched.wait_time.avg.ms.[unknown].[unknown].[unknown].[unknown].[unknown] 0.68 -83.8% 0.11 ± 6% perf-stat.i.MPKI 1.657e+10 -35.2% 1.073e+10 perf-stat.i.branch-instructions 0.27 ± 2% +0.1 0.34 ± 2% perf-stat.i.branch-miss-rate% 43387409 -17.1% 35980500 ± 2% perf-stat.i.branch-misses 38.35 -35.8 2.53 ± 6% perf-stat.i.cache-miss-rate% 56795946 -90.4% 5475678 ± 6% perf-stat.i.cache-misses 1.48e+08 +48.5% 2.198e+08 perf-stat.i.cache-references 10520 ± 3% -87.4% 1322 ± 9% perf-stat.i.context-switches 1.70 +65.9% 2.81 perf-stat.i.cpi 2499 +1000.8% 27508 ± 6% perf-stat.i.cycles-between-cache-misses 8.369e+10 -39.7% 5.048e+10 perf-stat.i.instructions 0.59 -39.7% 0.36 perf-stat.i.ipc 0.68 -84.0% 0.11 ± 6% perf-stat.overall.MPKI 0.26 +0.1 0.34 ± 2% perf-stat.overall.branch-miss-rate% 38.37 -35.9 2.49 ± 6% perf-stat.overall.cache-miss-rate% 1.70 +65.9% 2.81 perf-stat.overall.cpi 2500 +942.6% 26067 ± 6% perf-stat.overall.cycles-between-cache-misses 0.59 -39.7% 0.36 perf-stat.overall.ipc 1117006 +52.3% 1700887 perf-stat.overall.path-length 1.651e+10 -35.2% 1.069e+10 perf-stat.ps.branch-instructions 43243442 -17.1% 35861582 ± 2% perf-stat.ps.branch-misses 56607711 -90.4% 5457714 ± 6% perf-stat.ps.cache-misses 1.475e+08 +48.5% 2.191e+08 perf-stat.ps.cache-references 10485 ± 3% -87.4% 1318 ± 9% perf-stat.ps.context-switches 8.341e+10 -39.7% 5.031e+10 perf-stat.ps.instructions 2.527e+13 -39.8% 1.522e+13 perf-stat.total.instructions 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