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 2E278D11717 for ; Fri, 25 Oct 2024 07:52:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B95E36B008A; Fri, 25 Oct 2024 03:52:39 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B44646B0093; Fri, 25 Oct 2024 03:52:39 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9BE776B0095; Fri, 25 Oct 2024 03:52:39 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 7654C6B008A for ; Fri, 25 Oct 2024 03:52:39 -0400 (EDT) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 6EBADC03EE for ; Fri, 25 Oct 2024 07:52:18 +0000 (UTC) X-FDA: 82711356672.07.884ADF8 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by imf25.hostedemail.com (Postfix) with ESMTP id B839FA0006 for ; Fri, 25 Oct 2024 07:52:21 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=GeRntbtB; spf=pass (imf25.hostedemail.com: domain of oliver.sang@intel.com designates 198.175.65.21 as permitted sender) smtp.mailfrom=oliver.sang@intel.com; dmarc=pass (policy=none) header.from=intel.com; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1729842677; a=rsa-sha256; cv=fail; b=Ti9xuQU0nhRo++KY1l8ZUafDXLC8nd/UH56aTPoevskq8R734EiWj8mm+Fh8oqyQeCYMhd jx5DwkUDmDFdaoiRP6VwDRhyUcDCz09Gdj51Jk8tiQtCCwduM9GyPjlm+UNFxEoFcAfVFx KBUNjlzg7tuSPwwpn1n7Hx+oGA1/Z0M= ARC-Authentication-Results: i=2; imf25.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=GeRntbtB; spf=pass (imf25.hostedemail.com: domain of oliver.sang@intel.com designates 198.175.65.21 as permitted sender) smtp.mailfrom=oliver.sang@intel.com; dmarc=pass (policy=none) header.from=intel.com; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1729842677; 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:content-transfer-encoding:in-reply-to: references:dkim-signature; bh=6TICIg/VDVD+pJGj/r5bCrMjZ4VpXdnxgtOUv5Pr4T0=; b=uumZZse9UJVQdgtWdS+jdm4aUtWCWtDnMubEriz6AlXbVYc+Y1h6G07+NLI+m6THI5YJFa N7Y3vAbdYUNJ7qIVb1ezjHa2gvQKAkx+ci9p6zRzLZfKAFMC56R/20HYGbMHrdGwnI145R OeoflpIpTFjOhezO4wZ1YV2nuFdJvHw= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729842756; x=1761378756; h=date:from:to:cc:subject:message-id: content-transfer-encoding:mime-version; bh=4JnATHeffiQdMZxt0a0fAQHZN6pC8KLlLOHa0scxbos=; b=GeRntbtBKLEZdkXWH40xnES6pd9AYFSfn0KfL9a4hkBz11dm2Q5y8W06 rpXaqIKkISD6GxeOwfRUAjwBDB7OkoEEjXpax3bchdvR6fEO0WsHKiRXL Or4JLL0oCZ61VFNpz0Flhd7YN7K6Wq1UWaTsx6o0JP1yKhy7xli/mgf/H z2f6FaNR8I0SrJAJkVsq7z8oFEE5QDVDfV/gc/3taYUqQbJWFkQJRUYuA /GDA6iwuBdlyMUWQbB7L+DB6GDFZnquukWKj6KmlJuLg3tXF/7uTlZ4CL 9lbwMbX7LNLTeBIo2m5IXnYS6HcQ9Xj1WdeCklUXjcNMx2qe6xY8FX092 Q==; X-CSE-ConnectionGUID: tJdwIcs9R0qY5fv+b3vKgg== X-CSE-MsgGUID: yQFM/I8hQKWxVF475IjbWg== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="29447828" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="29447828" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2024 00:52:34 -0700 X-CSE-ConnectionGUID: 6rQfv1IzRw+2EfgMkGhsnQ== X-CSE-MsgGUID: QTiZLa7RT42FUsqXdi1skA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,231,1725346800"; d="scan'208";a="80950295" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by fmviesa008.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 25 Oct 2024 00:52:34 -0700 Received: from orsmsx601.amr.corp.intel.com (10.22.229.14) by ORSMSX603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 25 Oct 2024 00:52:20 -0700 Received: from ORSEDG602.ED.cps.intel.com (10.7.248.7) 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 via Frontend Transport; Fri, 25 Oct 2024 00:52:20 -0700 Received: from NAM04-MW2-obe.outbound.protection.outlook.com (104.47.73.177) by edgegateway.intel.com (134.134.137.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Fri, 25 Oct 2024 00:52:20 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Rqk7MfE1UrXVpBAcBZlZZenrKUY28TL3DwjFX+ZLGG0k+OCUaZotDQLTbhhVL2Xzac9YAfb07VUZxH7VxUZYyN6gagAVc0OPRY4+YOmpHMJn3fH0U1tzKX9IvxeSOAro09PZFrtHSmZ1YLdrnFzsWxQZDSJpRMFhoBGRAUrtfJAuDxIDpsNCGR+odppRXCalOBeTJwdCyWpFhsyavfF5RSq42pxF5O5TaydhyM9/HTY3nE3RPLwPfIWPn3A5QPk+h21MqrkrWpbbKld7agSG7oEB1kkCXUFTxjwU2Y8wZqg28yyIcXvoh7ppCsA3edCApEWZVawbwgyrc7XzJ3Y/lw== 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=XrMxvdUFQ90XbN2ldEF2t8gUH1X1Yi29ySmmFs6WEVk=; b=D/6rcvFUF5KTS3iRiKK5dFIx2/ORXrZ6eH1ASjm806KwkCrXjwPlOvV9Bl4zKnfYxLqfu8LAi8tTY6PQ8u+PtkmJlVVCLJVBQhdJh4+ylg4CqFbY8kI7IzK+h0Zd2YXsTsEuuL64HALLwbMo2VdOONZHy1IOrz22Y9BOeeMSJimff+TpNPdz9B/N2IvaaqqisWQc9qEkhtpkgJp4PPZQu995VRyXuXIODtlqogu5307qbsnRi69fMYVrf45K5qTATiVLRMPg6l14vQwAlEO90253hCHk8Vo9dc4g19l2AdKCsccnOLArq1MKbFwv0EvtExfM2IElqJnCS6zJUrK1Sw== 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 LV1PR11MB8817.namprd11.prod.outlook.com (2603:10b6:408:2b4::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8093.20; Fri, 25 Oct 2024 07:52:18 +0000 Received: from LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::4622:29cf:32b:7e5c]) by LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::4622:29cf:32b:7e5c%5]) with mapi id 15.20.8093.018; Fri, 25 Oct 2024 07:52:18 +0000 Date: Fri, 25 Oct 2024 15:52:07 +0800 From: kernel test robot To: Mathieu Desnoyers CC: , , , , Peter Zijlstra , Marco Elver , , , , , , , Subject: [tip:sched/core] [sched] 7e019dcc47: stress-ng.sigtrap.ops_per_sec 7.6% improvement Message-ID: <202410251556.76e29ea8-oliver.sang@intel.com> Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SI1PR02CA0058.apcprd02.prod.outlook.com (2603:1096:4:1f5::9) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|LV1PR11MB8817:EE_ X-MS-Office365-Filtering-Correlation-Id: 94aca135-05f5-4946-6996-08dcf4c9f2c2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014; X-Microsoft-Antispam-Message-Info: =?iso-8859-1?Q?hJGS9GbmMrJiJFGLJEE6SBpxJLOmOk8plOmDIx4FeDfJu7DC8sO7e6Vfzd?= =?iso-8859-1?Q?OymMT5rwy9cGffhMiCzyiunIi1PvwcQgl1hbd/GDPNqlFH0M1+2diJczIk?= =?iso-8859-1?Q?Cw149xvriNkD33v+Fxx0gQnlzsxeSbmoUqbIRvNeLWbmkJz2eK6tTar6FC?= =?iso-8859-1?Q?x4D623d1hvnJv4vLfGmu3Xo/Mw9EJTr3WLaV/0TTV4+ij4iTNIf9m7+Xrj?= =?iso-8859-1?Q?7EPXgoYhvgQ8kcJU2DebctfqXw3/cGEAhMnvloGJY4lgcmFbFIuqMDzgb1?= =?iso-8859-1?Q?cmiRp/8TCM9JLm4D9dobmVQIqGMcNTAmf8aWTscPQ+fHCyH9LxUgHlJBE0?= =?iso-8859-1?Q?9Eo40fKj19qQgrIcwTkRW9dIemOYhwCtNwdvZCVJ9Xrm/6MCnOtvRZ0zS7?= =?iso-8859-1?Q?FHusyCpOQIpO0944dT70G8iQeFJq/KWGrI2uE2Qh8hcn9vzVL7tYUkPsAF?= =?iso-8859-1?Q?sBePywWBRurdQRvgtlpyn/gzdkmLzGPA0vpnE7q2KTiBUxDI8iNLirLp+h?= =?iso-8859-1?Q?Av15dra9jyOfVWA3GMuJzaadZ/yRM6A8IGhcv2I9yRmw/Pyfzqq+cGgcUj?= =?iso-8859-1?Q?OmkiLqZ0H0RNBKNvPy2lkQmcvJMMGmSVwBTTWluuL7AXUo2ZBKrtcj8ofx?= =?iso-8859-1?Q?95zUvGVyDvY9jE1+kKfNEkX4wQ2E3SkZILbvF3WfyouPymSNTrPYM0cy/4?= =?iso-8859-1?Q?F7NKGJ8P5Mdftq0Qqyoe5li7+8T4PPMFYeeFzkAlX3Q/SAY+d7jZWYsLn6?= =?iso-8859-1?Q?CobWVoBzcwhJTDtUw+h5Px6gS1hB7avN41jA4uQsw/STVa0UcnbSXP9c8q?= =?iso-8859-1?Q?BE82uVYha1uA2jD4rr7P4lDQJv71mEoX6OQDdI74Q6AVbpeUJXWzlT5Xk4?= =?iso-8859-1?Q?Ca5MxtgDBF6CqGaD0l01ic5ol8ogye8qfwxg3F33kjU9GpLrxKw3QUi5xp?= =?iso-8859-1?Q?k27KQQIPf2utq9OhwrbxQSOYhL2B4Oo8hfEY2o2c8e0ExGQiUUoZJw8rC/?= =?iso-8859-1?Q?hMtubDWMgUDZBIit46evHE80AmXNmjzBd+PNs4aVNQS8A1ut1/VjeL5Ine?= =?iso-8859-1?Q?qOPDfMKIjXd01SaUw6Gb7FxSB3ANIG6GYLszVX3jPXJyugGMwWGTELH/gR?= =?iso-8859-1?Q?yudrlg5Kfw7kE4y2kVOkkOM+LFOw26gjc2j7sPcpfRMX+LqR5S7DSP4xIt?= =?iso-8859-1?Q?18W8VhrKrZu/VNgNhZ05/v++aX/nMNnLs9ozeTUlMdCRxPuhYtadd3lcho?= =?iso-8859-1?Q?O+9Yptl4Rj3spufOB2Bi5OvXr/kR6axTDAbnW15CbAGW1t0Ye3C5Q7dK97?= =?iso-8859-1?Q?ktNDMVq/SCk5YkYYecSftrZXgg=3D=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:(13230040)(1800799024)(366016)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?iso-8859-1?Q?yPIsPaLaKEcdiQSZOBmpnV9Gzw70+6jAFgn0NuICY86bynXwek9xOa0LHu?= =?iso-8859-1?Q?lRQcwRggoQwnzftA9shJdi+uf+35koLGr0gEmw6OFoeyScFGLHimMnO5Cp?= =?iso-8859-1?Q?uD6Q7lDDYaQAsNHMU1npoNDs/dg3LHdMUZMnEr/uWL/ON4L3YtSuARTnG4?= =?iso-8859-1?Q?dDnumzTeyKlY+XzpcOk84WSDgcVoCJ8k7nz4M5Dp8D/8LphMJf+hcXeXaW?= =?iso-8859-1?Q?xxbSCsT9t9XZWh8j2UJVYA68hiVTLH80wgE0at+mEAg2Ufv1yVmLDqlu8L?= =?iso-8859-1?Q?9ew9okMhdSSh0TaLSdiYeIlJnqfNq6fCguBHJi1e1w3O36ws7/g4rDO4rT?= =?iso-8859-1?Q?ljXqnFthRp34DLR83jd5rWev/KT5v2vSHy5xkRfJh61jihYBXoJljukuWP?= =?iso-8859-1?Q?QZnr//DEwLHihK7wE2H8Xq1V2l2ci3wOohUU2lFz0K/523AFD9NE/bQKaW?= =?iso-8859-1?Q?0vrD/vZ3l/KkBJHgxoq2q1ZpNscPoDXCp+IVYsZSd4F0H9kmD7GBzsJSq2?= =?iso-8859-1?Q?x4fsj5DWV1b/ruj+mFbUoYLePVBgwgQ+hdb8Hjazx9X033kVDGJzU5Aj6c?= =?iso-8859-1?Q?/XlE02SH5Ugosvo107rAdlDNt1Cm4VtAxNl8J1hm4mlGCxW14wkTQC+TUL?= =?iso-8859-1?Q?NlXUSSug5PbIRk6xKQTylKatAk+hB8MIRoN0Prp4IN5495g5/TRO3fkiKg?= =?iso-8859-1?Q?qvTx/iRjjynbmtkNkliwSPFj4Nj+eYds+qwdt0Q/nbGZx244tK4HaemNhU?= =?iso-8859-1?Q?pBdMARFEDkbOUwGxxzoD5nPCdoQ8Cb73FjNdwvuCM1VFsdyu/7uLs1dC+x?= =?iso-8859-1?Q?6q1zEOX62m0GUf2YIV3spbxKVJ6o+xWwhnFTkPBkKfpRPK/hX+3TjisSFV?= =?iso-8859-1?Q?xDgfNzT6mPR3Rp4zqnMxfVe3t77zFuIVF4/suqBeb1hHQgrBCiZbTg3LZm?= =?iso-8859-1?Q?NVTlYDbISb989XnDu+NKXxUmsMz+ecOe6Gv4a6/w4zLhemJRp1/iqhgNYs?= =?iso-8859-1?Q?G/34yVmU1Y0xXEpnRArBDWkorKRSfYbkGfcnPF8+wn0HbPqFgiXnS0iA+Z?= =?iso-8859-1?Q?3JYee1tVCussdlSiguWUYPpDMqqgRo4YQtzMF1KT94ab7+1ayIsVL8n/0I?= =?iso-8859-1?Q?rqSiFH9Tyuk97o9cPv5yubrpI0g0pqLCe7h28WMAJRSDFbWDD8pF5bS3lf?= =?iso-8859-1?Q?/QxHdlnCYdb5RKKkTdDfwoRgWjltIjZtoXc9cma35X+fL2zFVW/jjkt0Mi?= =?iso-8859-1?Q?PQJlLo/jgTPimbydhgjDzGqN6FO5wZ8CuHjp/9JAqP0Rx5ZyNVyn8Oi0r9?= =?iso-8859-1?Q?DAz/6XmBkWIyO47BWSHtLgeL0JZG+GHDKjVw7FU1L9lF6/WKUslRAMmXrY?= =?iso-8859-1?Q?3VyZxHbfuvEt1xWtuL2bY/SVP0498DaotgrBQ9s7OC8LzfxEyajsNu9mQ4?= =?iso-8859-1?Q?gVKwAFLuLFW9PkVfDQ1R8LMdagIN3Mhq6R6WcbFPLLT7AsgPY7K1IOkBvP?= =?iso-8859-1?Q?MnBkyiy86ZTJ6AfL6ISk96bsw9uSk7d95ng4aLE+u+U1QTt8B1DmyPT+94?= =?iso-8859-1?Q?mysY3DQxzchNTXEFSWSIVdu1ih//tEozfw0nimOcMqUjtX+2Tx6aG2H3sC?= =?iso-8859-1?Q?0YByGQz4s9cYFzCMkFTIoFLyCGhBGyJ73xLkZzln9+hPOgkqrZHAtBhA?= =?iso-8859-1?Q?=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 94aca135-05f5-4946-6996-08dcf4c9f2c2 X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Oct 2024 07:52:18.1521 (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: Ci/JBYUenQBg9L48Uh6+NCLf/HujPWoLah6Vd7YKB9UzZaYqVSn0fJYNSdE/a9TpsB8w9m8tJZEMWHl29B95nQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV1PR11MB8817 X-OriginatorOrg: intel.com X-Stat-Signature: ekeapu47iggqzswxnkoibmzfp963mygp X-Rspamd-Queue-Id: B839FA0006 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1729842741-285940 X-HE-Meta: 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 n2+JItSh 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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: Hello, kernel test robot noticed a 7.6% improvement of stress-ng.sigtrap.ops_per_sec on: commit: 7e019dcc470f27066c98697e43d930df8d54bd9c ("sched: Improve cache locality of RSEQ concurrency IDs for intermittent workloads") https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git sched/core testcase: stress-ng config: x86_64-rhel-8.3 compiler: gcc-12 test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: nr_threads: 100% testtime: 60s test: sigtrap cpufreq_governor: performance Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20241025/202410251556.76e29ea8-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-12/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/sigtrap/stress-ng/60s commit: 8e113df990 ("sched: idle: Optimize the generic idle loop by removing needless memory barrier") 7e019dcc47 ("sched: Improve cache locality of RSEQ concurrency IDs for intermittent workloads") 8e113df990c9df70 7e019dcc470f27066c98697e43d ---------------- --------------------------- %stddev %change %stddev \ | \ 177050 -1.6% 174290 vmstat.system.in 13575 ± 2% -16.4% 11347 ± 12% perf-c2c.DRAM.remote 5367 ± 3% -18.3% 4383 ± 12% perf-c2c.HITM.remote 0.22 ± 55% +113.7% 0.48 ± 83% perf-sched.sch_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown] 1329 ± 33% +48.0% 1967 ± 31% perf-sched.wait_and_delay.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 1329 ± 33% +48.0% 1967 ± 31% perf-sched.wait_time.max.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.x64_sys_call 5150 -8.7% 4701 stress-ng.sigtrap.nanosecs_to_handle_SIGTRAP 6.481e+08 +7.6% 6.972e+08 stress-ng.sigtrap.ops 10802071 +7.6% 11619474 stress-ng.sigtrap.ops_per_sec 190.34 +11.9% 212.98 stress-ng.time.user_time 0.40 -17.2% 0.33 ± 6% perf-stat.i.MPKI 1.037e+10 +6.0% 1.099e+10 perf-stat.i.branch-instructions 26.84 -5.4 21.47 ± 5% perf-stat.i.cache-miss-rate% 19330364 -15.9% 16252491 ± 5% perf-stat.i.cache-misses 72296794 +4.7% 75664331 perf-stat.i.cache-references 4.62 -7.5% 4.27 perf-stat.i.cpi 11681 +17.4% 13708 ± 5% perf-stat.i.cycles-between-cache-misses 4.856e+10 +6.0% 5.147e+10 perf-stat.i.instructions 0.23 ± 2% +9.3% 0.25 perf-stat.i.ipc 0.40 -20.7% 0.32 ± 5% perf-stat.overall.MPKI 26.67 -5.3 21.41 ± 5% perf-stat.overall.cache-miss-rate% 4.64 -6.8% 4.32 perf-stat.overall.cpi 11645 +17.8% 13723 ± 5% perf-stat.overall.cycles-between-cache-misses 0.22 +7.3% 0.23 perf-stat.overall.ipc 1.02e+10 +6.1% 1.082e+10 perf-stat.ps.branch-instructions 19031830 -15.9% 15997328 ± 5% perf-stat.ps.cache-misses 71361498 +4.7% 74737173 perf-stat.ps.cache-references 4.775e+10 +6.0% 5.064e+10 perf-stat.ps.instructions 2.964e+12 +7.3% 3.179e+12 perf-stat.total.instructions 13.02 -0.9 12.14 perf-profile.calltrace.cycles-pp.get_signal.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe 11.30 -0.8 10.47 perf-profile.calltrace.cycles-pp.collect_signal.dequeue_signal.get_signal.arch_do_signal_or_restart.syscall_exit_to_user_mode 11.23 -0.8 10.40 perf-profile.calltrace.cycles-pp.do_dec_rlimit_put_ucounts.collect_signal.dequeue_signal.get_signal.arch_do_signal_or_restart 14.47 -0.8 13.65 perf-profile.calltrace.cycles-pp.do_send_sig_info.do_send_specific.__x64_sys_tgkill.do_syscall_64.entry_SYSCALL_64_after_hwframe 12.05 -0.8 11.24 perf-profile.calltrace.cycles-pp.dequeue_signal.get_signal.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64 11.34 -0.8 10.53 perf-profile.calltrace.cycles-pp.inc_rlimit_get_ucounts.__sigqueue_alloc.__send_signal_locked.do_send_sig_info.do_send_specific 11.75 -0.8 10.97 perf-profile.calltrace.cycles-pp.__sigqueue_alloc.__send_signal_locked.do_send_sig_info.do_send_specific.__x64_sys_tgkill 13.28 -0.8 12.52 perf-profile.calltrace.cycles-pp.__send_signal_locked.do_send_sig_info.do_send_specific.__x64_sys_tgkill.do_syscall_64 11.20 -0.8 10.45 perf-profile.calltrace.cycles-pp.do_dec_rlimit_put_ucounts.get_signal.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3 13.46 -0.7 12.72 perf-profile.calltrace.cycles-pp.get_signal.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3.stress_sigtrap 15.82 -0.6 15.18 perf-profile.calltrace.cycles-pp.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe 15.97 -0.6 15.35 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe 16.16 -0.5 15.66 perf-profile.calltrace.cycles-pp.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3.stress_sigtrap 16.20 -0.5 15.71 perf-profile.calltrace.cycles-pp.irqentry_exit_to_user_mode.asm_exc_int3.stress_sigtrap 1.39 ± 2% -0.3 1.12 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.set_current_blocked.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe 3.05 -0.2 2.81 ± 2% perf-profile.calltrace.cycles-pp.set_current_blocked.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.36 -0.2 1.16 perf-profile.calltrace.cycles-pp.signal_setup_done.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3.stress_sigtrap_handler 2.45 -0.2 2.29 perf-profile.calltrace.cycles-pp.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3.stress_sigtrap_handler 2.50 -0.2 2.34 perf-profile.calltrace.cycles-pp.asm_exc_int3.stress_sigtrap_handler 2.49 -0.2 2.34 perf-profile.calltrace.cycles-pp.irqentry_exit_to_user_mode.asm_exc_int3.stress_sigtrap_handler 1.04 -0.1 0.91 perf-profile.calltrace.cycles-pp.signal_setup_done.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.83 -0.1 0.70 perf-profile.calltrace.cycles-pp.recalc_sigpending.signal_setup_done.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3 1.88 -0.1 1.79 perf-profile.calltrace.cycles-pp.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigtrap_handler 1.93 -0.1 1.85 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigtrap_handler 1.92 -0.1 1.84 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigtrap_handler 1.93 -0.1 1.86 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.stress_sigtrap_handler 0.98 -0.1 0.92 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.do_send_sig_info.do_send_specific.__x64_sys_tgkill.do_syscall_64 0.98 +0.0 1.01 perf-profile.calltrace.cycles-pp.fpu__clear_user_states.handle_signal.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3 0.73 +0.0 0.76 perf-profile.calltrace.cycles-pp.fpu__clear_user_states.handle_signal.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64 1.06 +0.0 1.10 perf-profile.calltrace.cycles-pp.handle_signal.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3.stress_sigtrap_handler 0.56 +0.0 0.61 perf-profile.calltrace.cycles-pp.__rseq_handle_notify_resume.handle_signal.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64 0.52 ± 2% +0.1 0.57 perf-profile.calltrace.cycles-pp.__get_user_nocheck_8.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.83 +0.1 0.89 perf-profile.calltrace.cycles-pp.__getpid 0.54 +0.1 0.60 perf-profile.calltrace.cycles-pp.__rseq_handle_notify_resume.handle_signal.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3 0.80 +0.1 0.87 perf-profile.calltrace.cycles-pp.sync_regs.asm_exc_int3.stress_sigtrap 0.64 +0.1 0.73 perf-profile.calltrace.cycles-pp.restore_altstack.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.96 +0.1 2.06 perf-profile.calltrace.cycles-pp.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigtrap 1.98 +0.1 2.08 perf-profile.calltrace.cycles-pp.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigtrap 1.58 +0.1 1.70 perf-profile.calltrace.cycles-pp.__restore_fpregs_from_user.restore_fpregs_from_user.__fpu_restore_sig.fpu__restore_sig.restore_sigcontext 2.04 +0.1 2.16 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigtrap 2.04 +0.1 2.17 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.stress_sigtrap 2.45 +0.1 2.58 perf-profile.calltrace.cycles-pp.restore_fpregs_from_user.__fpu_restore_sig.fpu__restore_sig.restore_sigcontext.__x64_sys_rt_sigreturn 1.42 +0.1 1.55 perf-profile.calltrace.cycles-pp.clear_bhb_loop 1.86 +0.1 2.00 perf-profile.calltrace.cycles-pp.copy_fpstate_to_sigframe.get_sigframe.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart 1.78 +0.1 1.92 perf-profile.calltrace.cycles-pp.get_sigframe.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart.syscall_exit_to_user_mode 1.70 +0.1 1.85 perf-profile.calltrace.cycles-pp.get_sigframe.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart.irqentry_exit_to_user_mode 2.63 +0.2 2.79 perf-profile.calltrace.cycles-pp.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.05 +0.2 2.22 perf-profile.calltrace.cycles-pp.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64 1.96 +0.2 2.14 perf-profile.calltrace.cycles-pp.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3 3.63 +0.2 3.83 perf-profile.calltrace.cycles-pp.__fpu_restore_sig.fpu__restore_sig.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64 0.34 ± 70% +0.2 0.54 perf-profile.calltrace.cycles-pp.asm_exc_int3 3.74 +0.2 3.95 perf-profile.calltrace.cycles-pp.fpu__restore_sig.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe 2.56 +0.2 2.79 perf-profile.calltrace.cycles-pp.handle_signal.arch_do_signal_or_restart.irqentry_exit_to_user_mode.asm_exc_int3.stress_sigtrap 3.48 +0.3 3.74 perf-profile.calltrace.cycles-pp.handle_signal.arch_do_signal_or_restart.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.77 ± 32% +0.3 1.10 perf-profile.calltrace.cycles-pp.save_xstate_epilog.get_sigframe.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart 2.49 ± 8% +0.4 2.92 ± 10% perf-profile.calltrace.cycles-pp.aa_may_signal.apparmor_task_kill.security_task_kill.do_send_specific.__x64_sys_tgkill 8.09 +0.4 8.52 ± 2% perf-profile.calltrace.cycles-pp.stress_sigtrap_handler 0.00 +0.5 0.51 perf-profile.calltrace.cycles-pp._copy_from_user.restore_altstack.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe 26.54 -1.6 24.93 perf-profile.children.cycles-pp.get_signal 22.44 -1.6 20.86 perf-profile.children.cycles-pp.do_dec_rlimit_put_ucounts 36.34 -1.4 34.96 perf-profile.children.cycles-pp.arch_do_signal_or_restart 22.95 -1.2 21.72 perf-profile.children.cycles-pp.inc_rlimit_get_ucounts 23.82 -1.2 22.65 perf-profile.children.cycles-pp.__sigqueue_alloc 26.16 -1.1 25.06 perf-profile.children.cycles-pp.__send_signal_locked 11.31 -0.8 10.48 perf-profile.children.cycles-pp.collect_signal 14.50 -0.8 13.68 perf-profile.children.cycles-pp.do_send_sig_info 12.06 -0.8 11.25 perf-profile.children.cycles-pp.dequeue_signal 34.64 -0.8 33.86 perf-profile.children.cycles-pp.asm_exc_int3 18.01 -0.7 17.34 perf-profile.children.cycles-pp.syscall_exit_to_user_mode 18.70 -0.6 18.06 perf-profile.children.cycles-pp.irqentry_exit_to_user_mode 3.08 -0.4 2.64 perf-profile.children.cycles-pp._raw_spin_lock_irq 2.42 -0.3 2.10 perf-profile.children.cycles-pp.signal_setup_done 3.07 -0.2 2.83 ± 2% perf-profile.children.cycles-pp.set_current_blocked 4.10 -0.2 3.93 perf-profile.children.cycles-pp.recalc_sigpending 1.54 -0.0 1.50 perf-profile.children.cycles-pp.fpregs_mark_activate 0.07 ± 8% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.from_kuid_munged 0.09 +0.0 0.10 perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare 0.08 +0.0 0.09 ± 4% perf-profile.children.cycles-pp.raise 0.12 +0.0 0.13 ± 3% perf-profile.children.cycles-pp.rep_stos_alternative 0.09 ± 5% +0.0 0.10 perf-profile.children.cycles-pp.check_kill_permission 0.23 ± 2% +0.0 0.24 ± 2% perf-profile.children.cycles-pp.send_signal_locked 0.05 +0.0 0.06 ± 7% perf-profile.children.cycles-pp.generic_perform_write 0.23 ± 4% +0.0 0.24 ± 2% perf-profile.children.cycles-pp.stress_time_now 0.05 ± 7% +0.0 0.07 ± 11% perf-profile.children.cycles-pp.shmem_file_write_iter 0.26 +0.0 0.28 perf-profile.children.cycles-pp.__put_user_8 0.31 +0.0 0.33 ± 2% perf-profile.children.cycles-pp.mod_objcg_state 0.06 +0.0 0.08 ± 10% perf-profile.children.cycles-pp.vfs_write 0.52 +0.0 0.55 ± 3% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook 0.07 +0.0 0.09 ± 11% perf-profile.children.cycles-pp.ksys_write 0.07 +0.0 0.09 ± 11% perf-profile.children.cycles-pp.perf_mmap__push 0.08 +0.0 0.10 ± 10% perf-profile.children.cycles-pp.__cmd_record 0.08 +0.0 0.10 ± 10% perf-profile.children.cycles-pp.cmd_record 0.07 +0.0 0.10 ± 11% perf-profile.children.cycles-pp.write 0.07 ± 7% +0.0 0.09 ± 9% perf-profile.children.cycles-pp.writen 0.38 +0.0 0.41 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.26 +0.0 0.29 perf-profile.children.cycles-pp.profile_signal_perm 0.07 +0.0 0.10 ± 11% perf-profile.children.cycles-pp.record__mmap_read_evlist 0.08 +0.0 0.11 ± 10% perf-profile.children.cycles-pp.handle_internal_command 0.08 +0.0 0.11 ± 10% perf-profile.children.cycles-pp.main 0.08 +0.0 0.11 ± 10% perf-profile.children.cycles-pp.run_builtin 0.46 ± 2% +0.0 0.50 perf-profile.children.cycles-pp.__memcg_slab_free_hook 0.46 ± 3% +0.0 0.49 ± 3% perf-profile.children.cycles-pp.get_task_cred 0.40 +0.0 0.43 perf-profile.children.cycles-pp.rseq_update_cpu_node_id 0.72 +0.0 0.76 perf-profile.children.cycles-pp.check_xstate_in_sigframe 0.22 ± 6% +0.0 0.27 ± 4% perf-profile.children.cycles-pp.x64_sys_call 0.57 +0.0 0.61 perf-profile.children.cycles-pp.__get_user_nocheck_4 0.77 +0.0 0.82 ± 2% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof 0.57 +0.0 0.62 perf-profile.children.cycles-pp.__get_user_nocheck_8 0.64 +0.1 0.69 perf-profile.children.cycles-pp.__put_user_nocheck_4 0.71 +0.1 0.76 perf-profile.children.cycles-pp.kmem_cache_free 0.96 +0.1 1.03 perf-profile.children.cycles-pp.__getpid 0.42 ± 2% +0.1 0.48 ± 5% perf-profile.children.cycles-pp.entry_SYSCALL_64 0.82 +0.1 0.89 perf-profile.children.cycles-pp.sync_regs 0.24 ± 2% +0.1 0.32 ± 2% perf-profile.children.cycles-pp.prepare_signal 0.69 +0.1 0.76 perf-profile.children.cycles-pp.rseq_ip_fixup 1.77 +0.1 1.85 perf-profile.children.cycles-pp.fpu__clear_user_states 0.66 +0.1 0.76 perf-profile.children.cycles-pp.restore_altstack 1.06 +0.1 1.15 perf-profile.children.cycles-pp.save_xstate_epilog 0.97 +0.1 1.08 perf-profile.children.cycles-pp._copy_from_user 1.60 +0.1 1.71 perf-profile.children.cycles-pp.__restore_fpregs_from_user 1.12 +0.1 1.24 perf-profile.children.cycles-pp.__rseq_handle_notify_resume 2.49 +0.1 2.61 perf-profile.children.cycles-pp.restore_fpregs_from_user 1.94 +0.1 2.09 perf-profile.children.cycles-pp.copy_fpstate_to_sigframe 6.54 +0.1 6.69 perf-profile.children.cycles-pp.stress_sigtrap_handler 1.76 +0.2 1.93 perf-profile.children.cycles-pp.clear_bhb_loop 3.66 +0.2 3.86 perf-profile.children.cycles-pp.__fpu_restore_sig 9.04 +0.2 9.23 perf-profile.children.cycles-pp.__x64_sys_rt_sigreturn 3.76 +0.2 3.97 perf-profile.children.cycles-pp.fpu__restore_sig 4.61 +0.3 4.87 perf-profile.children.cycles-pp.restore_sigcontext 3.51 +0.3 3.81 perf-profile.children.cycles-pp.get_sigframe 4.07 +0.3 4.40 perf-profile.children.cycles-pp.x64_setup_rt_frame 2.36 +0.4 2.71 ± 3% perf-profile.children.cycles-pp.native_irq_return_iret 2.50 ± 7% +0.4 2.94 ± 10% perf-profile.children.cycles-pp.aa_may_signal 7.14 +0.5 7.68 perf-profile.children.cycles-pp.handle_signal 22.43 -1.6 20.85 perf-profile.self.cycles-pp.do_dec_rlimit_put_ucounts 22.94 -1.2 21.71 perf-profile.self.cycles-pp.inc_rlimit_get_ucounts 3.06 -0.5 2.60 perf-profile.self.cycles-pp._raw_spin_lock_irq 4.08 -0.2 3.90 perf-profile.self.cycles-pp.recalc_sigpending 1.47 -0.0 1.42 perf-profile.self.cycles-pp.fpregs_mark_activate 0.07 ± 7% -0.0 0.05 perf-profile.self.cycles-pp.do_send_specific 0.10 +0.0 0.11 perf-profile.self.cycles-pp.rep_stos_alternative 0.09 +0.0 0.10 perf-profile.self.cycles-pp.asm_exc_int3 0.08 +0.0 0.09 perf-profile.self.cycles-pp.error_entry 0.13 ± 3% +0.0 0.14 ± 3% perf-profile.self.cycles-pp.send_signal_locked 0.12 +0.0 0.13 ± 2% perf-profile.self.cycles-pp.signal_setup_done 0.07 +0.0 0.08 ± 5% perf-profile.self.cycles-pp.irqentry_exit_to_user_mode 0.32 ± 2% +0.0 0.34 ± 3% perf-profile.self.cycles-pp.__task_pid_nr_ns 0.24 ± 2% +0.0 0.26 perf-profile.self.cycles-pp.stress_sigtrap_handler 0.10 ± 4% +0.0 0.12 ± 3% perf-profile.self.cycles-pp.__sigqueue_alloc 0.15 ± 2% +0.0 0.17 ± 4% perf-profile.self.cycles-pp.handle_signal 0.13 +0.0 0.15 perf-profile.self.cycles-pp.restore_fpregs_from_user 0.25 +0.0 0.27 perf-profile.self.cycles-pp.__put_user_8 0.30 +0.0 0.32 perf-profile.self.cycles-pp.mod_objcg_state 0.24 +0.0 0.26 perf-profile.self.cycles-pp.kmem_cache_free 0.35 +0.0 0.37 perf-profile.self.cycles-pp.restore_sigcontext 0.24 +0.0 0.27 perf-profile.self.cycles-pp.kmem_cache_alloc_noprof 0.26 +0.0 0.28 perf-profile.self.cycles-pp.arch_do_signal_or_restart 0.37 +0.0 0.39 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.12 +0.0 0.14 ± 5% perf-profile.self.cycles-pp.rseq_ip_fixup 0.29 +0.0 0.32 perf-profile.self.cycles-pp.do_syscall_64 0.26 ± 2% +0.0 0.29 ± 5% perf-profile.self.cycles-pp.__send_signal_locked 0.17 ± 3% +0.0 0.20 ± 2% perf-profile.self.cycles-pp.__x64_sys_rt_sigreturn 0.26 +0.0 0.28 perf-profile.self.cycles-pp.profile_signal_perm 0.38 +0.0 0.41 perf-profile.self.cycles-pp.save_xstate_epilog 0.39 +0.0 0.42 perf-profile.self.cycles-pp.rseq_update_cpu_node_id 0.47 +0.0 0.50 perf-profile.self.cycles-pp.__fpu_restore_sig 0.21 ± 2% +0.0 0.25 perf-profile.self.cycles-pp.syscall_exit_to_user_mode 0.20 ± 8% +0.0 0.24 ± 3% perf-profile.self.cycles-pp.x64_sys_call 0.56 +0.0 0.60 perf-profile.self.cycles-pp.x64_setup_rt_frame 0.55 +0.0 0.59 perf-profile.self.cycles-pp.__get_user_nocheck_4 0.60 +0.0 0.65 perf-profile.self.cycles-pp.__put_user_nocheck_4 0.55 ± 2% +0.0 0.60 perf-profile.self.cycles-pp.__get_user_nocheck_8 0.29 ± 2% +0.1 0.35 ± 7% perf-profile.self.cycles-pp.entry_SYSCALL_64 0.46 +0.1 0.52 perf-profile.self.cycles-pp.get_sigframe 0.82 +0.1 0.89 perf-profile.self.cycles-pp.sync_regs 0.23 +0.1 0.30 ± 3% perf-profile.self.cycles-pp.prepare_signal 0.24 +0.1 0.31 ± 2% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 1.20 +0.1 1.29 perf-profile.self.cycles-pp.stress_sigtrap 0.96 +0.1 1.06 perf-profile.self.cycles-pp._copy_from_user 1.02 +0.1 1.13 perf-profile.self.cycles-pp.fpu__clear_user_states 1.49 +0.1 1.60 perf-profile.self.cycles-pp.copy_fpstate_to_sigframe 1.59 +0.1 1.70 perf-profile.self.cycles-pp.__restore_fpregs_from_user 1.75 +0.2 1.91 perf-profile.self.cycles-pp.clear_bhb_loop 2.36 +0.4 2.71 ± 3% perf-profile.self.cycles-pp.native_irq_return_iret 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