From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR03-AM5-obe.outbound.protection.outlook.com (mail-eopbgr30041.outbound.protection.outlook.com [40.107.3.41]) by sourceware.org (Postfix) with ESMTPS id 60518383B410 for ; Mon, 28 Jun 2021 19:25:42 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 60518383B410 Received: from AM6P194CA0016.EURP194.PROD.OUTLOOK.COM (2603:10a6:209:90::29) by VI1PR08MB4592.eurprd08.prod.outlook.com (2603:10a6:803:bc::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.18; Mon, 28 Jun 2021 19:25:39 +0000 Received: from AM5EUR03FT003.eop-EUR03.prod.protection.outlook.com (2603:10a6:209:90:cafe::94) by AM6P194CA0016.outlook.office365.com (2603:10a6:209:90::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.18 via Frontend Transport; Mon, 28 Jun 2021 19:25:39 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; sourceware.org; dkim=pass (signature was verified) header.d=armh.onmicrosoft.com;sourceware.org; dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 63.35.35.123 as permitted sender) receiver=protection.outlook.com; client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com; Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by AM5EUR03FT003.mail.protection.outlook.com (10.152.16.149) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.18 via Frontend Transport; Mon, 28 Jun 2021 19:25:38 +0000 Received: ("Tessian outbound df524a02e6bb:v97"); Mon, 28 Jun 2021 19:25:38 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: 90bae42da2be2d39 X-CR-MTA-TID: 64aa7808 Received: from 43901f887a61.1 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 249B8404-93E7-4E9B-AEEF-ED2EA2E4D41F.1; Mon, 28 Jun 2021 19:25:31 +0000 Received: from EUR04-VI1-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id 43901f887a61.1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384); Mon, 28 Jun 2021 19:25:31 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=oPmtsQ7fEtsFogo7vFnR9jcKU3AKdqoKTUuy6TX/nSzHuiCu8yfCm4v46mha7daYk4GfYwh2tk7bP0yXLwFmQZQYvLX3OLdeWehuKzRLvKCrjknk8LSd5lzjCF36EL0BYxW8jhJfGCASe/IPotRMtm196lrG4eGom77neIJw2lZTHbt7XgXpg5tV9EWUamkahNuQMKCCe4Sut97vNihy/owS1stfWSi8Bvk1O2hfzzOQT0r5U65sHmME2doBaziJthE5KtIYz+M1k61x6RC5lTaATiNIubZl3pTvFHlSHMiKkceGyXGLAKYyWRtXpSWoV8jMMvRDAWianlOQClEnjQ== 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-SenderADCheck; bh=/Z/t23RbJUow2kYMQk+DWpATYMKitata7wGbCFfo++M=; b=QYWScBVu7RAkgKJOZlcgF3XF6X7kx3WxexVkeLAPl4dAX/ROe02riyVAEeHClKKth/eeA0FOsIehgP2V5BAh8kPx0N+K6hV60fH320yxPz/tKHllvFNryGYjmWlmHD63nFz21JwN5yNN3wPRgVpy/ZQGuHpsTHl2ga621PPBOHGassj/jIZDTwBGfkjnNe3fvY8t8Taq7cM8KMDCGqm+YQXnviBGJin3tYI4My/KUCq+UZSJCfNEaiAMBGAUSs2reHnDOMkGRbV30Apmi3c7r3zQCTvt8W1CMf/bFlOLJeVOPod8RBaZX5kQVturj/g1yPe97U/PHLy9jqyZXyj8Uw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none Received: from VE1PR08MB5599.eurprd08.prod.outlook.com (2603:10a6:800:1a1::12) by VI1PR08MB3917.eurprd08.prod.outlook.com (2603:10a6:803:c1::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.23; Mon, 28 Jun 2021 19:25:29 +0000 Received: from VE1PR08MB5599.eurprd08.prod.outlook.com ([fe80::8c25:b5e8:b9be:13ac]) by VE1PR08MB5599.eurprd08.prod.outlook.com ([fe80::8c25:b5e8:b9be:13ac%5]) with mapi id 15.20.4242.023; Mon, 28 Jun 2021 19:25:29 +0000 From: Wilco Dijkstra To: Rafael Eduardo Ruviaro Christ , 'GNU C Library' Subject: Re: aarch64 lacks HP_TIMING support in glibc Thread-Topic: aarch64 lacks HP_TIMING support in glibc Thread-Index: AQHXaBukks+y5M9jU0SSPU2TbCh2TqspmVqggAA6l1c= Date: Mon, 28 Jun 2021 19:25:29 +0000 Message-ID: References: , In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: Authentication-Results-Original: asml.com; dkim=none (message not signed) header.d=none;asml.com; dmarc=none action=none header.from=arm.com; x-originating-ip: [82.24.249.100] x-ms-publictraffictype: Email X-MS-Office365-Filtering-Correlation-Id: 9b4a3998-1eb0-4ce4-2c72-08d93a6a8301 x-ms-traffictypediagnostic: VI1PR08MB3917:|VI1PR08MB4592: X-Microsoft-Antispam-PRVS: x-checkrecipientrouted: true nodisclaimer: true x-ms-oob-tlc-oobclassifiers: OLM:9508;OLM:9508; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: d+7cg3A5QWSoe+iC9BuZ+z/REia9EIqFCgljldGR7HBSD55T/dEXUqUtbknfQq9yOB5BMJ5Fd3L9aZyly/NStBuPuEaJlW4JL74Ri87aNUos1rdOzHbpWFl+xA1K3CdYwJFz7WmNT9jJ2hDFcRKfhC+j+r8JQfSPw+g6RQAdiYDT/mYLtdZfWWTsP0FCbF0Lrv+ZjxSE02aMWW7/QzuzcMSg/KUyLDKym5OITu2bVns3SnRcV1UINxwT4XwJ1vKM3mz2MsFRJ+7g0hJhRB/EdNEabxtsZMezZ6wklOqYHwM67RSOqHel8XesAZHtyFVQTE7udxFCx/j3W99d4g6cIskRApMFLHH8kvF+xKg8Gx2EMqUywyZgzqqpKhl9XxLJwsgxYrt1HfxXD3PQTL/O780MRQ99B6+yWj313g1V/z0Twe4SDkrVU/kzrjXKI/KjRB9ck7VFFjVjuyMnMSCs0NBZ/8YUmDmu+bHaT39vQkqiHd0aLl/cJbcgZ6eEBwUBThwIH6wmDTnCg2119sJgT9LU/xcNQNrz4c4FFPSWJemccYM24DxDwXIm1oPZoJtVxuGwkOy8TIe12BESIaJ/OnEvgYqjUdaZDpN6JpnuqUIZTcrK0OJYT4hfLoOVR3lakEWvmxeGWn1ke+m29Tk5Rg== X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:VE1PR08MB5599.eurprd08.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(396003)(39840400004)(366004)(136003)(346002)(376002)(5660300002)(66476007)(66556008)(66946007)(38100700002)(7696005)(9686003)(2906002)(122000001)(4744005)(52536014)(55016002)(86362001)(83380400001)(186003)(91956017)(76116006)(66446008)(64756008)(478600001)(316002)(8936002)(33656002)(71200400001)(19627405001)(26005)(6506007)(8676002)(110136005); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?2cKXZy1q1NpIhO8BQRtCm053+Alr12DIP6kbo5S0ERr7yBi2+WgNjFta1Y?= =?iso-8859-1?Q?oepTTikU6L3KM29Stx8robmP1kQIPP875MQBpHNLKwm4DF2K9yJ5KKaWZI?= =?iso-8859-1?Q?52p5/vj+C0NYHKxsNfy5LyjzLIlzKx8Kgk7woCBEG1ni4b9D3fM4OSVbKV?= =?iso-8859-1?Q?b6c/hrV2vNHwM0/GPbfSFpywjTWOidTrOJb5FqiMAvC9LSfVYBiNA8JhR1?= =?iso-8859-1?Q?dN/u5cllwWNtYZcE45YmWmXhlzP6KzILJDsScm4L/i5mpBFJ1dFbvtNB7w?= =?iso-8859-1?Q?j9+b+SSz9f749ysVybyRPgCBdii83qv8LGA1PWBKoZl5gFHxw/jEsr4gjE?= =?iso-8859-1?Q?gGOgzKRFXDmFTC6aZ+wKwtDhEaHFRSf0WzMExuCiLpL1F4/RJngehawL+A?= =?iso-8859-1?Q?Qw4i/lSCvYRrCwzLheV60fTM9l+Vryw+pL9P5Tp60UzK4Pr9T4rk+tZUrO?= =?iso-8859-1?Q?42PxCQ6HFmIlzkTXvNV23q84T2u6rl+K0ngaVG7mM+0qmMxD5gnT3imH2j?= =?iso-8859-1?Q?+prF4LJF5Y6Za2LdcVmuuhJdLTbUpRRH1D0E4T6Wr9n0OXcWFmIfvPUGJb?= =?iso-8859-1?Q?KFbpiMJvTeGhsZvIgwoH3m5jQOQ1XWPYdviLGeW0wDN2qlKLcSZ7wj4RNV?= =?iso-8859-1?Q?3ANCoDvVAMKc47SJHRjOoVcGwv3PRrh9a5GR/SeEKcAW6u14/h8vJZ+Z5K?= =?iso-8859-1?Q?Lq+V9mRsLoS42IAYcBqbF6LeYNgeVM+BzOLpihtEYjDGeJb2Ii2MGDWR4u?= =?iso-8859-1?Q?z0IhiFdX8D1EHK79sAKUqippK6SLpgwq6htXhMVxbnjzqrSeFqXIQFF+Xm?= =?iso-8859-1?Q?/ppXeJuiOD6xz7HchuFfe3mt+ULbvL7jgh27hoS535iCPz5CaigTghNgc8?= =?iso-8859-1?Q?3EBKHvC99nJE+yZs9XX4X/oI9EETlO9ZeqnyHXkIV2NOgADcpdb5vkk6gd?= =?iso-8859-1?Q?VlGsS2d/XPVGWtezKVBhWoZ0tsmTMQrlaJ9xngOWPO7cOv2WhONp0xrKLG?= =?iso-8859-1?Q?nA5rPmfSwaERbxVRuUVf++05j2pIk6fAO8DjpJehYlw1RKbDq85G/I/vx/?= =?iso-8859-1?Q?v15d47LkrtHeKkrKvxx/igJn1dwJTpUxNhw2RN0dPWCoqGnwr9YVU6OhvW?= =?iso-8859-1?Q?f+qjENu8dYcNhM1/+PV8Cs+Q65f6uLWlabIX++Ux06fGHgT85Y+asexu3R?= =?iso-8859-1?Q?agDHEFfBHl5Qov4VDiPiN6PltDA2gnxypnMcOq6aI5A8/wEML9CuToIJxD?= =?iso-8859-1?Q?Tw2pg2Lpo3Kjr4wCY4oTUdY5fum6UYpDW+UWxj+nmgGMc8KKzx9xsMlmKE?= =?iso-8859-1?Q?uMrQ2088oOkXOSVy2F8NqgYZ9QKbqnlR6KBiqytj6a7KxNI=3D?= x-ms-exchange-transport-forked: True MIME-Version: 1.0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB3917 Original-Authentication-Results: asml.com; dkim=none (message not signed) header.d=none;asml.com; dmarc=none action=none header.from=arm.com; X-EOPAttributedMessage: 0 X-MS-Exchange-Transport-CrossTenantHeadersStripped: AM5EUR03FT003.eop-EUR03.prod.protection.outlook.com X-MS-Office365-Filtering-Correlation-Id-Prvs: 63de599b-2e90-4d5b-d028-08d93a6a7d9e X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:63.35.35.123; CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(4636009)(396003)(39850400004)(136003)(346002)(376002)(46966006)(36840700001)(356005)(186003)(86362001)(81166007)(2906002)(8676002)(316002)(52536014)(36860700001)(55016002)(70586007)(19627405001)(336012)(110136005)(6506007)(9686003)(8936002)(478600001)(70206006)(33656002)(82740400003)(5660300002)(82310400003)(7696005)(83380400001)(26005)(47076005); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jun 2021 19:25:38.7872 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9b4a3998-1eb0-4ce4-2c72-08d93a6a8301 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM5EUR03FT003.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB4592 X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, HTML_MESSAGE, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP, UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Jun 2021 19:25:44 -0000 Hi Rafael, > Thank you for your message. Currently, we're using glibc 2.28. As soon as= I am able to > update to the latest glibc I will repeat the tests in our platform to eva= luate the > clock_getres() behavior. I don't believe there has been any change in behaviour since 2.28 - clock_g= etres does not use hp-timing in any way (and never did on AArch64). So is there something = specific that you have an issue with? Cheers, Wilco