From owner-freebsd-current@freebsd.org Thu May 25 11:36:28 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 867EAD81A67 for ; Thu, 25 May 2017 11:36:28 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from CAN01-TO1-obe.outbound.protection.outlook.com (mail-eopbgr670051.outbound.protection.outlook.com [40.107.67.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "Microsoft IT SSL SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3F62D1A97 for ; Thu, 25 May 2017 11:36:27 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from YTXPR01MB0189.CANPRD01.PROD.OUTLOOK.COM (10.165.218.133) by YTXPR01MB0190.CANPRD01.PROD.OUTLOOK.COM (10.165.218.134) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1101.14; Thu, 25 May 2017 11:36:25 +0000 Received: from YTXPR01MB0189.CANPRD01.PROD.OUTLOOK.COM ([10.165.218.133]) by YTXPR01MB0189.CANPRD01.PROD.OUTLOOK.COM ([10.165.218.133]) with mapi id 15.01.1101.022; Thu, 25 May 2017 11:36:25 +0000 From: Rick Macklem To: Ryan Stone CC: "freebsd-current@freebsd.org" Subject: Re: NFS client performance degradation when SMP enabled Thread-Topic: NFS client performance degradation when SMP enabled Thread-Index: AQHS1MwG2fxodwGtMEW4vi34w36XT6IELbYAgAC+cfs= Date: Thu, 25 May 2017 11:36:25 +0000 Message-ID: References: , In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=uoguelph.ca; x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; YTXPR01MB0190; 7:saEn2vE5yzaoZF28C68gJ+k6o10CeKgYbP/0er5OfTftWr1+EK/kFxx/+Ya/iZF6lxMQlHKtGr0XCZGziZjEkW14/8so9H05Ff0NU+jPhuJXRwvy9vCTB+jn9hZoNV5K0gdRNlpfCg2WIcqAHR1OUpBGRxhwK5On5HBpomPHk91jtkZmFKUNvb5iHx9QjHVcHLS5sZRuBTfzD6EahMl3erTtuQqTERDeVLn6Bd+RVmGRfHktP/9kBYQ+qPljbDEgKXRsmtIrt2Vz5oH2uFx9Yu9PwAzKCNNMfgPU/iMzKZazChVGQCr4fODXNJ7pw+ep6wbkJR0+KegVCxVcRofJpQ== x-ms-traffictypediagnostic: YTXPR01MB0190: x-ms-office365-filtering-correlation-id: f05be48e-c264-42eb-ce53-08d4a36246ed x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(22001)(2017030254075)(201703131423075)(201703031133081); SRVR:YTXPR01MB0190; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(6040450)(2401047)(5005006)(8121501046)(3002001)(10201501046)(93006095)(93001095)(6041248)(20161123562025)(20161123564025)(20161123558100)(20161123560025)(201703131423075)(201702281529075)(201702281528075)(201703061421075)(201703061406153)(20161123555025)(6072148); SRVR:YTXPR01MB0190; BCL:0; PCL:0; RULEID:; SRVR:YTXPR01MB0190; x-forefront-prvs: 0318501FAE x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(6009001)(39450400003)(39410400002)(39850400002)(39840400002)(39400400002)(377454003)(97736004)(229853002)(54356999)(76176999)(33656002)(478600001)(74482002)(189998001)(122556002)(102836003)(50986999)(86362001)(38730400002)(110136004)(55016002)(6436002)(9686003)(6246003)(53936002)(8936002)(6506006)(77096006)(81166006)(1411001)(53546009)(25786009)(3660700001)(8676002)(2900100001)(3280700002)(74316002)(5660300001)(2950100002)(6916009)(7696004)(4326008)(39060400002)(305945005)(2906002); DIR:OUT; SFP:1101; SCL:1; SRVR:YTXPR01MB0190; H:YTXPR01MB0189.CANPRD01.PROD.OUTLOOK.COM; FPR:; SPF:None; MLV:ovrnspm; PTR:InfoNoRecords; LANG:en; spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: uoguelph.ca X-MS-Exchange-CrossTenant-originalarrivaltime: 25 May 2017 11:36:25.6503 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: be62a12b-2cad-49a1-a5fa-85f4f3156a7d X-MS-Exchange-Transport-CrossTenantHeadersStamped: YTXPR01MB0190 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 May 2017 11:36:28 -0000 Nope, it's an alc and the driver has very few changes between the old and new kernel (a change in the DMA channel from 3 to 4, whatever that means?). rick ________________________________________ From: Ryan Stone Sent: Wednesday, May 24, 2017 8:12:54 PM To: Rick Macklem Cc: freebsd-current@freebsd.org Subject: Re: NFS client performance degradation when SMP enabled What type of network interface do you have? The Intel 1G (em and igb) were= switched over to the "iflib" framework a few months ago and that could be = the cause.