From owner-freebsd-hackers@FreeBSD.ORG Thu May 23 18:21:49 2013 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 6E80A31D for ; Thu, 23 May 2013 18:21:49 +0000 (UTC) (envelope-from mozolevsky@gmail.com) Received: from mail-ie0-x22c.google.com (mail-ie0-x22c.google.com [IPv6:2607:f8b0:4001:c03::22c]) by mx1.freebsd.org (Postfix) with ESMTP id 34CC78B2 for ; Thu, 23 May 2013 18:21:49 +0000 (UTC) Received: by mail-ie0-f172.google.com with SMTP id 16so9795917iea.3 for ; Thu, 23 May 2013 11:21:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; bh=n7Dq/p5YvMQsOuQSnaM8V/V62CN+MoJc3HqQfPgZeKk=; b=rqxjB9WaV0jjZ7TcXyifueTVxIAtB7isG92CpfgN1EMVXL5vH5eTehaxzeNsl+Z6g4 9HbCu75WCaOLdY69tj+gf2g6bLgREXf9myQPG6kercwHK0194JYVAa7m68Ijec18kB8t EYINE9bvTOSBVu9o8A3epwy+ElDNWjIPcjSQmo6S1W7325Ks1HmK0YZB7HPfsCf6gyMx +6bnT/g3yzbwaxn5WEYkkZxTB4qsOlgG8nLkMDUyPO+gtdKuwGWQ9eeDuyTaGOQ+MXln z0sge2gx7bF5+ZjJd24U+kjlnyh6TK6RLSU9BVG7l2tx4Xy64YEGUBXJmhlfQK3RckiV YJmA== X-Received: by 10.42.47.77 with SMTP id n13mr10348190icf.12.1369333308928; Thu, 23 May 2013 11:21:48 -0700 (PDT) MIME-Version: 1.0 Sender: mozolevsky@gmail.com Received: by 10.64.143.133 with HTTP; Thu, 23 May 2013 11:21:08 -0700 (PDT) In-Reply-To: <175CCF5F49938B4D99B2E3EF7F558EBE381FA6E5AA@SC-VEXCH4.marvell.com> References: <175CCF5F49938B4D99B2E3EF7F558EBE381FA6E5AA@SC-VEXCH4.marvell.com> From: Igor Mozolevsky Date: Thu, 23 May 2013 19:21:08 +0100 X-Google-Sender-Auth: F3_2Ts6rk1-g928ZZeoBPqxI_xk Message-ID: Subject: Re: Low Tx-Rx performance with 10Gb NICs To: Lino Sanfilippo Content-Type: text/plain; charset=UTF-8 Cc: Hackers freeBSD , Axel Fischer , Ralf Assmann , Markus Althoff X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 May 2013 18:21:49 -0000 On 23 May 2013 19:00, Lino Sanfilippo wrote: > Is there a known issue concerning high traffic on Tx and Rx paths? Are there any system > settings I could adjust to get the expected performance? Any hints are very appreciated. check your ierrs and oerrs: netstat -s 1, I've noticed I'm getting ierrs on em chips, but none on fxp chips (connected to the same wire/switch); might be unrelated to yours, but worth a check... -- Igor M.