From owner-freebsd-arm@FreeBSD.ORG Fri Mar 13 18:18:53 2015 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 17BE8C0E for ; Fri, 13 Mar 2015 18:18:53 +0000 (UTC) Received: from relay.mailchannels.net (nov-007-i624.relay.mailchannels.net [46.232.183.178]) by mx1.freebsd.org (Postfix) with ESMTP id 0FAA0EEC for ; Fri, 13 Mar 2015 18:18:49 +0000 (UTC) X-Sender-Id: duocircle|x-authuser|hippie Received: from smtp2.ore.mailhop.org (ip-10-33-12-218.us-west-2.compute.internal [10.33.12.218]) by relay.mailchannels.net (Postfix) with ESMTPA id 9D736A01E0; Fri, 13 Mar 2015 18:18:43 +0000 (UTC) X-Sender-Id: duocircle|x-authuser|hippie Received: from smtp2.ore.mailhop.org (smtp2.ore.mailhop.org [10.45.8.167]) (using TLSv1 with cipher DHE-RSA-AES256-SHA) by 0.0.0.0:2500 (trex/5.4.8); Fri, 13 Mar 2015 18:18:44 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: duocircle|x-authuser|hippie X-MailChannels-Auth-Id: duocircle X-MC-Loop-Signature: 1426270723724:3493939974 X-MC-Ingress-Time: 1426270723724 Received: from c-73-34-117-227.hsd1.co.comcast.net ([73.34.117.227] helo=ilsoft.org) by smtp2.ore.mailhop.org with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.82) (envelope-from ) id 1YWUAS-0006ZL-90; Fri, 13 Mar 2015 18:18:40 +0000 Received: from revolution.hippie.lan (revolution.hippie.lan [172.22.42.240]) by ilsoft.org (8.14.9/8.14.9) with ESMTP id t2DIIYra016795; Fri, 13 Mar 2015 12:18:34 -0600 (MDT) (envelope-from ian@freebsd.org) X-Mail-Handler: DuoCircle Outbound SMTP X-Originating-IP: 73.34.117.227 X-Report-Abuse-To: abuse@duocircle.com (see https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information for abuse reporting information) X-MHO-User: U2FsdGVkX1+d6UTvL+kWcBxFQvelJ5mh Message-ID: <1426270714.19693.7.camel@freebsd.org> Subject: Re: BeagleBone slow inbound net I/O From: Ian Lepore To: Brett Wynkoop Date: Fri, 13 Mar 2015 12:18:34 -0600 In-Reply-To: <20150312232641.4365263d@ivory.wynn.com> References: <20150311165115.32327c5a@ivory.wynn.com> <20150312133433.GB28385@cicely7.cicely.de> <20150312232641.4365263d@ivory.wynn.com> Content-Type: text/plain; charset="us-ascii" X-Mailer: Evolution 3.12.10 FreeBSD GNOME Team Port Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-AuthUser: hippie Cc: "freebsd-arm@freebsd.org" , Bernd Walter X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Mar 2015 18:18:53 -0000 On Thu, 2015-03-12 at 23:26 -0400, Brett Wynkoop wrote: > Greeting- > > It is confirmed, the net I/O is much slower than reading from the SD > card. Here is another run of tar - pipe - tar, but this time the > source is the sd card and the destination is still the USB zfs. [...] > You're not actually testing network performance, you're testing a confusing mashup of overall system performance. iperf on my beaglebone shows a throughput of 92mbps in both directions, which is not at all bad for a 100mbps connection. -- Ian