From owner-freebsd-arm@FreeBSD.ORG Fri Mar 13 03:26:49 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 AB10E304 for ; Fri, 13 Mar 2015 03:26:49 +0000 (UTC) Received: from wa3yre.wynn.com (wa3yre.wynn.com [199.89.147.3]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 55CA8D7E for ; Fri, 13 Mar 2015 03:26:49 +0000 (UTC) Received: from ivory.wynn.com (mail.wynn.com [199.89.147.3]) (authenticated bits=0) by wa3yre.wynn.com (8.14.3/8.12.6) with ESMTP id t2D3QhYn008904; Thu, 12 Mar 2015 23:26:43 -0400 (EDT) (envelope-from freebsd-arm@wynn.com) Date: Thu, 12 Mar 2015 23:26:41 -0400 From: Brett Wynkoop To: Bernd Walter Subject: Re: BeagleBone slow inbound net I/O Message-ID: <20150312232641.4365263d@ivory.wynn.com> In-Reply-To: <20150312133433.GB28385@cicely7.cicely.de> References: <20150311165115.32327c5a@ivory.wynn.com> <20150312133433.GB28385@cicely7.cicely.de> X-Mailer: Claws Mail 3.10.1 (GTK+ 2.24.25; x86_64-apple-darwin10.8.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "freebsd-arm@freebsd.org" 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 03:26:49 -0000 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. root@beaglebone:/usr/local/bin # zpool iostat 5 capacity operations bandwidth pool alloc free read write read write ---------- ----- ----- ----- ----- ----- ----- bbexport 295M 14.1G 0 3 27.9K 26.9K bbexport 297M 14.1G 0 10 25.5K 445K bbexport 298M 14.1G 0 9 25.4K 346K bbexport 300M 14.1G 0 9 51.0K 383K bbexport 302M 14.1G 0 12 0 452K bbexport 304M 14.1G 0 10 51.1K 452K bbexport 305M 14.1G 0 10 0 319K bbexport 306M 14.1G 0 8 51.2K 238K bbexport 308M 14.1G 0 11 25.7K 415K bbexport 311M 14.1G 0 14 25.4K 625K bbexport 315M 14.1G 1 23 66.8K 934K bbexport 317M 14.1G 0 11 25.5K 472K bbexport 319M 14.1G 0 14 25.5K 615K bbexport 321M 14.1G 0 8 39.0K 271K bbexport 322M 14.1G 0 8 12.7K 340K bbexport 325M 14.1G 0 11 12.8K 683K bbexport 327M 14.1G 0 9 12.7K 502K bbexport 330M 14.1G 0 11 25.4K 594K bbexport 333M 14.0G 0 12 0 689K bbexport 337M 14.0G 0 23 0 862K bbexport 340M 14.0G 0 15 25.5K 796K bbexport 342M 14.0G 0 8 0 316K bbexport 342M 14.0G 0 6 12.7K 99.7K bbexport 343M 14.0G 0 10 12.8K 261K bbexport 346M 14.0G 0 12 38.2K 534K bbexport 349M 14.0G 1 14 64.2K 688K bbexport 349M 14.0G 0 0 0 19.1K bbexport 351M 14.0G 0 11 12.6K 579K bbexport 352M 14.0G 0 13 12.7K 784K bbexport 358M 14.0G 0 15 25.4K 631K bbexport 360M 14.0G 0 14 12.7K 584K bbexport 363M 14.0G 0 13 0 634K bbexport 366M 14.0G 0 13 12.8K 561K bbexport 369M 14.0G 0 27 12.7K 1.26M bbexport 375M 14.0G 0 17 0 601K bbexport 377M 14.0G 0 12 0 551K bbexport 380M 14.0G 0 11 12.0K 604K bbexport 387M 14.0G 0 24 25.4K 1.40M bbexport 390M 14.0G 0 10 0 572K bbexport 395M 14.0G 0 19 0 1.08M bbexport 400M 14.0G 0 21 0 1.08M bbexport 405M 14.0G 0 20 0 1.07M -Brett -- wynkoop@wynn.com http://prd4.wynn.com/wynkoop/pgp-keys.txt 917-642-6925 929-272-0000 If cowardly and dishonorable men sometimes shoot unarmed men with army pistols or guns, the evil must be prevented by the penitentiary and gallows, and not by a general deprivation of a constitutional privilege. -Honorable J. A. Williams, Circuit Judge - Wilson v. State, 33 Ark. 557, 34 Am. Rep. 52 (1878).