From owner-freebsd-current@freebsd.org Wed Jan 11 21:18:59 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 75A76CAA958 for ; Wed, 11 Jan 2017 21:18:59 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from mx1.scaleengine.net (mx1.scaleengine.net [209.51.186.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 45F6F1465 for ; Wed, 11 Jan 2017 21:18:58 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from [10.1.1.2] (unknown [10.1.1.2]) (Authenticated sender: allanjude.freebsd@scaleengine.com) by mx1.scaleengine.net (Postfix) with ESMTPSA id 4705B13458 for ; Wed, 11 Jan 2017 21:18:56 +0000 (UTC) Subject: Re: HEADS-UP: IFLIB implementations of sys/dev/e1000 em, lem, igb pending To: freebsd-current@freebsd.org References: <30f21c75-d3a2-edcd-1999-d5ed9f970c06@freebsd.org> <1598d97bf2a.c6bcb76838987.6501340920645175463@nextbsd.org> <574a7ac7-4842-9518-8286-a4d89a9f7a27@freebsd.org> <6c6cb534-73c7-464b-8af1-7445a9c0188c@freebsd.org> <1598f29d379.ea6360351471.8752933472741761813@nextbsd.org> <1598f3f8588.d20017893749.339651164872952258@nextbsd.org> From: Allan Jude Message-ID: <54b63045-998a-aad7-6e65-44f24377672c@freebsd.org> Date: Wed, 11 Jan 2017 16:18:55 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: <1598f3f8588.d20017893749.339651164872952258@nextbsd.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit 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: Wed, 11 Jan 2017 21:18:59 -0000 On 2017-01-11 15:37, Matthew Macy wrote: > You can still explicitly set the number of descriptors. It is now reported under the dev sysctl tree. dev... > > -M > > > ---- On Wed, 11 Jan 2017 12:34:23 -0800 Olivier Cochard-Labbé wrote ---- > > > > On Wed, Jan 11, 2017 at 9:13 PM, Matthew Macy wrote: > > > > > Hmmm ... did your old tests do 4 or 8 queues on this hardware? > > > > > > Did the old tests run 1024 tx/rx slots or the max 4096? > > > > That's a great point, only having one thread per core could easily account for this. I'm hoping Sean can make txq != rxq work so that you can have 8txqs and 4 rxqs. > > > > > > ​The netgate RCC-VE 4860 is a 4 cores atom C2558E, and I'm using 2 of the 4 Gigabit Intel i350 ports. > > Lab detail: > > https://bsdrp.net/documentation/examples/forwarding_performance_lab_of_a_netgate_rcc-ve_4860 > > > > My tunning are (same for both test): > > hw.igb.rxd="2048" (it should be useless now) > > hw.igb.txd="2048" (it should be useless now) Matt: I think he meant "useless now" because there is no igb, and the below hw.em version covers it. > > hw.em.rxd="2048" > > hw.em.txd="2048" > > hw.igb.rx_process_limit="-1" (It should be useless now too) > > hw.em.rx_process_limit="-1" > > > > dev.igb.2.fc=0 > > dev.igb.3.fc=0 > > > > I can generate profiling data for you: what kind of data do you want ? > > > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > -- Allan Jude