From owner-freebsd-net@freebsd.org Mon Mar 13 17:24:51 2017 Return-Path: Delivered-To: freebsd-net@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 30700D0A4D5 for ; Mon, 13 Mar 2017 17:24:51 +0000 (UTC) (envelope-from jjasen@gmail.com) Received: from mail-qk0-x242.google.com (mail-qk0-x242.google.com [IPv6:2607:f8b0:400d:c09::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id DAE7E195B for ; Mon, 13 Mar 2017 17:24:50 +0000 (UTC) (envelope-from jjasen@gmail.com) Received: by mail-qk0-x242.google.com with SMTP id o135so37995579qke.2 for ; Mon, 13 Mar 2017 10:24:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding; bh=/BxC5MlGBH/sMBAGXllgpkUpDl/1KzcR89FzzmCSLt8=; b=D1eq7sqcxYPUKcqd3/BnprK++MEi2TpkmRTKBrttNRHz4tt8myhq8+SDWSj0YZLsd9 JH3W0YIoi4R3U9D01mZTpPDmac7iLWKoB4Rb0rb6VEorUbmPxRWADr9M8mXdROdyKZCc ZLCY8tP6m2uQIClXgjV/YM8SAI+xuTAJDw0F85pEgg2tK9qQK5tag0Uzv0FDR1wwYrbw DGj18lBfu6zLI7yM9B6VNDSAIijJcERuCE0HTS8Pf4REp4ChR/zmjBZos5o0zBLtcf87 ybe0Bf0aI/sawo6GZzuJEWObRykyxaxnuNFW9vXFvtHdw2UuSFqsjKDSqsNdB2zVMdmY pxlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=/BxC5MlGBH/sMBAGXllgpkUpDl/1KzcR89FzzmCSLt8=; b=Gp1TXsdrupvu7/WUVPiGODHX+Tb+dp4wzHSABBhI2Q36a2jgZq7eEo2bQMKegw9E54 Lj+d6gQiybZ5PoxqUCqFHl3aA0MC3wrVK34ffkvM3y4TjTAKMuvk1+dcvyRLLa32bBHS V4BeUPONysysbWnaEVqdaWtLRqH6lLZMMrktWCKTWMeXgDu7vqhDyAZtIWSrsj3P6lxX 68oIJEA040TPuwlBCW0MvUL+Nxmy3fWYCGPM3S7A2AwJvNAIu89OPsK2qglATwDght7e 3Mu/5d3u9CsnvpvyraLQlxk1ks2qfjAwJcZSg8TunMqtY7Fywm2XG6hueph7pV/tQDQx B0IA== X-Gm-Message-State: AFeK/H34GBmBuS++lNYqAdkx0iNJ9zSxyAk8q3I7Kf/td4OiZbLjh9xpeUoqk5geUhp/YQ== X-Received: by 10.55.209.28 with SMTP id s28mr31499904qki.178.1489425890102; Mon, 13 Mar 2017 10:24:50 -0700 (PDT) Received: from [10.1.28.202] ([198.119.59.10]) by smtp.googlemail.com with ESMTPSA id d67sm12575433qkg.23.2017.03.13.10.24.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 Mar 2017 10:24:49 -0700 (PDT) Subject: Re: bad throughput performance on multiple systems: Re: Fwd: Re: Disappointing packets-per-second performance results on a Dell,PE R530 To: "Caraballo-vega, Jordan A." , freebsd-net@freebsd.org References: <40a413f3-2c44-ee9d-9961-67114d8dffca@gmail.com> <20170205175531.GA20287@dwarf> <7d349edd-0c81-2e3f-d3b9-27af232de76d@gmail.com> <20170209153409.GG41673@dwarf> <6ad029e0-86c6-af3d-8fc3-694d4bcdc683@gmail.com> From: John Jasen Message-ID: <99309dd9-cd30-0a4b-c5ad-b72505cd19ec@gmail.com> Date: Mon, 13 Mar 2017 13:24:49 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Mar 2017 17:24:51 -0000 The issue does not seem to be specific to Chelsio cards. The same tests with Mellanix cards using the mlx4 drivers exhibit similar behaviors and results. On 03/12/2017 06:13 PM, John Jasen wrote: > I think I am able to confirm Mr. Caraballo's findings. > >