From owner-freebsd-net@freebsd.org Tue Jan 3 16:35:42 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 18974C9DBD5 for ; Tue, 3 Jan 2017 16:35:42 +0000 (UTC) (envelope-from jordancaraballo87@gmail.com) Received: from mail-ua0-x236.google.com (mail-ua0-x236.google.com [IPv6:2607:f8b0:400c:c08::236]) (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 C58F61859 for ; Tue, 3 Jan 2017 16:35:41 +0000 (UTC) (envelope-from jordancaraballo87@gmail.com) Received: by mail-ua0-x236.google.com with SMTP id 88so321595500uaq.3 for ; Tue, 03 Jan 2017 08:35:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version; bh=BTUvIC7EwHpducFMk2KGmUC90UsNKYkzKbh46svZLGo=; b=iW8/xZvBnhxhNRG5LrNv228K+yYs6yfrhMdnZudHpRVlFo2NMFfgp/13W7VbQvqeY4 otcivap7AlOYWcNWCYhZ1tzScmYFuslt32z8/RJr2Pu6OPzpNj3W4If4jwX7MlwEyQO/ yLqpnRJqQ9D3gqiEBL/VEluHYuSjxqL0CnbQgl7Hfh5kBeUMNncJZARC+x8tRzPbwzEb dS0Y0e3WWWy+44CLB+MGFo6qDK8OawCerKiWHYDpNvLEynuDXtDzRZfhFP0jKYuwGiG9 4OOcx2CFkRW1X3t3r6AuXdVLIVYkugbDa2d9hxVRf9lKe4f9sj5ZWOkak19KBL2u1pqB 7tFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version; bh=BTUvIC7EwHpducFMk2KGmUC90UsNKYkzKbh46svZLGo=; b=s4Ndlj4Kvvm26MlXEnQi1C7JHdjo2PqaA4sQw4fr1tKLmem/WUKdZlp1xcDzeRUvnJ dvE9DS9Ht9te+E6UhOZunSMuMNYyq7BklV9+Z8lUsNxueq8lpPiQ6MTz06efQ3vbEE+P NIcz14Atr6Igf5l3LWdaM+pfzVcRfuQxpipxK6yZnbs4rm7ifK4OIpjYrWxCT12zLRY/ mFYOAyLyUogEjs/O4uAcm67gg85i2QVD4ClmqvbKxwr7vpcFsAywkQhtL4N0J1uRqd8U fu67xBRhWShSN5F2F4RFSSSCdM+iPIxQuQVX1cbs3sAuLcDIg3KyTc0/bqo7GCq2hPkC Ft1w== X-Gm-Message-State: AIkVDXI+jJr+J5k/bN2pnYN+0xvqPBXSKcS6yt7wXbRBFkdqX9/s6TKCwuKJC2dxwnr8xQ== X-Received: by 10.159.39.105 with SMTP id a96mr39856402uaa.95.1483461340850; Tue, 03 Jan 2017 08:35:40 -0800 (PST) Received: from [192.168.0.105] ([38.87.234.125]) by smtp.gmail.com with ESMTPSA id a79sm21123201vke.9.2017.01.03.08.35.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Jan 2017 08:35:40 -0800 (PST) To: freebsd-net@freebsd.org From: Jordan Caraballo Subject: Disappointing packets-per-second performance results on a Dell,PE R530 Message-ID: <8f637e2e-cd59-dc65-8476-30989bea516b@gmail.com> Date: Tue, 3 Jan 2017 12:35:42 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.23 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: Tue, 03 Jan 2017 16:35:42 -0000 We recently tested a Dell R530 with a Chelsio T580 card, under FreeBSD 10= =2E3, 11.0, -STABLE and -CURRENT, and Centos 7. Based on our research, including netmap-fwd and with the routing improvem= ents project (https://wiki.freebsd.org/ProjectsRoutingProposal),=20 we hoped for packets-per-second (pps) in the 5+ million range, or even hi= gher. Based on prior testing (http://marc.info/?t=3D140604252400002&r=3D1&w=3D2= ), we expected 3-4 Million to be easily obtainable. Unfortunately, our current results top out at no more than 1.5 M (64 byte= s length packets) with FreeBSD, and surprisingly around 3.2 M (128 bytes length packets) with Centos 7, and w= e are at a loss as to why. Server Description: Dell PowerEdge R530 with 2 Intel(R) Xeon(R) E5=C2=AD2695 CPU's, 18 cores = per cpu. Equipped with a Chelsio T-580-CR dual port in an 8x slot. ** Can this be a lack in support issue related to the R530's hardware? **= Any help appreciated!