Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966141Ab3E3RvF (ORCPT ); Thu, 30 May 2013 13:51:05 -0400 Received: from mail-ie0-f178.google.com ([209.85.223.178]:46089 "EHLO mail-ie0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966031Ab3E3Rup (ORCPT ); Thu, 30 May 2013 13:50:45 -0400 MIME-Version: 1.0 In-Reply-To: <20130530081129.GF9799@lukather> References: <1369387394-9453-1-git-send-email-maxime.ripard@free-electrons.com> <20130530081129.GF9799@lukather> From: Richard Genoud Date: Thu, 30 May 2013 19:50:24 +0200 Message-ID: Subject: Re: [PATCHv3 RESEND 0/6] ARM: sunxi: Add support for A10 Ethernet controller To: Maxime Ripard Cc: davem@davemloft.net, Emilio Lopez , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kevin@allwinnertech.com, sunny@allwinnertech.com, shuge@allwinnertech.com, Stefan Roese , Florian Fainelli , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1043 Lines: 27 2013/5/30 Maxime Ripard : > > Did you look at the load while iperf was running? I guess we can expect > it to be pretty high since it runs without DMA. I just did the test. cpu is at 55%-60% root@debian:~# date ; iperf -c 192.168.1.10 -t 300 ; cat /proc/loadavg Thu May 30 17:43:13 UTC 2013 ------------------------------------------------------------ Client connecting to 192.168.1.10, TCP port 5001 TCP window size: 20.0 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.235 port 45459 connected with 192.168.1.10 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-300.0 sec 3.28 GBytes 94.0 Mbits/sec 0.83 0.71 0.43 1/46 1770 loadavg over a 5min at 0.71, yeah, that's pretty high... Richard. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/