Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264694AbTFFHuj (ORCPT ); Fri, 6 Jun 2003 03:50:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264703AbTFFHuj (ORCPT ); Fri, 6 Jun 2003 03:50:39 -0400 Received: from rth.ninka.net ([216.101.162.244]:38785 "EHLO rth.ninka.net") by vger.kernel.org with ESMTP id S264694AbTFFHui (ORCPT ); Fri, 6 Jun 2003 03:50:38 -0400 Subject: Re: GE traffic statistics (/proc/net/dev) From: "David S. Miller" To: uaca@alumni.uv.es Cc: linux-kernel@vger.kernel.org In-Reply-To: <20030605142005.GA9292@pusa.informat.uv.es> References: <20030605142005.GA9292@pusa.informat.uv.es> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1054886644.23214.0.camel@rth.ninka.net> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 06 Jun 2003 01:04:05 -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 724 Lines: 17 On Thu, 2003-06-05 at 07:20, uaca@alumni.uv.es wrote: > I found very extrange that, for this device, stats on /proc/net/dev updates > each second (more or less), that is, not in sub-second intervals. Again note > this only happens for this device and not for other NIC card (Fast-Ethernet > card, e100). The chip only periodically sends updated statistics to main memory via DMA, the interval can be changed using the 'ethtool' utility. -- David S. Miller - 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/