From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: bad TSO performance in 2.6.9-rc2-BK Date: Mon, 20 Sep 2004 22:30:21 +0200 Sender: netdev-bounce@oss.sgi.com Message-ID: <20040920203021.GD4242@wotan.suse.de> References: <20040920063012.GL2825@krispykreme> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@oss.sgi.com Return-path: To: Anton Blanchard Content-Disposition: inline In-Reply-To: <20040920063012.GL2825@krispykreme> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Mon, Sep 20, 2004 at 04:30:13PM +1000, Anton Blanchard wrote: > > Hi, > > I just tried latest 2.6.9-rc2-BK on a machine with an e1000 on it. With > TSO off it does about 100MB/sec. With TSO on it does between 1MB/sec and > 10MB/sec. I see the same problem here, but it's even worse. I only get 150-200KB/s sending data with scp from a fast machine with e1000 with a gigabit link. netperf also gives only 250KB/s. -Andi