Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754946AbYC1RMy (ORCPT ); Fri, 28 Mar 2008 13:12:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753680AbYC1RMn (ORCPT ); Fri, 28 Mar 2008 13:12:43 -0400 Received: from twin.jikos.cz ([213.151.79.26]:34056 "EHLO twin.jikos.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753558AbYC1RMm (ORCPT ); Fri, 28 Mar 2008 13:12:42 -0400 Date: Fri, 28 Mar 2008 18:12:22 +0100 (CET) From: Jiri Kosina X-X-Sender: jikos@twin.jikos.cz To: Michael Chan cc: Harald Hannelius , David Miller , linux-kernel@vger.kernel.org, netdev Subject: Re: tg3 bad performance, lots of hardware interrupts In-Reply-To: <1206726560.6866.5.camel@dell> Message-ID: References: <20080327.144925.196529669.davem@davemloft.net> <1206666100.5368.6.camel@dell> <1206726560.6866.5.camel@dell> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 877 Lines: 22 On Fri, 28 Mar 2008, Michael Chan wrote: > > Phew, I thought that running ethtool -t was like doing stop-A-sync on > > a Sun. It took almost half an hour to run that ethtool -t command; > Something is very wrong. ethtool -t should only take a few seconds to > complete. You can try ethtool -t eth0 online to reduce the number of > tests to see if it makes a difference. > How many of these NICs do you have? If you have more than one, do they > all behave the same way? Have they ever worked well before? Harald, is the IRQ of eth0 shared with any other device? (cat /proc/interrupts will show). -- Jiri Kosina SUSE Labs -- 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/