From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: questions on NAPI processing latency and dropped network packets Date: Thu, 10 Jan 2008 10:41:56 -0800 Message-ID: <478666F4.50405@hp.com> References: <478654C3.60806@nortel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Chris Friesen Return-path: Received: from g5t0007.atlanta.hp.com ([15.192.0.44]:19966 "EHLO g5t0007.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754313AbYAJSl6 (ORCPT ); Thu, 10 Jan 2008 13:41:58 -0500 In-Reply-To: <478654C3.60806@nortel.com> Sender: netdev-owner@vger.kernel.org List-ID: > 1) Interrupts are being processed on both cpus: > > root@base0-0-0-13-0-11-1:/root> cat /proc/interrupts > CPU0 CPU1 > 30: 1703756 4530785 U3-MPIC Level eth0 IIRC none of the e1000 driven cards are multi-queue, so while the above shows that interrupts from eth0 have been processed on both CPUs at various points in the past, it doesn't necessarily mean that they are being processed on both CPUs at the same time right? rick jones