From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: [PATCH v6] net: batch skb dequeueing from softnet input_pkt_queue Date: Mon, 26 Apr 2010 17:03:11 -0400 Message-ID: <1272315791.8918.41.camel@bigi> References: <1272010378-2955-1-git-send-email-xiaosuo@gmail.com> <1272014825.7895.7851.camel@edumazet-laptop> <1272060153.8918.8.camel@bigi> <1272118252.8918.13.camel@bigi> <1272290584.19143.43.camel@edumazet-laptop> Reply-To: hadi@cyberus.ca Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Changli Gao , "David S. Miller" , Tom Herbert , Stephen Hemminger , netdev@vger.kernel.org To: Eric Dumazet Return-path: Received: from mail-px0-f174.google.com ([209.85.212.174]:43550 "EHLO mail-px0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751918Ab0DZVDQ (ORCPT ); Mon, 26 Apr 2010 17:03:16 -0400 Received: by pxi17 with SMTP id 17so1860909pxi.19 for ; Mon, 26 Apr 2010 14:03:15 -0700 (PDT) In-Reply-To: <1272290584.19143.43.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 2010-04-26 at 16:03 +0200, Eric Dumazet wrote: > > Jamal, I have a Nehalem setup now, and I can see > _raw_spin_lock_irqsave() abuse is not coming from network tree, but from > clockevents_notify() yikes. Thanks Eric - I shouldve been able to figure that one out. But why is this thing expensive? I will run the test tommorow and see if i see the same thing. cheers, jamal