From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964951AbVLUXQF (ORCPT ); Wed, 21 Dec 2005 18:16:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964952AbVLUXQF (ORCPT ); Wed, 21 Dec 2005 18:16:05 -0500 Received: from viper.oldcity.dca.net ([216.158.38.4]:15552 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S964951AbVLUXQD (ORCPT ); Wed, 21 Dec 2005 18:16:03 -0500 Subject: Re: 2.6.14-rt22 (and mainline): netstat -anop triggers excessive latencies From: Lee Revell To: Steven Rostedt Cc: Ingo Molnar , linux-kernel In-Reply-To: <1135204629.14810.43.camel@localhost.localdomain> References: <1135145065.29182.10.camel@mindpipe> <1135204629.14810.43.camel@localhost.localdomain> Content-Type: text/plain Date: Wed, 21 Dec 2005 18:19:45 -0500 Message-Id: <1135207186.31433.15.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.4.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2005-12-21 at 17:37 -0500, Steven Rostedt wrote: > So it really does improve the latency here. Now is this worth the > overhead? This might be useful in other places to. Thanks, I'll try this. But, AFAICT CONFIG_PREEMPT_SOFTIRQS is a much smaller patch... ;-) Lee