From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 28 May 2002 07:40:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 28 May 2002 07:40:28 -0400 Received: from pizda.ninka.net ([216.101.162.242]:8353 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Tue, 28 May 2002 07:40:27 -0400 Date: Tue, 28 May 2002 04:25:14 -0700 (PDT) Message-Id: <20020528.042514.92633856.davem@redhat.com> To: dipankar@in.ibm.com Cc: linux-kernel@vger.kernel.org Subject: Re: 8-CPU (SMP) #s for lockfree rtcache From: "David S. Miller" In-Reply-To: <20020528171104.D19734@in.ibm.com> X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Dipankar Sarma Date: Tue, 28 May 2002 17:11:04 +0530 Here are the results in terms of profile counts in ip_route_output_key() - gc stands for neighbor table garbage collection adjustment and u2000 stands for 2ms packet rate delay. All measurements where done based on 2.5.3 kernel. Thanks, I am convinced RCU is the way to go. Once the generic RCU bits are in the 2.5.x tree, feel free to send me your ipv4 routing cache changes.