Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264165AbTKSWkT (ORCPT ); Wed, 19 Nov 2003 17:40:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264169AbTKSWkT (ORCPT ); Wed, 19 Nov 2003 17:40:19 -0500 Received: from zcars04f.nortelnetworks.com ([47.129.242.57]:60903 "EHLO zcars04f.nortelnetworks.com") by vger.kernel.org with ESMTP id S264165AbTKSWkQ (ORCPT ); Wed, 19 Nov 2003 17:40:16 -0500 Message-ID: <3FBBF148.20203@nortelnetworks.com> Date: Wed, 19 Nov 2003 17:40:08 -0500 X-Sybari-Space: 00000000 00000000 00000000 00000000 From: Chris Friesen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.8) Gecko/20020204 X-Accept-Language: en-us MIME-Version: 1.0 To: linux-kernel Subject: high res timestamps and SMP Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 791 Lines: 25 We have a requirement to have high-res timestamps available on SMP systems. Assuming that we are running identical cpus, is a sync-up at boot time enough to give usable time values, or do I need to do force periodic re-syncs? We're currently looking at MIPS, x86 (Xeons), and PPC. Thanks, Chris -- Chris Friesen | MailStop: 043/33/F10 Nortel Networks | work: (613) 765-0557 3500 Carling Avenue | fax: (613) 765-2986 Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com - 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/