From owner-freebsd-chat@FreeBSD.ORG  Mon Mar 26 14:32:35 2007
Return-Path: <owner-freebsd-chat@FreeBSD.ORG>
X-Original-To: freebsd-chat@freebsd.org
Delivered-To: freebsd-chat@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 34CCF16A404
	for <freebsd-chat@freebsd.org>; Mon, 26 Mar 2007 14:32:35 +0000 (UTC)
	(envelope-from deeptech71@gmail.com)
Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.184])
	by mx1.freebsd.org (Postfix) with ESMTP id B9F6813C4AE
	for <freebsd-chat@freebsd.org>; Mon, 26 Mar 2007 14:32:34 +0000 (UTC)
	(envelope-from deeptech71@gmail.com)
Received: by nf-out-0910.google.com with SMTP id k27so2653211nfc
	for <freebsd-chat@freebsd.org>; Mon, 26 Mar 2007 07:32:33 -0700 (PDT)
DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta;
	h=domainkey-signature:received:received:message-id:date:from:user-agent:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding;
	b=smFJJqhwwuj1EL0HFRFt4JKDCIx28t6hZMiqnjbK0KWYgCNX9HtWio1+X68bXwKgM5HXCU4WtKbSoPai1I/mFXnx0YVkvMo6LaXbENjuv1yClhUbiyfmyKpgmrDAx3oSIsLJpFGkGOYXGjcBIWnzemEgXz78wtrc4KHPFi7wzm4=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta;
	h=received:message-id:date:from:user-agent:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding;
	b=HeXkONbAY7UyplEk7+MCvelqvEiskXZxadrW6zOOjvXKLluWknOo4/AtgMExhi/G5LrbaX/j9iIEJGb3baokpiZZeoT/38rMAhzGgTXoac2YDF3VICCU7/zNNPzXd8Ot7uKeeMmwRHDKtoTQ9u3/8W0lP3reBwePIvuwOlBTbuc=
Received: by 10.78.138.14 with SMTP id l14mr2998465hud.1174919552704;
	Mon, 26 Mar 2007 07:32:32 -0700 (PDT)
Received: from ?192.168.123.111? ( [84.2.7.169])
	by mx.google.com with ESMTP id g1sm28386496muf.2007.03.26.07.32.31;
	Mon, 26 Mar 2007 07:32:31 -0700 (PDT)
Message-ID: <4607D9CB.9080406@gmail.com>
Date: Mon, 26 Mar 2007 16:33:47 +0200
From: deeptech71@gmail.com
User-Agent: Thunderbird 1.5.0.9 (Windows/20061207)
MIME-Version: 1.0
To: freebsd-chat@freebsd.org
References: <200703251900.l2PJ0Z8w058298@lurza.secnetix.de>
	<4606D88E.4080503@gmail.com>
	<20070326134452.L69197@tribble.ilrt.bris.ac.uk>
In-Reply-To: <20070326134452.L69197@tribble.ilrt.bris.ac.uk>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: 64bit timestamp
X-BeenThere: freebsd-chat@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Non technical items related to the community
	<freebsd-chat.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-chat>,
	<mailto:freebsd-chat-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-chat>
List-Post: <mailto:freebsd-chat@freebsd.org>
List-Help: <mailto:freebsd-chat-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-chat>,
	<mailto:freebsd-chat-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 26 Mar 2007 14:32:35 -0000

Jan Grant wrote:
> On Sun, 25 Mar 2007, deeptech71@gmail.com wrote:
> 
>> Oliver Fromme wrote:
>>
>> Giorgos Keramidas wrote:
>>> On 2007-03-25 01:36, deeptech71@gmail.com wrote:
>>>> Oliver Fromme wrote:
>>>>> FreeBSD's UFS2 already uses 96bit timestamps, where 64 bits are used
>>>>> for seconds and 32 bits are used for nanoseconds.  Is that sufficient
>>>>> for you?
>>>> What the hell for?
>>> ``Just because it can.''
>> Good. :] 2x64bit for x64?
> 
> To measure what? Even at nanosecond resolution, the notion of 
> timestamping an event seems a little arbitrary. Much beyond it and it's 
> not clear exactly what you're "measuring" - or even if there is any 
> physical interpretation.
> 
> 

Yeah exactly, something's just redunant.