From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939381AbXGTRii (ORCPT ); Fri, 20 Jul 2007 13:38:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S937252AbXGTRiF (ORCPT ); Fri, 20 Jul 2007 13:38:05 -0400 Received: from rgminet01.oracle.com ([148.87.113.118]:56524 "EHLO rgminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764254AbXGTRiB (ORCPT ); Fri, 20 Jul 2007 13:38:01 -0400 Date: Fri, 20 Jul 2007 10:42:15 -0700 From: Randy Dunlap To: Ken Moffat Cc: Bill Davidsen , Linux Kernel M/L Subject: Re: [RFC] what should 'uptime' be on suspend? Message-Id: <20070720104215.476f4cc1.randy.dunlap@oracle.com> In-Reply-To: <20070720171729.GA19935@deepthought> References: <46A0210E.6010207@tmr.com> <20070720171729.GA19935@deepthought> Organization: Oracle Linux Eng. X-Mailer: Sylpheed 2.4.2 (GTK+ 2.8.10; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 20 Jul 2007 18:17:29 +0100 Ken Moffat wrote: > On Thu, Jul 19, 2007 at 10:42:22PM -0400, Bill Davidsen wrote: > > I just found a machine which will resume after suspend to memory, using > > the mainline kernel (no suspend2 patch). > > > > On resume I was looking at the uptime output, and it was about six > > minutes, FAR longer than the time since resume. So the topic for > > discussion is, should the uptime be > > - time sine the original boot > > - total uptime since first boot, not counting the time suspended > > - time since resume > > - some other time around six minutes > > > > Any of the first three could be useful and "right" for some casesm thus > > discussion invited. > > > My ibook has always been able to suspend to RAM. For a long while, > uptime was shown as the time since the last boot. At some point, > maybe about a year ago, this was "corrected" to show time since boot > _less_ time suspended. > > To be clear, the ibook suspends when I close the lid and resumes > when I open it. Uptime used to be convenient, because I could work > out when I'd last booted. man uptime: uptime - tell how long the system has been running I claim that the system is not running when it is suspended, so the suspension time should not be included in uptime. --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code ***