linux-kernel - Re: Broken process startup times after suspend (regression)

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Message-ID: <20070510113623.GB4052@ucw.cz>
Date:	Thu, 10 May 2007 11:36:24 +0000
From:	Pavel Machek <pavel@....cz>
To:	Albert Cahalan <acahalan@...il.com>
Cc:	johnstul@...ibm.com, tjanouse@...hat.com,
	linux-kernel@...r.kernel.org, tsmetana@...hat.com, riel@...hat.com
Subject: Re: Broken process startup times after suspend (regression)

Hi!

> >Indeed. The monotonic clock's behavior around suspend 
> >and resume
> >is poorly defined. When we increased it, folks didn't 
> >like the
> >fact that uptime would increase while a system was 
> >suspended.
> 
> The uptime really does need to increase during suspend. 
> Otherwise,
> things get really weird with devices like the OLPC XO 
> which will be
> sleeping between keystrokes. You could run the device 
> for hours,
> yet get an uptime of only a few minutes. Suspended time 
> should get
> counted as stolen time, same as when a hypervisor takes 
> away time.

Yes, please. Just revert the offending patches, we don't want another
/proc/stat field.
							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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