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Date: Tue, 17 Feb 2009 06:46:30 -0800
From: Arjan van de Ven <arjan@infradead.org>
To: Brian Swetland <swetland@google.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>, "Rafael J. Wysocki" <rjw@sisk.pl>,
       "Woodruff, Richard" <r-woodruff2@ti.com>,
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       mark gross <mgross@linux.intel.com>, Uli Luckas <u.luckas@road.de>,
       Igor Stoppa <igor.stoppa@nokia.com>, Len Brown <lenb@kernel.org>
Subject: Re: [RFD] Automatic suspend
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On Tue, 17 Feb 2009 06:20:01 -0800
Brian Swetland <swetland@google.com> wrote:

> Of course that still doesn't address userspace.  Aggressively going to
> suspend lets us compensate for userspace programs that do somewhat
> silly things (I agree that it would be best if they didn't but they
> do and getting *everyone* to write their userspace code to avoid
> spinning or avoid waking up on short-duration timers to poll is a
> losing battle).

actually with powertop... on the open source side things are actually
won. It took all of 6 months...
I don't see that as a valid excuse. In fact, if this kind of solution
makes real userspace scheduled timers to be missed then I consider it a
serious functionality misfeature.


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
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