linux-kernel - Re: [ANNOUNCE] System Inactivity Monitor v1.0

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Message-ID: <87lkjthdmd.fsf@gmx.it>
Date:	Tue, 23 Jan 2007 18:11:38 +0100
From:	Alessandro Di Marco <dmr@....it>
To:	Pavel Machek <pavel@....cz>
Cc:	linux-kernel@...r.kernel.org, vojtech@...e.cz
Subject: Re: [ANNOUNCE] System Inactivity Monitor v1.0

Pavel Machek <pavel@....cz> writes:

   >    But I still believe it can be out.
   >
   > Do you believe it could be a user-space daemon or what?

   Yes, what prevents userspace daemon watching /dev/input/event* to
   provide this functionality?

Well that was my first attempt. Just an hack, but it works. Nonetheless I found
the kernel-level approach fitting better the problem: it is elegant, simpler
and more efficient than user-level one.

For example, the subsystem provides at kernel-level handy
hiberante/suspend/resume callbacks that I use to turn on/off the timer,
avoiding the time-warp problem. Doing that at user-level would be far more
messy...

Bye

--
An age is called Dark not because the light fails to shine, but because people
refuse to see it. - James Michener, Space
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