Subject: Re: power management
To: Jachym Holecek <>
From: Daniel Carosone <>
List: tech-kern
Date: 06/28/2006 17:52:20
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Just an ad-hoc comment in response to no particular part of this
thread, but related to several comments made:

It Would Be Nice If a power management framework with events from
battery and similar devices in the kernel was as easily usable by
systems with events from battery and similar devices in userspace.
I'm thinking, in particular, of events posted by daemons watching
serial ports (or SNMP or whatever) connected to an external UPS.

There's really no reason for these to be treated any differently, and
the policy for 'running on UPS' and 'battery low' events doesn't
necessarily need to change much regardless of whether the UPS and
battery are internal or not.  Servers might want to shut down
non-essential devices or processes to conserve UPS battery life.


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