Call For Testing: pm-utils-powersave-policy

Steve Langasek steve.langasek at
Fri Mar 19 15:31:02 GMT 2010

On Thu, Mar 18, 2010 at 09:00:54PM -0400, Chase Douglas wrote:
> >> few times to ensure the results are consistent. In the output you
> >> should find a "Power usage (ACPI estimate)" wattage that describes how
> >> much energy is used by the system.

> > I don't see a line like that, but I do see this:

> >    no ACPI power usage estimate available

> Make sure to unplug your laptop before running the test. I don't know
> for sure, but I'm guessing it's measuring battery drain, which won't
> work if you have it plugged in.

Correct - AFAIK the only place power usage is generally exposed over ACPI is
in battery monitoring, so you can't get a reading if your battery's not

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                          
slangasek at                                     vorlon at
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