Colin Guthrie wrote:
> Steve Morris wrote:
>> Ever since I have installed 2008.1 from scratch, after wiping 2008.0,
>> and running kpowersave with the powersave theme is extremely power
>> hungry. Under 2008.0 my battery lasted about 1 hour 15 minutes, under
>> 2008.1 I am lucky if it lasts 1/2 an hour. How do I increase the time
>> the battery lasts, or work out what is causing the power drain?
>
> Use (i.e. google to learn about) powertop.
Thanks Col,
Is powertop on the 2008.1 mirrors or is it a third party package that
needs to be installed?
>
> This should help identify the bottlenecks.
>
> While I hate to admit it, pulseaudio could be waking up your system a
> bit more often than just plain alsa. This will change however with the
> next release of pulseaudio which will use dynamic buffer sizing and
> some advanced cleverness to actually cause far fewer wakeups... less
> than pure alsa surprisingly (if I've understood it correctly!)
>
> So you can always try some metrics by disabling PA and see if that
> helps battery life. Also you can disable bluetooth and other wireless
> if you don't use them as they are real hogs.
>
How do I disable PA, I have looked for how it is started in cooker and
been unable to find it. I don't have bluetooth or wireless active as far
as I am aware as neither of these is built in to the laptop.
regards,
Steve
> Col
>
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