PowerTOP is a Linux tool to diagnose issues with power consumption and power management.

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1
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0answers
30 views

Linux Wifi High Power Consumption

I'm running Fedora 20, kernel 3.15.6 and ath9 driver with an ateros card. My battery life is very short, on an older debian install I had around 3 to 4 hours, now I'm between 1 and 2 hours. Powertop ...
2
votes
0answers
60 views

High varying discharge rate

I got an Asus N76VB notebook. On Windows I can easily stay on battery for 3-4 hours in powersave mode, but on Linux (first Ubuntu 14.04, currently Fedora 20) the battery's discharge rate varies from ...
1
vote
0answers
64 views

Two “Audio codecs” have 100% power usage in PowerTOP - what does this mean?

Should I be worried? My battery power doesn't last long (~1hr), could this be the reason? How can I fix this (if it has to be fixed at all)?
4
votes
1answer
674 views

Powertop doesn't display Power est. column

When I run powertop, it doesn't display the "Power Est." column that shows the estimated power consumption in Watts of each row. It should look like in the screen capture here: MacBook Pro Retina: ...
2
votes
0answers
852 views

MacBook Pro Retina: huge power consumption

I'm currently running Debian/Jessie on a MacBook Pro Retina 10,1 15" (early-2103). Everything is going well (ethernet, WiFi, retina, etc.) but I worry about its power consumption. laptop-mode manages ...
0
votes
1answer
290 views

Openbox root autostart?

I want to run a script as root when the computer starts. This was earlier done in rc.local but not anymore. What i've tried: putting the script in /etc/profile.d adding the /pathto/script.sh in ...
3
votes
1answer
621 views

Power consumption monitoring problem

I used powertop v.2.1 under Ubuntu 12.04 but it missed the power est. column.It's the same situation as described https://bugzilla.redhat.com/show_bug.cgi?id=796068‎ and that bug is supposed to be ...
6
votes
2answers
4k views

How do I make Powertop's suggestions permanent?

When I run Powertop, and look at the Tunables screen, about twenty things are listed as Bad. I can toggle these to Good by pressing enter, and when I do so, projected battery lifetime doubles. How ...
5
votes
2answers
4k views

Powertop tunables: what does it do?

I just installed Powertop 1.98 on my laptop (T420 + FC15). There is a section called "Tunables". Half of my devices show as Bad. I see I can toggle from Bad to Good? What this section is for? What ...