Questions tagged [powertop]
The powertop tag has no usage guidance.
9
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6
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How to debug tick_sched_timer high power usage?
My tick_sched_timer is using a lot of power, this is the output of powertop:
The battery reports a discharge rate of 24.7 W
The power consumed was 516 J
The estimated remaining time is 3 ...
- 161
11
votes
2
answers
8k
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Why tick_sched_timer uses so much power on Linux
According to my powertop (on 5.3.1 kernel):
Power est. Usage Events/s Category Description
...
3.85 W 7,7 ms/s 437,0 Timer tick_sched_timer
3....
- 295
1
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0
answers
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Huge power drain since I switched from Windows to Linux
I have just recently installed Linux aside from Windows on my Huawei Matebook X Pro, but faced significantly less battery life than on Windows. When I switch to Windows I get around 10 hours while ...
- 11
0
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1
answer
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Linux - Make powertop tweaks only temporary
I use ubuntu linux. I usually have 6hrs of battery life. However I'd like to squeeze in more.
I'm afraid to use powertop because I don't know if the tweaks are permanent or last until reboot.
How to ...
- 247
2
votes
0
answers
195
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Bluetooth won't work after running powertop -c
I'm on Manjaro Linux.
I ran powertop -c, and after the calibration process, my bluetooth stoped working.
Here are the ouputs of somme commands I ran:
$ lsmod | grep bluetooth
bluetooth ...
- 1,297
0
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2
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2k
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Can't set Qualcomm Atheros AR9485 card power on laptop under Linux
I've been trying to set the power management on my wireless card. I looked at PowerTOP and I tried setting power management on the wireless card, but it doesn't work. When I tried using the command ...
- 90
2
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0
answers
287
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How do I disable devices to conserve power?
I run ArchLinux on a Lenovo G series and downloaded powertop and it says that USB bluetooth and "USB device: Lenovo EasyCamera" are drawing a lot of power. While it advised I implement these rule:
...
1
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1
answer
290
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Power Saving in Ubuntu ( Linux )
I installed the PowerTop application in Ubuntu 11.04 and according to it, npviewer.bin is consuming more power than other processes.
What is npviewer.bin? Why does it take most of the computer's ...
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1
vote
1
answer
797
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Load balancing tick
After Ubuntu upgrade (some time ago, from rather ancient version), my Lenovo S10 netbook fan does not stop.
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: ...
