Questions tagged [cpupower]
Questions relating to the Linux cpupower command. Used for power saving for processors and other related power tools.
11
questions
0
votes
1
answer
402
views
How to install cpupower on Ubuntu 22.04
sudo apt-get install cpupower
Installation error:
E: Unable to locate package cpupower
I have no idea why this error might be caused
- 1
4
votes
3
answers
9k
views
How to install cpupower on Ubuntu 20.04 with kernel 5.17+
I'm testing the new amd-pstate driver on my laptop, I've installed the latest kernel 5.18 via ppa:tuxinvader/lts-mainline, changed some boot options and everything works flawlessly.
Unfortunately when ...
- 155
0
votes
0
answers
514
views
How to set minimum CPU frequency?
I am trying to set the minimum frequency of my CPU in ubuntu. Basically, the minimum my CPU runs in Windows is 2%, and in ubuntu it is 19%. Is there some way to change it from 19% to 2%? I tried using ...
0
votes
0
answers
710
views
cpu max frequency
I am trying to change my cpu max frequency. I have tried with tlp, cpupower, and the solution in this same forum (the one that goes: for x in /sys/devices/system/cpu/*/cpufreq/; do echo 1700000 | sudo ...
1
vote
0
answers
2k
views
CPU frequencies manually set using cpufreq doesn't seem to be effective anymore after sleep
I have set the frequencies of the 4 cores of my Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz CPU to lower values (800Mhz) for energy saving when using the computer on the field using this command:
for i ...
- 1,200
0
votes
1
answer
585
views
cpupower frequency-set asks for permission despite being added to /etc/sudoers
Recently cpupower stopped working when calling it without sudo.
I have the following line in /etc/sudoers/.
dimfred dimfred-schlap= NOPASSWD: /usr/bin/cpupower frequency-set *
Is this correct? AFAIK *...
- 31
3
votes
2
answers
1k
views
can't control cpu frequencies in 19.10 on 7390 xps 13 2-in-1
I have been unable to control the cpu frequencies using either tlp, or cpupower, or other tools. Kernel version is 5.3.0-19-generic.
I tried using intel_pstate active or turning off intel pstate with ...
- 71
3
votes
2
answers
11k
views
Ubuntu 18.04 Kernel (5.0.13) cpupower does not run
I am using the Lenovo Thinkpad e490. I installed dual-boot with Windows, but I had a couple of issues so I updated my Kernel to 5.0.13 (I read in a forum that this version fixes some problems, but ...
- 31
2
votes
0
answers
365
views
How do I make cpupower frequency-set not reset at boot? [duplicate]
when I set cpu frequency range with this command:
sudo cpupower frequency-set -d 500MHz -u 2700MHz
the frequency range is succesfully set to these values, but when I reboot and do:
sudo cpupower ...
- 21
0
votes
2
answers
3k
views
CPUFreq: Only 'ondemand' and 'powersave' governors work when laptop's running on battery
So I'd like to be able to use my laptop however I want while it's discharging. Problem is, my Acer Aspire 5 has two AMD GPUs: AMD R7 M440, which is my integrated gpu and RX540, the dedicated gpu.
When ...
1
vote
1
answer
3k
views
Monitoring CPU freq in real time
I have 16.04 LTS installed on a Ryzen 1700X computer. I am able to see the frequency of each of the individual 16 threads by running the command sudo cpupower monitor. Along with the frequencies, it ...
- 3,308