Questions tagged [cpupower]

Questions relating to the Linux cpupower command. Used for power saving for processors and other related power tools.

Filter by
Sorted by
Tagged with
1
vote
0answers
40 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 ...
0
votes
1answer
214 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 *...
0
votes
0answers
21 views

How to use cpupower?

I want to set a CPU limit on my server. I tried it using this command: sudo cpupower frequency-set -u 50 It set it for all CPU cores but the limit doesn't work. I even tried to set it to 1 but still ...
2
votes
2answers
700 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 ...
0
votes
0answers
4k 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 ...
2
votes
0answers
322 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 ...
0
votes
2answers
2k 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
1answer
1k 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 ...