[Cin] ot: intel_pstate

Phyllis Smith phylsmith2017 at gmail.com
Sat Mar 2 22:27:11 CET 2024

Thank you Andrew and Andrey.

> The cpupower utility can be used to set minimum and maximum cpu
> frequencies and frequency scaling governor.  I use it on my intel and amd
> laptops. With some governor you can't set frequencies, try to change them.
> I hope this helps.
Yes, this helped - laptop was cooler when I used the "powersave" governor
and it was OK that the build took longer since I wanted to do other things
at the same time.

>> echo 25 > /sys/devices/system/cpu/intel_pstate/max_perf_pct
>> this sets max frequency to 800 mhz instead of 2.5/3.0 ghz as usual.
>> note that 25 is percentage, and on different core iXXX processors results
>> can be different.
>> ...
>> I hope this might help Phyllis with her overheating intel laptop .....
>> Yes, this motivated me to find a solution. I had to use cpupower utility
because it was an AMD laptop instead of intel.
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