[Cin] ot: intel_pstate

Андрей Спицын spitsyn.andrey at gmail.com
Sat Mar 2 07:57:20 CET 2024

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.

Best regards,

сб, 2 мар. 2024 г., 03:16 Andrew Randrianasulu via Cin <
cin at lists.cinelerra-gg.org>:

> My laptop was making noises under load, and sadly trayfreq was unable to
> set cpu frequency for some reason. I poked around /sys and found
> intel_pstate driver can be configured this way:
> 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.
> inxi
> CPU: dual core Intel Core i5-2450M (-MT MCP-) speed/min/max: 798/800/3100
> MHz                      Kernel: 5.6.14-x64 x86_64 Up: 27d 14m
> Mem: 2453.5/5887.8 MiB (41.7%)                               Storage:
> 610.63 GiB (76.4% used) Procs: 227 Shell: Bash inxi: 3.3.12
> I hope this might help Phyllis with her overheating intel laptop .....
> --
> Cin mailing list
> Cin at lists.cinelerra-gg.org
> https://lists.cinelerra-gg.org/mailman/listinfo/cin
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