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30 lines
770 B
Nix
30 lines
770 B
Nix
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{ config, pkgs, lib, ... }:
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{
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#
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# Pin CPU frequency
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#
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# https://unix.stackexchange.com/a/265611
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# See current speed of each core:
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# watch -n.1 "grep \"^[c]pu MHz\" /proc/cpuinfo"
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#
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# https://wiki.archlinux.org/title/CPU_frequency_scaling#Userspace_tools
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# Gnome uses power-profiles-daemon wich conflicts with tlp.
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# https://discourse.nixos.org/t/cant-enable-tlp-when-upgrading-to-21-05/13435/3
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services.power-profiles-daemon.enable = false;
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services.tlp = {
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enable = true;
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# https://linrunner.de/tlp/settings/processor.html
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settings = {
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CPU_SCALING_MIN_FREQ_ON_AC = 1400000;
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CPU_SCALING_MAX_FREQ_ON_AC = 1400000;
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# Probably useless whenn setting fixed CPU freq above.
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CPU_BOOST_ON_AC = 0;
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};
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};
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}
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