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39 lines
1.1 KiB
Nix
39 lines
1.1 KiB
Nix
{ config, pkgs, ... }:
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{
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# Temporary fix for cpu throttling issues visible in the kernel log
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# (journalctl -k) by setting the same temperature limits used by
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# Window$
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# See https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6)#Power_management.2FThrottling_issues
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systemd.services.cpu-throttling = {
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enable = true;
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description = "Sets the offset to 3 °C, so the new trip point is 97 °C";
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documentation = [
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"https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6)#Power_management.2FThrottling_issues"
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];
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path = [ pkgs.msr-tools ];
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script = "wrmsr -a 0x1a2 0x3000000";
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serviceConfig = {
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Type = "oneshot";
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};
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wantedBy = [
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"timers.target"
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];
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};
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systemd.timers.cpu-throttling = {
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enable = true;
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description = "Set cpu heating limit to 97 °C";
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documentation = [
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"https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6)#Power_management.2FThrottling_issues"
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];
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timerConfig = {
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OnActiveSec = 60;
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OnUnitActiveSec = 60;
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Unit = "cpu-throttling.service";
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};
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wantedBy = [
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"timers.target"
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];
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};
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}
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