646b892680
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41 lines
1.1 KiB
Nix
41 lines
1.1 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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cfg = config.services.throttled;
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in
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{
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options = {
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services.throttled = {
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enable = lib.mkEnableOption "fix for Intel CPU throttling";
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extraConfig = lib.mkOption {
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type = lib.types.str;
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default = "";
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description = "Alternative configuration";
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};
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};
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};
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config = lib.mkIf cfg.enable {
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systemd.packages = [ pkgs.throttled ];
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# The upstream package has this in Install, but that's not enough, see the NixOS manual
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systemd.services.throttled.wantedBy = [ "multi-user.target" ];
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environment.etc."throttled.conf".source =
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if cfg.extraConfig != "" then
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pkgs.writeText "throttled.conf" cfg.extraConfig
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else
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"${pkgs.throttled}/etc/throttled.conf";
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hardware.cpu.x86.msr.enable = true;
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# Kernel 5.9 spams warnings whenever userspace writes to CPU MSRs.
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# See https://github.com/erpalma/throttled/issues/215
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hardware.cpu.x86.msr.settings.allow-writes =
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lib.mkIf (lib.versionAtLeast config.boot.kernelPackages.kernel.version "5.9") "on";
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};
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}
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