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