24 lines
554 B
Nix
24 lines
554 B
Nix
{
|
|
lib,
|
|
pkgs,
|
|
config,
|
|
...
|
|
}: {
|
|
powerManagement.powertop.enable = true;
|
|
environment.systemPackages = with pkgs; [
|
|
powertop
|
|
];
|
|
services.udev.extraRules = let
|
|
mkRule = as: lib.concatStringsSep ", " as;
|
|
mkRules = rs: lib.concatStringsSep "\n" rs;
|
|
in
|
|
mkRules [
|
|
(mkRule [
|
|
''ACTION=="add|change"''
|
|
''SUBSYSTEM=="block"''
|
|
''KERNEL=="sd[a-z]"''
|
|
''ATTR{queue/rotational}=="1"''
|
|
''RUN+="${pkgs.hdparm}/bin/hdparm -B 90 -S ${builtins.toString (30 * 60 / 5)} /dev/%k"''
|
|
])
|
|
];
|
|
}
|