power settings for server

configurations/server.nix

@@ -83,10 +83,7 @@ let
       ];
 
       services = {
-        power-profiles-daemon.enable = lib.mkForce false;
         earlyoom.enable = true;
-        auto-cpufreq.enable = true;
-        throttled.enable = false;
         journald = {
           extraConfig = ''
             SystemMaxUse=512M

modules/server/default.nix

@@ -21,6 +21,7 @@
     ./nix-serve.nix
     ./onlyoffice.nix
     ./postgresql.nix
+    ./power.nix
     ./samba.nix
     ./step-ca.nix
     ./syncthing.nix

modules/server/power.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  services = {
+    tuned = {
+      enable = true;
+    };
+    auto-cpufreq.enable = false;
+    power-profiles-daemon.enable = lib.mkForce false;
+    throttled.enable = false;
+  };
+
+  environment = {
+    systemPackages = with pkgs; [
+      cpupower-gui
+    ];
+  };
+}