Added powertop config

modules/monitoring/powertop/default.nix

@@ -0,0 +1,20 @@
+{
+  options,
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.aa.monitoring.powertop;
+in {
+  options.aa.monitoring.powertop = with types; {
+    enable = mkEnableOption "powertop";
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [powertop];
+
+    powerManagement.powertop.enable = true;
+  };
+}

systems/x86_64-linux/gospel/default.nix

@@ -43,6 +43,8 @@
     hardware.audio.enable = true;
 
     system.zfs.enable = true;
+
+    monitoring.powertop.enable = true;
   };
 
   boot.binfmt.emulatedSystems = ["aarch64-linux" "armv6l-linux"];