{ config, pkgs, lib, ... }: let inherit (lib) mkIf mkEnableOption; cfg = config.aa.system.monitoring; in { options.aa.system.monitoring = { enable = mkEnableOption "monitoring"; }; config = mkIf cfg.enable { environment.systemPackages = with pkgs; [ btop htop lm_sensors powertop ]; powerManagement.powertop.enable = true; }; }