nixos/profiles/builder.nix

   1 { lib, inputs, ... }:
   2 {
   3   nix.settings.experimental-features = [
   4     "nix-command"
   5     "flakes"
   6   ];
   7   #nix.registry.self.flake = inputs.self;
   8   nix.nixPath = [
   9     "nixpkgs=${inputs.nixpkgs}"
  10   ];
  11
  12   systemd.services.nix-daemon.serviceConfig = {
  13     CPUSchedulingPolicy = lib.mkForce "batch";
  14     IOSchedulingClass = lib.mkForce "best-effort";
  15     # 0: high priority, 7: low priority
  16     IOSchedulingPriority = lib.mkForce 4;
  17     Nice = 0;
  18   };
  19
  20   systemd.services.nix-gc.serviceConfig = {
  21     CPUSchedulingPolicy = "batch";
  22     IOSchedulingClass = "best-effort";
  23     IOSchedulingPriority = 7;
  24     Nice = 5;
  25   };
  26
  27   systemd.sleep.extraConfig = ''
  28     AllowSuspend=no
  29     AllowHibernation=no
  30   '';
  31 }