Setup slurm and gitlab-runner

boot.nix

@@ -1,4 +1,4 @@
-{ ... }:
+{ lib, ... }:
 
 {
   # Use the GRUB 2 boot loader.
@@ -8,9 +8,25 @@
   # Select the this using the ID to avoid mismatches
   boot.loader.grub.device = "/dev/disk/by-id/ata-INTEL_SSDSC2BB240G7_PHDV6462004Y240AGN";
 
+  # Enable GRUB2 serial console
+  boot.loader.grub.extraConfig = ''
+    serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
+    terminal_input --append serial
+    terminal_output --append serial
+  '';
+
   # Enable serial console
   boot.kernelParams = [
     "console=tty1"
     "console=ttyS0,115200"
   ];
+
+  boot.kernelPatches = lib.singleton {
+    name = "osnoise-tracer";
+    patch = null;
+    extraStructuredConfig = with lib.kernel; {
+      OSNOISE_TRACER = yes;
+      HWLAT_TRACER = yes;
+    };
+  };
 }