feat: add perf & pwru

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>

modules/packages.nix

@@ -1,4 +1,4 @@
-{ pkgs, inputs, ... }: {
+{ pkgs, config, inputs, ... }: {
   # this extends the list from:
   # https://github.com/numtide/srvos/blob/master/server.nix#L10
   environment.systemPackages = with pkgs; [
@@ -34,6 +34,9 @@
     ethtool
     usbutils
 
+    config.boot.kernelPackages.perf
+    pwru
+
     ipmitool
     # tries to default to soft-float due to out-dated cc-rs
   ] ++ lib.optional (!stdenv.hostPlatform.isRiscV) bandwhich;