From 9ba8f7d8b3446e7534875ada648227c75f865503 Mon Sep 17 00:00:00 2001
From: Richard Marko <srk@48.io>
Date: Thu, 11 Aug 2022 09:55:41 +0200
Subject: [PATCH] services/klipper: add CPUScheduling and IOScheduling tuning

---
 nixos/modules/services/misc/klipper.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nixos/modules/services/misc/klipper.nix b/nixos/modules/services/misc/klipper.nix
index 4c0b67a98ca..34e9acc7192 100644
--- a/nixos/modules/services/misc/klipper.nix
+++ b/nixos/modules/services/misc/klipper.nix
@@ -130,6 +130,10 @@ in
           SupplementaryGroups = [ "dialout" ];
           WorkingDirectory = "${cfg.package}/lib";
           OOMScoreAdjust = "-999";
+          CPUSchedulingPolicy = "rr";
+          CPUSchedulingPriority = 99;
+          IOSchedulingClass = "realtime";
+          IOSchedulingPriority = 0;
         } // (if cfg.user != null then {
           Group = cfg.group;
           User = cfg.user;