From 72e9e9dd3b6293ad373111d4d3493601cd88eacf Mon Sep 17 00:00:00 2001
From: Andre <andre@8bitbuddhism.com>
Date: Sun, 7 Jul 2024 10:48:51 -0400
Subject: [PATCH] Khanda: change I/O scheduler to BFQ

---
 hosts/Khanda/hardware-configuration.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hosts/Khanda/hardware-configuration.nix b/hosts/Khanda/hardware-configuration.nix
index 2eefae4..50c42f3 100644
--- a/hosts/Khanda/hardware-configuration.nix
+++ b/hosts/Khanda/hardware-configuration.nix
@@ -81,6 +81,11 @@ in
     };
   };
 
+  # Change I/O scheduler to BFQ to try and reduce stuttering under load.
+  services.udev.extraRules = ''
+    ACTION=="add|change", KERNEL=="nvme0*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="bfq"
+  '';
+
   hardware = {
     cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
     # Enable camera driver