From 1e2feafd9f636fb0d06b16e47ff35cde3da84217 Mon Sep 17 00:00:00 2001
From: Antoine Viallon <antoine@lesviallon.fr>
Date: Tue, 8 Feb 2022 12:12:35 +0100
Subject: [PATCH] [Services] Make HDD protection service run in hard-realtime

---
 services.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/services.nix b/services.nix
index 9b0ae4f..96ad61e 100644
--- a/services.nix
+++ b/services.nix
@@ -94,6 +94,17 @@ in {
       })
     ] (x: builtins.toJSON x));
 
+
+    systemd.services."hdapsd@" = {
+      serviceConfig = {
+        Nice = -20;
+        CPUSchedulingPolicy = "fifo";
+        CPUSchedulingPriority = 99;
+        IOSchedulingClass = "realtime";
+        IOSchedulingPriority = 0;
+      };
+    };
+
     programs.gnupg = {
       agent.enable = true;
       dirmngr.enable = true;