From ece97f0e92ef1589043691b49efdc45a4463ffd6 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@hoyer.xyz>
Date: Wed, 12 Feb 2025 14:12:57 +0100
Subject: [PATCH 1/2] feat(nixos): add btop to default service packages

Added btop to the default package list in NixOS services. This change ensures btop is available by default for system monitoring and resource management. No impact on existing configurations is expected.
---
 modules/nixos/services/base/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/nixos/services/base/default.nix b/modules/nixos/services/base/default.nix
index ae08994..05fd02c 100644
--- a/modules/nixos/services/base/default.nix
+++ b/modules/nixos/services/base/default.nix
@@ -43,6 +43,7 @@ in
         [
           age
           bash
+          btop
           cifs-utils
           clevis
           delta

From f61ddd5f929449f3f4b4958efc4d1eaef13e04ac Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@hoyer.xyz>
Date: Fri, 14 Feb 2025 10:07:49 +0100
Subject: [PATCH 2/2] feat(gui): configure Nix daemon scheduling for GUI

Set idle I/O and CPU scheduling policies for the Nix daemon to improve GUI responsiveness. Adjusted scheduling class, priority, and policy to optimize background tasks.
---
 modules/nixos/services/gui/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/services/gui/default.nix b/modules/nixos/services/gui/default.nix
index e69a537..9032d16 100644
--- a/modules/nixos/services/gui/default.nix
+++ b/modules/nixos/services/gui/default.nix
@@ -17,6 +17,10 @@ in
   };
 
   config = mkIf cfg.enable {
+    nix.daemonIOSchedClass = "idle"; # best-effort
+    nix.daemonIOSchedPriority = 4; # 7
+    nix.daemonCPUSchedPolicy = "idle"; # batch
+
     services = {
       gnome.localsearch.enable = lib.mkForce false;