From 6a884de15a1afed2884b88b05ee66f7e29788b49 Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foo.dogsquared@gmail.com>
Date: Sat, 24 Sep 2022 13:07:56 +0800
Subject: [PATCH] profiles/system: configure limits for audio setup

---
 modules/nixos/profiles/system.nix | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/modules/nixos/profiles/system.nix b/modules/nixos/profiles/system.nix
index f067b6b2..1204cb9f 100644
--- a/modules/nixos/profiles/system.nix
+++ b/modules/nixos/profiles/system.nix
@@ -93,6 +93,22 @@ in {
         pulse.enable = true;
         jack.enable = true;
       };
+
+      # This is based from https://jackaudio.org/faq/linux_rt_config.html.
+      security.pam.loginLimits = [
+        {
+          domain = "@audio";
+          type = "-";
+          item = "rtprio";
+          value = "95";
+        }
+        {
+          domain = "@audio";
+          type = "-";
+          item = "memlock";
+          value = "unlimited";
+        }
+      ];
     })
 
     (lib.mkIf cfg.fonts.enable {