From 2130e9ff9fa41929400cc0db59b8fc13d0403790 Mon Sep 17 00:00:00 2001
From: "Olivier Wilkinson (reivilibre)" <oliverw@matrix.org>
Date: Wed, 19 Jan 2022 11:32:38 +0000
Subject: [PATCH] Actually call the `setup_viztracer` function

---
 synapse/app/homeserver.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 5449ef1474..e11c81d642 100644
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -475,6 +475,10 @@ def main() -> None:
     with LoggingContext("main"):
         # check base requirements
         check_requirements()
+
+        # Set up VizTracer for debugging (if enabled)
+        setup_viztracer()
+
         hs = setup(sys.argv[1:])
 
         # redirect stdio to the logs, if configured.