From cadd65799b568502d421747566b2b15b63af01ee Mon Sep 17 00:00:00 2001
From: Martin Kouba <mkouba@redhat.com>
Date: Wed, 3 Mar 2021 21:05:30 +0100
Subject: [PATCH] Log the time each BeanContainerListener takes

- to debug perf problems during startup
---
 .../src/main/java/io/quarkus/arc/runtime/ArcRecorder.java  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ArcRecorder.java b/extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ArcRecorder.java
index e1f0d529596e5..82de993b4c258 100644
--- a/extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ArcRecorder.java
+++ b/extensions/arc/runtime/src/main/java/io/quarkus/arc/runtime/ArcRecorder.java
@@ -10,6 +10,8 @@
 import java.util.function.Predicate;
 import java.util.function.Supplier;
 
+import org.jboss.logging.Logger;
+
 import io.quarkus.arc.Arc;
 import io.quarkus.arc.ArcContainer;
 import io.quarkus.arc.InjectableBean;
@@ -27,6 +29,8 @@
 @Recorder
 public class ArcRecorder {
 
+    private static final Logger LOG = Logger.getLogger(ArcRecorder.class);
+
     /**
      * Used to hold the Supplier instances used for synthetic bean declarations.
      */
@@ -62,7 +66,10 @@ public BeanContainer initBeanContainer(ArcContainer container, List<BeanContaine
         }
         BeanContainer beanContainer = new BeanContainerImpl(container);
         for (BeanContainerListener listener : listeners) {
+            long start = System.currentTimeMillis();
             listener.created(beanContainer);
+            LOG.debugf("Bean container listener %s finished in %s ms", listener.getClass().getName(),
+                    System.currentTimeMillis() - start);
         }
         return beanContainer;
     }