diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index 60f956faed..cbc5c9f907 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -1824,6 +1824,15 @@ void QCoreApplicationPrivate::sendPostedEvents(QObject *receiver, int event_type
     // events, canWait will be set to false.
     data->canWait = (data->postEventList.size() == 0);
 
+    if (data->postEventList.size() > 20) {
+        QMap<QEvent::Type, int> eventCount;
+        for (const auto &e : data->postEventList) {
+            if (e.event)
+                eventCount[e.event->type()]++;
+        }
+        qInfo() << eventCount << data->postEventList.size();
+    }
+
     if (data->postEventList.size() == 0 || (receiver && !receiver->d_func()->postedEvents)) {
         --data->postEventList.recursion;
         return;