--- old/src/hotspot/share/jfr/periodic/jfrPeriodic.cpp	2019-05-10 10:58:31.327372522 -0400
+++ new/src/hotspot/share/jfr/periodic/jfrPeriodic.cpp	2019-05-10 10:58:31.011374579 -0400
@@ -65,7 +65,9 @@
 #include "services/threadService.hpp"
 #include "utilities/exceptions.hpp"
 #include "utilities/globalDefinitions.hpp"
-
+#if INCLUDE_SHENANDOAHGC
+#include "gc/shenandoah/shenandoahJfrSupport.hpp"
+#endif
 /**
  *  JfrPeriodic class
  *  Implementation of declarations in
@@ -620,3 +622,14 @@
   event.set_flushingEnabled(UseCodeCacheFlushing);
   event.commit();
 }
+
+
+TRACE_REQUEST_FUNC(ShenandoahHeapRegionInformation) {
+#if INCLUDE_SHENANDOAHGC
+  if (UseShenandoahGC) {
+    VM_ShenandoahSendHeapRegionInfoEvents op;
+    VMThread::execute(&op);
+  }
+#endif
+}
+