--- old/src/hotspot/share/prims/whitebox.cpp	2020-07-07 17:21:54.212498746 +0200
+++ new/src/hotspot/share/prims/whitebox.cpp	2020-07-07 17:21:54.104497124 +0200
@@ -398,6 +398,10 @@
   return (jlong)HeapAlignment;
 WB_END
 
+WB_ENTRY(jlong, WB_GetMillisSinceLastWholeHeapExamined(JNIEnv* env, jobject o))
+  return Universe::heap()->millis_since_last_whole_heap_examined();
+WB_END
+
 WB_ENTRY(jboolean, WB_SupportsConcurrentGCBreakpoints(JNIEnv* env, jobject o))
   return Universe::heap()->supports_concurrent_gc_breakpoints();
 WB_END
@@ -2295,6 +2299,7 @@
   {CC"getVMLargePageSize",               CC"()J",                   (void*)&WB_GetVMLargePageSize},
   {CC"getHeapSpaceAlignment",            CC"()J",                   (void*)&WB_GetHeapSpaceAlignment},
   {CC"getHeapAlignment",                 CC"()J",                   (void*)&WB_GetHeapAlignment},
+  {CC"getMillisSinceWholeHeapExamined",  CC"()J",                   (void*)&WB_GetMillisSinceLastWholeHeapExamined },
   {CC"countAliveClasses0",               CC"(Ljava/lang/String;)I", (void*)&WB_CountAliveClasses },
   {CC"getSymbolRefcount",                CC"(Ljava/lang/String;)I", (void*)&WB_GetSymbolRefcount },
   {CC"parseCommandLine0",