src/hotspot/share/gc/shared/collectedHeap.cpp

rev 60420 : imported patch 8248401-Refactor-unify-RMI-gc-support-functionality

@@ -189,10 +189,11 @@
 // Memory state functions.
 
 
 CollectedHeap::CollectedHeap() :
   _is_gc_active(false),
+  _last_whole_heap_examined_time_ns(os::javaTimeNanos()),
   _total_collections(0),
   _total_full_collections(0),
   _gc_cause(GCCause::_no_gc),
   _gc_lastcause(GCCause::_no_gc)
 {

@@ -486,10 +487,18 @@
       thread->tlab().resize();
     }
   }
 }
 
+jlong CollectedHeap::millis_since_last_whole_heap_examined() {
+  return (os::javaTimeNanos() - _last_whole_heap_examined_time_ns) / NANOSECS_PER_MILLISEC;
+}
+
+void CollectedHeap::next_whole_heap_examined() {
+  _last_whole_heap_examined_time_ns = os::javaTimeNanos();
+}
+
 void CollectedHeap::full_gc_dump(GCTimer* timer, bool before) {
   assert(timer != NULL, "timer is null");
   if ((HeapDumpBeforeFullGC && before) || (HeapDumpAfterFullGC && !before)) {
     GCTraceTime(Info, gc) tm(before ? "Heap Dump (before full gc)" : "Heap Dump (after full gc)", timer);
     HeapDumper::dump_heap();