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

rev 60422 : [mq]: 8248401-ayang-review

*** 189,198 ****
--- 189,199 ----
  // 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)
  {
*** 486,495 ****
--- 487,504 ----
        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::record_whole_heap_examined_timestamp() {
+   _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();