Return timestamp of the last recorded interval to the caller of HeapProfiler::GetHeapStats

src/heap-profiler.h

 // Copyright 2009-2010 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_PROFILER_H_
 #define V8_HEAP_PROFILER_H_
 
 #include "src/heap-snapshot-generator-inl.h"
 #include "src/isolate.h"
 #include "src/smart-pointers.h"
@@ skipping 15 matching lines @@
       v8::HeapProfiler::ObjectNameResolver* resolver);
 
   void StartHeapObjectsTracking(bool track_allocations);
   void StopHeapObjectsTracking();
   AllocationTracker* allocation_tracker() const {
     return allocation_tracker_.get();
   }
   HeapObjectsMap* heap_object_map() const { return ids_.get(); }
   StringsStorage* names() const { return names_.get(); }
 
-  SnapshotObjectId PushHeapObjectsStats(OutputStream* stream);
+  SnapshotObjectId PushHeapObjectsStats(OutputStream* stream,
+                                        int64_t* timestamp_us);
   int GetSnapshotsCount();
   HeapSnapshot* GetSnapshot(int index);
   SnapshotObjectId GetSnapshotObjectId(Handle<Object> obj);
   void DeleteAllSnapshots();
   void RemoveSnapshot(HeapSnapshot* snapshot);
 
   void ObjectMoveEvent(Address from, Address to, int size);
 
   void AllocationEvent(Address addr, int size);
 
@@ skipping 22 matching lines @@
   List<HeapSnapshot*> snapshots_;
   SmartPointer<StringsStorage> names_;
   List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_;
   SmartPointer<AllocationTracker> allocation_tracker_;
   bool is_tracking_object_moves_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_PROFILER_H_