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

src/api.cc

 // Copyright 2012 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.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 7771 matching lines @@
   reinterpret_cast<i::HeapProfiler*>(this)->StartHeapObjectsTracking(
       track_allocations);
 }
 
 
 void HeapProfiler::StopTrackingHeapObjects() {
   reinterpret_cast<i::HeapProfiler*>(this)->StopHeapObjectsTracking();
 }
 
 
-SnapshotObjectId HeapProfiler::GetHeapStats(OutputStream* stream) {
-  return reinterpret_cast<i::HeapProfiler*>(this)->PushHeapObjectsStats(stream);
+SnapshotObjectId HeapProfiler::GetHeapStats(OutputStream* stream,
+                                            int64_t* timestamp_us) {
+  i::HeapProfiler* heap_profiler = reinterpret_cast<i::HeapProfiler*>(this);
+  return heap_profiler->PushHeapObjectsStats(stream, timestamp_us);
 }
 
 
 void HeapProfiler::DeleteAllHeapSnapshots() {
   reinterpret_cast<i::HeapProfiler*>(this)->DeleteAllSnapshots();
 }
 
 
 void HeapProfiler::SetWrapperClassInfoProvider(uint16_t class_id,
                                                WrapperInfoCallback callback) {
@@ skipping 246 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal