Sampling heap profiler: Force Full GC before retrieving the profile.

src/profiler/heap-profiler.cc

 // 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.
 
 #include "src/profiler/heap-profiler.h"
 
 #include "src/api.h"
 #include "src/debug/debug.h"
 #include "src/profiler/allocation-tracker.h"
 #include "src/profiler/heap-snapshot-generator-inl.h"
@@ skipping 66 matching lines @@
   }
   ids_->RemoveDeadEntries();
   is_tracking_object_moves_ = true;
 
   heap()->isolate()->debug()->feature_tracker()->Track(
       DebugFeatureTracker::kHeapSnapshot);
 
   return result;
 }
 
-
-bool HeapProfiler::StartSamplingHeapProfiler(uint64_t sample_interval,
-                                             int stack_depth) {
+bool HeapProfiler::StartSamplingHeapProfiler(
+    uint64_t sample_interval, int stack_depth,
+    v8::HeapProfiler::SamplingFlags flags) {
   if (sampling_heap_profiler_.get()) {
     return false;
   }
   sampling_heap_profiler_.Reset(new SamplingHeapProfiler(
-      heap(), names_.get(), sample_interval, stack_depth));
+      heap(), names_.get(), sample_interval, stack_depth, flags));
   return true;
 }
 
 
 void HeapProfiler::StopSamplingHeapProfiler() {
   sampling_heap_profiler_.Reset(nullptr);
 }
 
 
 v8::AllocationProfile* HeapProfiler::GetAllocationProfile() {
@@ skipping 112 matching lines @@
   ids_.Reset(new HeapObjectsMap(heap()));
   if (!is_tracking_allocations()) is_tracking_object_moves_ = false;
 }
 
 
 Heap* HeapProfiler::heap() const { return ids_->heap(); }
 
 
 }  // namespace internal
 }  // namespace v8