Push heap stats as HeapStatsUpdate struct instead of raw array of uint32_t values.

include/v8-profiler.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 428 matching lines @@
    * this method, all heap objects relocations done by the garbage collector
    * are being registered.
    */
   static void StartHeapObjectsTracking();
 
   /**
    * Adds a new time interval entry to the aggregated statistics array. The
    * time interval entry contains information on the current heap objects
    * population size. The method also updates aggregated statistics and
    * reports updates for all previous time intervals via the OutputStream
    * object. Updates on each time interval are provided as a triplet. It has

[mnaganov (inactive), 2012/04/17 13:05:15]

"as a triplet. It has ..." -> "as a stream of the HeapStatsUpdate structure
instances."

    * time interval index, updated heap objects count and updated heap objects
    * size.
    *
    * StartHeapObjectsTracking must be called before the first call to this
    * method.
    */
   static void PushHeapObjectsStats(OutputStream* stream);
 
   /**
    * Stops tracking of heap objects population statistics, cleans up all
@@ skipping 92 matching lines @@
  protected:
   RetainedObjectInfo() {}
   virtual ~RetainedObjectInfo() {}
 
  private:
   RetainedObjectInfo(const RetainedObjectInfo&);
   RetainedObjectInfo& operator=(const RetainedObjectInfo&);
 };
 
 
+/**
+ * A struct for exporting HeapStats data from V8, using "push" model.

[mnaganov (inactive), 2012/04/17 13:05:15]

Add "See HeapProfiler::PushHeapObjectsStats."

+ */
+struct HeapStatsUpdate {
+  HeapStatsUpdate(uint32_t index, uint32_t count, uint32_t size)
+    : index(index), count(count), size(size) { }
+  uint32_t index;

[yurys, 2012/04/17 12:39:54]

Please comment on the fields.

+  uint32_t count;
+  uint32_t size;
+};
+
+
 }  // namespace v8
 
 
 #undef V8EXPORT
 
 
 #endif  // V8_V8_PROFILER_H_