Track live instance and allocation counts for classes

runtime/vm/code_generator.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/code_generator.h"
 
 #include "vm/assembler.h"
 #include "vm/ast.h"
 #include "vm/bigint_operations.h"
 #include "vm/code_patcher.h"
@@ skipping 91 matching lines @@
 }
 
 
 // Allocate a new object.
 // Arg0: class of the object that needs to be allocated.
 // Arg1: type arguments of the object that needs to be allocated.
 // Arg2: type arguments of the instantiator or kNoInstantiator.
 // Return value: newly allocated object.
 DEFINE_RUNTIME_ENTRY(AllocateObject, 3) {
   const Class& cls = Class::CheckedHandle(arguments.ArgAt(0));
+  // Report allocate to heap class stats.
+  isolate->class_table()->AllocateClassNewSpace(cls.id(), cls.instance_size());
   const Instance& instance = Instance::Handle(Instance::New(cls));
   arguments.SetReturn(instance);
   if (cls.NumTypeArguments() == 0) {
     // No type arguments required for a non-parameterized type.
     ASSERT(Instance::CheckedHandle(arguments.ArgAt(1)).IsNull());
     return;
   }
   AbstractTypeArguments& type_arguments =
       AbstractTypeArguments::CheckedHandle(arguments.ArgAt(1));
   // If no instantiator is provided, set the type arguments and return.
@@ skipping 1579 matching lines @@
 // of the given value.
 //   Arg0: Field object;
 //   Arg1: Value that is being stored.
 DEFINE_RUNTIME_ENTRY(UpdateFieldCid, 2) {
   const Field& field = Field::CheckedHandle(arguments.ArgAt(0));
   const Object& value = Object::Handle(arguments.ArgAt(1));
   field.UpdateGuardedCidAndLength(value);
 }
 
 }  // namespace dart