Type profiler by intercepting 'new' and 'delete' expressions.

base/allocator/new_delete_type_log.cc

Index: base/allocator/new_delete_type_log.cc
diff --git a/base/allocator/new_delete_type_log.cc b/base/allocator/new_delete_type_log.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4243ed1a5df52855ca05abd1978a39f8a4b6cde7
--- /dev/null
+++ b/base/allocator/new_delete_type_log.cc
@@ -0,0 +1,52 @@
+// Copyright (c) 2012 The Chromium 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 "new_delete_type.h"
+#include <iostream>
+
+void* operator new(size_t size, const std::type_info& t) {
+  void* address = ::operator new(size);
+  std::cerr << "Allocated "
+            << size
+            << " bytes of \""
+            << t.name()
+            << "\" at "
+            << address
+            << "."
+            << std::endl;
+  return address;
+}
+
+void operator delete(void* address, const std::type_info &t) {
+  ::operator delete(address);
+  std::cerr << "Dellocated an instance of \""
+            << t.name()
+            << "\" at "
+            << address
+            << "."
+            << std::endl;
+}
+
+void* operator new[](size_t size, const std::type_info& t) {
+  void* address = ::operator new(size);
+  std::cerr << "Allocated "
+            << size
+            << " bytes of \""
+            << t.name()
+            << "[]\" at "
+            << address
+            << "."
+            << std::endl;
+  return address;
+}
+
+void operator delete[](void* address, const std::type_info &t) {
+  ::operator delete(address);
+  std::cerr << "Dellocated an instance of \""
+            << t.name()
+            << "[]\" at "
+            << address
+            << "."
+            << std::endl;
+}