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

base/allocator/allocated_type_profiler_tcmalloc.cc

Index: base/allocator/allocated_type_profiler_tcmalloc.cc
diff --git a/base/allocator/allocated_type_profiler_tcmalloc.cc b/base/allocator/allocated_type_profiler_tcmalloc.cc
new file mode 100644
index 0000000000000000000000000000000000000000..82e58554c3ad84917f01d16381d0bd7609c7ddc5
--- /dev/null
+++ b/base/allocator/allocated_type_profiler_tcmalloc.cc
@@ -0,0 +1,38 @@
+// Copyright 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 "base/allocator/allocated_type_profiler_tcmalloc.h"
+
+#if defined(PROFILING_ALLOCATED_TYPE)
+
+#include <gperftools/allocated_type_map.h>
+#include <gperftools/heap-profiler.h>
+
+#include "base/allocator/allocated_type_profiler_control.h"
+
+namespace base {
+namespace allocated_type_profiler {
+
+void* NewInterceptForTCMalloc(void* ptr,
+                              size_t size,
+                              const std::type_info& type) {
+  if (IsProfilingAllocatedType() && IsHeapProfilerRunning()) {
+    InsertAllocatedType(ptr, size, type);
+  }

[jar (doing other things), 2012/08/27 17:17:13]

nit: curlies not needed here, and on line 31.

[Dai Mikurube (NOT FULLTIME), 2012/08/28 09:04:57]

Done.

+  return ptr;
+}
+
+void* DeleteInterceptForTCMalloc(void* ptr,
+                                 size_t size,
+                                 const std::type_info& type) {
+  if (IsProfilingAllocatedType() && IsHeapProfilerRunning()) {
+    EraseAllocatedType(ptr);
+  }
+  return ptr;
+}
+
+}  // namespace allocated_type_profiler
+}  // namespace base
+
+#endif  // defined(PROFILING_ALLOCATED_TYPE)