Track counts/sizes of CODE sub types with --track-gc-object-stats

src/heap.cc

 // Copyright 2012 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 7193 matching lines @@
   counters->count_of_##name()->Increment(                                      \
       static_cast<int>(object_counts_[name]));                                 \
   counters->count_of_##name()->Decrement(                                      \
       static_cast<int>(object_counts_last_time_[name]));                       \
   counters->size_of_##name()->Increment(                                       \
       static_cast<int>(object_sizes_[name]));                                  \
   counters->size_of_##name()->Decrement(                                       \
       static_cast<int>(object_sizes_last_time_[name]));
   INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
+#define ADJUST_LAST_TIME_OBJECT_COUNT(name) \
+  counters->count_of_CODE_TYPE_##name()->Increment( \
+    object_counts_[FIRST_CODE_KIND_SUB_TYPE + Code::name]); \
+  counters->count_of_CODE_TYPE_##name()->Decrement( \
+    object_counts_last_time_[FIRST_CODE_KIND_SUB_TYPE + Code::name]); \
+  counters->size_of_CODE_TYPE_##name()->Increment( \
+    object_sizes_[FIRST_CODE_KIND_SUB_TYPE + Code::name]); \
+  counters->size_of_CODE_TYPE_##name()->Decrement( \
+    object_sizes_last_time_[FIRST_CODE_KIND_SUB_TYPE + Code::name]);
+  CODE_KIND_LIST(ADJUST_LAST_TIME_OBJECT_COUNT)
+#undef ADJUST_LAST_TIME_OBJECT_COUNT
+
   memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 
 } }  // namespace v8::internal