Refine object stats for FixedArrays.

src/heap.h

 // 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 1583 matching lines @@
 
   void AgeInlineCaches() {
     global_ic_age_ = (global_ic_age_ + 1) & SharedFunctionInfo::ICAgeBits::kMax;
   }
 
   // ObjectStats are kept in two arrays, counts and sizes. Related stats are
   // stored in a contiguous linear buffer. Stats groups are stored one after
   // another.
   enum {
     FIRST_CODE_KIND_SUB_TYPE = LAST_TYPE + 1,
-    OBJECT_STATS_COUNT = FIRST_CODE_KIND_SUB_TYPE + Code::LAST_CODE_KIND + 1
+    FIRST_FIXED_ARRAY_SUB_TYPE =
+        FIRST_CODE_KIND_SUB_TYPE + Code::LAST_CODE_KIND + 1,
+    OBJECT_STATS_COUNT =
+        FIRST_FIXED_ARRAY_SUB_TYPE + LAST_FIXED_ARRAY_SUB_TYPE + 1
   };
 
   void RecordObjectStats(InstanceType type, int sub_type, size_t size) {
     ASSERT(type <= LAST_TYPE);
     if (sub_type < 0) {
       object_counts_[type]++;
       object_sizes_[type] += size;
     } else {
       if (type == CODE_TYPE) {
         ASSERT(sub_type <= Code::LAST_CODE_KIND);
         object_counts_[FIRST_CODE_KIND_SUB_TYPE + sub_type]++;
         object_sizes_[FIRST_CODE_KIND_SUB_TYPE + sub_type] += size;
+      } else if (type == FIXED_ARRAY_TYPE) {
+        ASSERT(sub_type <= LAST_FIXED_ARRAY_SUB_TYPE);
+        object_counts_[FIRST_FIXED_ARRAY_SUB_TYPE + sub_type]++;
+        object_sizes_[FIRST_FIXED_ARRAY_SUB_TYPE + sub_type] += size;
       }
     }
   }
 
   void CheckpointObjectStats();
 
  private:
   Heap();
 
   // This can be calculated directly from a pointer to the heap; however, it is
@@ skipping 1101 matching lines @@
   AssertNoAllocation no_alloc;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG || LIVE_OBJECT_LIST
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_