Added more detailed sweeping timing counters.

src/heap.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_H_
 #define V8_HEAP_H_
 
 #include <cmath>
 
 #include "src/allocation.h"
@@ skipping 2489 matching lines @@
 class GCTracer BASE_EMBEDDED {
  public:
   class Scope BASE_EMBEDDED {
    public:
     enum ScopeId {
       EXTERNAL,
       MC_MARK,
       MC_SWEEP,
       MC_SWEEP_NEWSPACE,
       MC_SWEEP_OLDSPACE,
+      MC_SWEEP_CODE,
+      MC_SWEEP_CELL,
+      MC_SWEEP_MAP,
       MC_EVACUATE_PAGES,
       MC_UPDATE_NEW_TO_NEW_POINTERS,
       MC_UPDATE_ROOT_TO_NEW_POINTERS,
       MC_UPDATE_OLD_TO_NEW_POINTERS,
       MC_UPDATE_POINTERS_TO_EVACUATED,
       MC_UPDATE_POINTERS_BETWEEN_EVACUATED,
       MC_UPDATE_MISC_POINTERS,
       MC_WEAKCOLLECTION_PROCESS,
       MC_WEAKCOLLECTION_CLEAR,
       MC_FLUSH_CODE,
@@ skipping 242 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_