[heap] Account mark-compact prologue and epilogue in GC tracer.

src/heap/gc-tracer.h

 // Copyright 2014 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_GC_TRACER_H_
 #define V8_HEAP_GC_TRACER_H_
 
 #include "src/base/compiler-specific.h"
 #include "src/base/platform/platform.h"
 #include "src/base/ring-buffer.h"
@@ skipping 31 matching lines @@
   F(MC_CLEAR_CODE_FLUSH)                      \
   F(MC_CLEAR_DEPENDENT_CODE)                  \
   F(MC_CLEAR_GLOBAL_HANDLES)                  \
   F(MC_CLEAR_MAPS)                            \
   F(MC_CLEAR_SLOTS_BUFFER)                    \
   F(MC_CLEAR_STORE_BUFFER)                    \
   F(MC_CLEAR_STRING_TABLE)                    \
   F(MC_CLEAR_WEAK_CELLS)                      \
   F(MC_CLEAR_WEAK_COLLECTIONS)                \
   F(MC_CLEAR_WEAK_LISTS)                      \
+  F(MC_EPILOGUE)                              \
   F(MC_EVACUATE)                              \
   F(MC_EVACUATE_CANDIDATES)                   \
   F(MC_EVACUATE_CLEAN_UP)                     \
   F(MC_EVACUATE_COPY)                         \
   F(MC_EVACUATE_UPDATE_POINTERS)              \
   F(MC_EVACUATE_UPDATE_POINTERS_TO_EVACUATED) \
   F(MC_EVACUATE_UPDATE_POINTERS_TO_NEW)       \
   F(MC_EVACUATE_UPDATE_POINTERS_WEAK)         \
   F(MC_EXTERNAL_EPILOGUE)                     \
   F(MC_EXTERNAL_PROLOGUE)                     \
   F(MC_FINISH)                                \
   F(MC_MARK)                                  \
   F(MC_MARK_FINISH_INCREMENTAL)               \
   F(MC_MARK_PREPARE_CODE_FLUSH)               \
   F(MC_MARK_ROOTS)                            \
   F(MC_MARK_WEAK_CLOSURE)                     \
   F(MC_MARK_WEAK_CLOSURE_EPHEMERAL)           \
   F(MC_MARK_WEAK_CLOSURE_WEAK_HANDLES)        \
   F(MC_MARK_WEAK_CLOSURE_WEAK_ROOTS)          \
   F(MC_MARK_WEAK_CLOSURE_HARMONY)             \
   F(MC_MARK_WRAPPER_EPILOGUE)                 \
   F(MC_MARK_WRAPPER_PROLOGUE)                 \
   F(MC_MARK_WRAPPER_TRACING)                  \
   F(MC_MARK_OBJECT_GROUPING)                  \
+  F(MC_PROLOGUE)                              \
   F(MC_SWEEP)                                 \
   F(MC_SWEEP_CODE)                            \
   F(MC_SWEEP_MAP)                             \
   F(MC_SWEEP_OLD)                             \
   F(SCAVENGER_CODE_FLUSH_CANDIDATES)          \
   F(SCAVENGER_EXTERNAL_EPILOGUE)              \
   F(SCAVENGER_EXTERNAL_PROLOGUE)              \
   F(SCAVENGER_OBJECT_GROUPS)                  \
   F(SCAVENGER_OLD_TO_NEW_POINTERS)            \
   F(SCAVENGER_ROOTS)                          \
@@ skipping 339 matching lines @@
   base::RingBuffer<BytesAndDuration> recorded_old_generation_allocations_;
   base::RingBuffer<double> recorded_context_disposal_times_;
   base::RingBuffer<double> recorded_survival_ratios_;
 
   DISALLOW_COPY_AND_ASSIGN(GCTracer);
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_GC_TRACER_H_