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

src/heap/gc-tracer.cc

 // 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.
 
 #include "src/heap/gc-tracer.h"
 
 #include "src/counters.h"
 #include "src/heap/heap-inl.h"
 #include "src/isolate.h"
 
@@ skipping 506 matching lines @@
           "clear.code_flush=%.1f "
           "clear.dependent_code=%.1f "
           "clear.global_handles=%.1f "
           "clear.maps=%.1f "
           "clear.slots_buffer=%.1f "
           "clear.store_buffer=%.1f "
           "clear.string_table=%.1f "
           "clear.weak_cells=%.1f "
           "clear.weak_collections=%.1f "
           "clear.weak_lists=%.1f "
+          "epilogue=%.1f "
           "evacuate=%.1f "
           "evacuate.candidates=%.1f "
           "evacuate.clean_up=%.1f "
           "evacuate.copy=%.1f "
           "evacuate.update_pointers=%.1f "
           "evacuate.update_pointers.to_evacuated=%.1f "
           "evacuate.update_pointers.to_new=%.1f "
           "evacuate.update_pointers.weak=%.1f "
           "external.mc_prologue=%.1f "
           "external.mc_epilogue=%.1f "
           "external.weak_global_handles=%.1f "
           "finish=%.1f "
           "mark=%.1f "
           "mark.finish_incremental=%.1f "
           "mark.object_grouping=%.1f "
           "mark.prepare_code_flush=%.1f "
           "mark.roots=%.1f "
           "mark.weak_closure=%.1f "
           "mark.weak_closure.ephemeral=%.1f "
           "mark.weak_closure.weak_handles=%.1f "
           "mark.weak_closure.weak_roots=%.1f "
           "mark.weak_closure.harmony=%.1f "
           "mark.wrapper_prologue=%.1f "
           "mark.wrapper_epilogue=%.1f "
           "mark.wrapper_tracing=%.1f "
+          "prologue=%.1f "
           "sweep=%.1f "
           "sweep.code=%.1f "
           "sweep.map=%.1f "
           "sweep.old=%.1f "
           "incremental=%.1f "
           "incremental.finalize=%.1f "
           "incremental.finalize.body=%.1f "
           "incremental.finalize.external.prologue=%.1f "
           "incremental.finalize.external.epilogue=%.1f "
           "incremental.finalize.object_grouping=%.1f "
@@ skipping 36 matching lines @@
           current_.scopes[Scope::MC_CLEAR_CODE_FLUSH],
           current_.scopes[Scope::MC_CLEAR_DEPENDENT_CODE],
           current_.scopes[Scope::MC_CLEAR_GLOBAL_HANDLES],
           current_.scopes[Scope::MC_CLEAR_MAPS],
           current_.scopes[Scope::MC_CLEAR_SLOTS_BUFFER],
           current_.scopes[Scope::MC_CLEAR_STORE_BUFFER],
           current_.scopes[Scope::MC_CLEAR_STRING_TABLE],
           current_.scopes[Scope::MC_CLEAR_WEAK_CELLS],
           current_.scopes[Scope::MC_CLEAR_WEAK_COLLECTIONS],
           current_.scopes[Scope::MC_CLEAR_WEAK_LISTS],
+          current_.scopes[Scope::MC_EPILOGUE],
           current_.scopes[Scope::MC_EVACUATE],
           current_.scopes[Scope::MC_EVACUATE_CANDIDATES],
           current_.scopes[Scope::MC_EVACUATE_CLEAN_UP],
           current_.scopes[Scope::MC_EVACUATE_COPY],
           current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS],
           current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS_TO_EVACUATED],
           current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS_TO_NEW],
           current_.scopes[Scope::MC_EVACUATE_UPDATE_POINTERS_WEAK],
           current_.scopes[Scope::MC_EXTERNAL_PROLOGUE],
           current_.scopes[Scope::MC_EXTERNAL_EPILOGUE],
           current_.scopes[Scope::EXTERNAL_WEAK_GLOBAL_HANDLES],
           current_.scopes[Scope::MC_FINISH], current_.scopes[Scope::MC_MARK],
           current_.scopes[Scope::MC_MARK_FINISH_INCREMENTAL],
           current_.scopes[Scope::MC_MARK_OBJECT_GROUPING],
           current_.scopes[Scope::MC_MARK_PREPARE_CODE_FLUSH],
           current_.scopes[Scope::MC_MARK_ROOTS],
           current_.scopes[Scope::MC_MARK_WEAK_CLOSURE],
           current_.scopes[Scope::MC_MARK_WEAK_CLOSURE_EPHEMERAL],
           current_.scopes[Scope::MC_MARK_WEAK_CLOSURE_WEAK_HANDLES],
           current_.scopes[Scope::MC_MARK_WEAK_CLOSURE_WEAK_ROOTS],
           current_.scopes[Scope::MC_MARK_WEAK_CLOSURE_HARMONY],
           current_.scopes[Scope::MC_MARK_WRAPPER_PROLOGUE],
           current_.scopes[Scope::MC_MARK_WRAPPER_EPILOGUE],
           current_.scopes[Scope::MC_MARK_WRAPPER_TRACING],
-          current_.scopes[Scope::MC_SWEEP],
+          current_.scopes[Scope::MC_PROLOGUE], current_.scopes[Scope::MC_SWEEP],
           current_.scopes[Scope::MC_SWEEP_CODE],
           current_.scopes[Scope::MC_SWEEP_MAP],
           current_.scopes[Scope::MC_SWEEP_OLD],
           current_.scopes[Scope::MC_INCREMENTAL],
           current_.scopes[Scope::MC_INCREMENTAL_FINALIZE],
           current_.scopes[Scope::MC_INCREMENTAL_FINALIZE_BODY],
           current_.scopes[Scope::MC_INCREMENTAL_EXTERNAL_PROLOGUE],
           current_.scopes[Scope::MC_INCREMENTAL_EXTERNAL_EPILOGUE],
           current_.scopes[Scope::MC_INCREMENTAL_FINALIZE_OBJECT_GROUPING],
           current_.scopes[Scope::MC_INCREMENTAL_SWEEPING],
@@ skipping 172 matching lines @@
 }
 
 void GCTracer::ResetSurvivalEvents() { recorded_survival_ratios_.Reset(); }
 
 void GCTracer::NotifyIncrementalMarkingStart() {
   incremental_marking_start_time_ = heap_->MonotonicallyIncreasingTimeInMs();
 }
 
 }  // namespace internal
 }  // namespace v8