[heap] Tracer: Eliminate prefix for external callbacks

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 429 matching lines @@
           "mutator=%.1f "
           "gc=%s "
           "reduce_memory=%d "
           "scavenge=%.2f "
           "old_new=%.2f "
           "weak=%.2f "
           "roots=%.2f "
           "code=%.2f "
           "semispace=%.2f "
           "object_groups=%.2f "
-          "external_prologue=%.2f "
-          "external_epilogue=%.2f "
+          "external.prologue=%.2f "
+          "external.epilogue=%.2f "
           "external_weak_global_handles=%.2f "
           "steps_count=%d "
           "steps_took=%.1f "
           "scavenge_throughput=%.f "
           "total_size_before=%" PRIuS
           " "
           "total_size_after=%" PRIuS
           " "
           "holes_size_before=%" PRIuS
           " "
@@ skipping 15 matching lines @@
           "new_space_allocation_throughput=%.1f "
           "context_disposal_rate=%.1f\n",
           duration, spent_in_mutator, current_.TypeName(true),
           current_.reduce_memory, current_.scopes[Scope::SCAVENGER_SCAVENGE],
           current_.scopes[Scope::SCAVENGER_OLD_TO_NEW_POINTERS],
           current_.scopes[Scope::SCAVENGER_WEAK],
           current_.scopes[Scope::SCAVENGER_ROOTS],
           current_.scopes[Scope::SCAVENGER_CODE_FLUSH_CANDIDATES],
           current_.scopes[Scope::SCAVENGER_SEMISPACE],
           current_.scopes[Scope::SCAVENGER_OBJECT_GROUPS],
-          current_.scopes[Scope::SCAVENGER_EXTERNAL_PROLOGUE],
-          current_.scopes[Scope::SCAVENGER_EXTERNAL_EPILOGUE],
+          current_.scopes[Scope::EXTERNAL_PROLOGUE],
+          current_.scopes[Scope::EXTERNAL_EPILOGUE],
           current_.scopes[Scope::EXTERNAL_WEAK_GLOBAL_HANDLES],
           current_.incremental_marking_scopes[GCTracer::Scope::MC_INCREMENTAL]
               .steps,
           current_.scopes[Scope::MC_INCREMENTAL],
           ScavengeSpeedInBytesPerMillisecond(), current_.start_object_size,
           current_.end_object_size, current_.start_holes_size,
           current_.end_holes_size, allocated_since_last_gc,
           heap_->promoted_objects_size(),
           heap_->semi_space_copied_object_size(),
           heap_->nodes_died_in_new_space_, heap_->nodes_copied_in_new_space_,
@@ skipping 23 matching lines @@
           "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.prologue=%.1f "
+          "external.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 "
@@ skipping 61 matching lines @@
           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_PROLOGUE],
+          current_.scopes[Scope::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],
@@ skipping 187 matching lines @@
 }
 
 void GCTracer::ResetSurvivalEvents() { recorded_survival_ratios_.Reset(); }
 
 void GCTracer::NotifyIncrementalMarkingStart() {
   incremental_marking_start_time_ = heap_->MonotonicallyIncreasingTimeInMs();
 }
 
 }  // namespace internal
 }  // namespace v8