[heap] Use size_t for heap and space counters.

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"
 
 namespace v8 {
 namespace internal {
 
 static size_t CountTotalHolesSize(Heap* heap) {
   size_t holes_size = 0;
   OldSpaces spaces(heap);
   for (OldSpace* space = spaces.next(); space != NULL; space = spaces.next()) {
-    DCHECK_GE(space->Waste(), 0);
-    DCHECK_GE(space->Available(), 0);
     DCHECK_GE(holes_size + space->Waste() + space->Available(), holes_size);
-    holes_size += static_cast<size_t>(space->Waste() + space->Available());
+    holes_size += space->Waste() + space->Available();
   }
   return holes_size;
 }
 
 
 GCTracer::Scope::Scope(GCTracer* tracer, ScopeId scope)
     : tracer_(tracer), scope_(scope) {
   // All accesses to incremental_marking_scope assume that incremental marking
   // scopes come first.
   STATIC_ASSERT(FIRST_INCREMENTAL_SCOPE == 0);
@@ skipping 430 matching lines @@
           "total_size_before=%" PRIuS
           " "
           "total_size_after=%" PRIuS
           " "
           "holes_size_before=%" PRIuS
           " "
           "holes_size_after=%" PRIuS
           " "
           "allocated=%" PRIuS
           " "
-          "promoted=%" V8PRIdPTR
+          "promoted=%" PRIuS
           " "
-          "semi_space_copied=%" V8PRIdPTR
+          "semi_space_copied=%" PRIuS
           " "
           "nodes_died_in_new=%d "
           "nodes_copied_in_new=%d "
           "nodes_promoted=%d "
           "promotion_ratio=%.1f%% "
           "average_survival_ratio=%.1f%% "
           "promotion_rate=%.1f%% "
           "semi_space_copy_rate=%.1f%% "
           "new_space_allocation_throughput=%.1f "
           "context_disposal_rate=%.1f\n",
@@ skipping 99 matching lines @@
           "total_size_before=%" PRIuS
           " "
           "total_size_after=%" PRIuS
           " "
           "holes_size_before=%" PRIuS
           " "
           "holes_size_after=%" PRIuS
           " "
           "allocated=%" PRIuS
           " "
-          "promoted=%" V8PRIdPTR
+          "promoted=%" PRIuS
           " "
-          "semi_space_copied=%" V8PRIdPTR
+          "semi_space_copied=%" PRIuS
           " "
           "nodes_died_in_new=%d "
           "nodes_copied_in_new=%d "
           "nodes_promoted=%d "
           "promotion_ratio=%.1f%% "
           "average_survival_ratio=%.1f%% "
           "promotion_rate=%.1f%% "
           "semi_space_copy_rate=%.1f%% "
           "new_space_allocation_throughput=%.1f "
           "context_disposal_rate=%.1f "
@@ skipping 221 matching lines @@
 }
 
 void GCTracer::ResetSurvivalEvents() { recorded_survival_ratios_.Reset(); }
 
 void GCTracer::NotifyIncrementalMarkingStart() {
   incremental_marking_start_time_ = heap_->MonotonicallyIncreasingTimeInMs();
 }
 
 }  // namespace internal
 }  // namespace v8