Allocation sampling for paged/lo spaces

src/heap/incremental-marking.cc

 // 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.
 
 #include "src/heap/incremental-marking.h"
 
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
 #include "src/conversions.h"
 #include "src/heap/gc-idle-time-handler.h"
 #include "src/heap/gc-tracer.h"
 #include "src/heap/mark-compact-inl.h"
 #include "src/heap/objects-visiting.h"
 #include "src/heap/objects-visiting-inl.h"
 #include "src/v8.h"
 
 namespace v8 {
 namespace internal {
 
 IncrementalMarking::StepActions IncrementalMarking::IdleStepActions() {
   return StepActions(IncrementalMarking::NO_GC_VIA_STACK_GUARD,
                      IncrementalMarking::FORCE_MARKING,
                      IncrementalMarking::DO_NOT_FORCE_COMPLETION);
 }
 
-
 IncrementalMarking::IncrementalMarking(Heap* heap)
     : heap_(heap),
-      observer_(*this, kAllocatedThreshold),
+      observer_(*this, heap, kAllocatedThreshold),
       state_(STOPPED),
       is_compacting_(false),
       steps_count_(0),
       old_generation_space_available_at_start_of_incremental_(0),
       old_generation_space_used_at_start_of_incremental_(0),
       bytes_rescanned_(0),
       should_hurry_(false),
       marking_speed_(0),
       bytes_scanned_(0),
       allocated_(0),
       write_barriers_invoked_since_last_step_(0),
       idle_marking_delay_counter_(0),
       no_marking_scope_depth_(0),
       unscanned_bytes_of_large_object_(0),
       was_activated_(false),
       finalize_marking_completed_(false),
       incremental_marking_finalization_rounds_(0),
       request_type_(COMPLETE_MARKING) {}
 
-
 bool IncrementalMarking::BaseRecordWrite(HeapObject* obj, Object* value) {
   HeapObject* value_heap_obj = HeapObject::cast(value);
   MarkBit value_bit = Marking::MarkBitFrom(value_heap_obj);
   DCHECK(!Marking::IsImpossible(value_bit));
 
   MarkBit obj_bit = Marking::MarkBitFrom(obj);
   DCHECK(!Marking::IsImpossible(obj_bit));
   bool is_black = Marking::IsBlack(obj_bit);
 
   if (is_black && Marking::IsWhite(value_bit)) {
@@ skipping 473 matching lines @@
 
   if (!heap_->mark_compact_collector()->sweeping_in_progress()) {
     StartMarking();
   } else {
     if (FLAG_trace_incremental_marking) {
       PrintF("[IncrementalMarking] Start sweeping.\n");
     }
     state_ = SWEEPING;
   }
 
-  heap_->new_space()->AddInlineAllocationObserver(&observer_);
+  heap_->new_space()->AddAllocationObserver(&observer_);
 
   incremental_marking_job()->Start(heap_);
 }
 
 
 void IncrementalMarking::StartMarking() {
   if (FLAG_trace_incremental_marking) {
     PrintF("[IncrementalMarking] Start marking\n");
   }
 
@@ skipping 377 matching lines @@
   }
 }
 
 
 void IncrementalMarking::Stop() {
   if (IsStopped()) return;
   if (FLAG_trace_incremental_marking) {
     PrintF("[IncrementalMarking] Stopping.\n");
   }
 
-  heap_->new_space()->RemoveInlineAllocationObserver(&observer_);
+  heap_->new_space()->RemoveAllocationObserver(&observer_);
   IncrementalMarking::set_should_hurry(false);
   ResetStepCounters();
   if (IsMarking()) {
     PatchIncrementalMarkingRecordWriteStubs(heap_,
                                             RecordWriteStub::STORE_BUFFER_ONLY);
     DeactivateIncrementalWriteBarrier();
   }
   heap_->isolate()->stack_guard()->ClearGC();
   state_ = STOPPED;
   is_compacting_ = false;
@@ skipping 273 matching lines @@
 void IncrementalMarking::IncrementIdleMarkingDelayCounter() {
   idle_marking_delay_counter_++;
 }
 
 
 void IncrementalMarking::ClearIdleMarkingDelayCounter() {
   idle_marking_delay_counter_ = 0;
 }
 }  // namespace internal
 }  // namespace v8