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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/profiler/allocation-tracker.h" | 5 #include "src/profiler/allocation-tracker.h" |
| 6 | 6 |
| 7 #include "src/frames-inl.h" | 7 #include "src/frames-inl.h" |
| 8 #include "src/objects-inl.h" | 8 #include "src/objects-inl.h" |
| 9 #include "src/profiler/heap-snapshot-generator-inl.h" | 9 #include "src/profiler/heap-snapshot-generator-inl.h" |
| 10 | 10 |
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| 223 void AllocationTracker::AllocationEvent(Address addr, int size) { | 223 void AllocationTracker::AllocationEvent(Address addr, int size) { |
| 224 DisallowHeapAllocation no_allocation; | 224 DisallowHeapAllocation no_allocation; |
| 225 Heap* heap = ids_->heap(); | 225 Heap* heap = ids_->heap(); |
| 226 | 226 |
| 227 // Mark the new block as FreeSpace to make sure the heap is iterable | 227 // Mark the new block as FreeSpace to make sure the heap is iterable |
| 228 // while we are capturing stack trace. | 228 // while we are capturing stack trace. |
| 229 heap->CreateFillerObjectAt(addr, size, ClearRecordedSlots::kNo); | 229 heap->CreateFillerObjectAt(addr, size, ClearRecordedSlots::kNo); |
| 230 | 230 |
| 231 Isolate* isolate = heap->isolate(); | 231 Isolate* isolate = heap->isolate(); |
| 232 int length = 0; | 232 int length = 0; |
| 233 StackTraceFrameIterator it(isolate); | 233 JavaScriptFrameIterator it(isolate); |
| 234 while (!it.done() && length < kMaxAllocationTraceLength) { | 234 while (!it.done() && length < kMaxAllocationTraceLength) { |
| 235 StandardFrame* frame = it.frame(); | 235 JavaScriptFrame* frame = it.frame(); |
| 236 SharedFunctionInfo* shared = frame->function()->shared(); | 236 SharedFunctionInfo* shared = frame->function()->shared(); |
| 237 SnapshotObjectId id = ids_->FindOrAddEntry( | 237 SnapshotObjectId id = ids_->FindOrAddEntry( |
| 238 shared->address(), shared->Size(), false); | 238 shared->address(), shared->Size(), false); |
| 239 allocation_trace_buffer_[length++] = AddFunctionInfo(shared, id); | 239 allocation_trace_buffer_[length++] = AddFunctionInfo(shared, id); |
| 240 it.Advance(); | 240 it.Advance(); |
| 241 } | 241 } |
| 242 if (length == 0) { | 242 if (length == 0) { |
| 243 unsigned index = functionInfoIndexForVMState(isolate->current_vm_state()); | 243 unsigned index = functionInfoIndexForVMState(isolate->current_vm_state()); |
| 244 if (index != 0) { | 244 if (index != 0) { |
| 245 allocation_trace_buffer_[length++] = index; | 245 allocation_trace_buffer_[length++] = index; |
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| 331 const v8::WeakCallbackData<v8::Value, void>& data) { | 331 const v8::WeakCallbackData<v8::Value, void>& data) { |
| 332 UnresolvedLocation* loc = | 332 UnresolvedLocation* loc = |
| 333 reinterpret_cast<UnresolvedLocation*>(data.GetParameter()); | 333 reinterpret_cast<UnresolvedLocation*>(data.GetParameter()); |
| 334 GlobalHandles::Destroy(reinterpret_cast<Object**>(loc->script_.location())); | 334 GlobalHandles::Destroy(reinterpret_cast<Object**>(loc->script_.location())); |
| 335 loc->script_ = Handle<Script>::null(); | 335 loc->script_ = Handle<Script>::null(); |
| 336 } | 336 } |
| 337 | 337 |
| 338 | 338 |
| 339 } // namespace internal | 339 } // namespace internal |
| 340 } // namespace v8 | 340 } // namespace v8 |
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