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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/heap.h" | 5 #include "vm/heap.h" |
6 | 6 |
7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
8 #include "platform/utils.h" | 8 #include "platform/utils.h" |
9 #include "vm/flags.h" | 9 #include "vm/flags.h" |
10 #include "vm/heap_histogram.h" | 10 #include "vm/heap_histogram.h" |
11 #include "vm/heap_profiler.h" | |
12 #include "vm/isolate.h" | 11 #include "vm/isolate.h" |
13 #include "vm/object.h" | 12 #include "vm/object.h" |
14 #include "vm/object_set.h" | 13 #include "vm/object_set.h" |
15 #include "vm/os.h" | 14 #include "vm/os.h" |
16 #include "vm/pages.h" | 15 #include "vm/pages.h" |
17 #include "vm/raw_object.h" | 16 #include "vm/raw_object.h" |
18 #include "vm/scavenger.h" | 17 #include "vm/scavenger.h" |
19 #include "vm/stack_frame.h" | 18 #include "vm/stack_frame.h" |
20 #include "vm/verifier.h" | 19 #include "vm/verifier.h" |
21 #include "vm/virtual_memory.h" | 20 #include "vm/virtual_memory.h" |
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314 return space == kNew ? new_space_->UsedInWords() : old_space_->UsedInWords(); | 313 return space == kNew ? new_space_->UsedInWords() : old_space_->UsedInWords(); |
315 } | 314 } |
316 | 315 |
317 | 316 |
318 intptr_t Heap::CapacityInWords(Space space) const { | 317 intptr_t Heap::CapacityInWords(Space space) const { |
319 return space == kNew ? new_space_->CapacityInWords() : | 318 return space == kNew ? new_space_->CapacityInWords() : |
320 old_space_->CapacityInWords(); | 319 old_space_->CapacityInWords(); |
321 } | 320 } |
322 | 321 |
323 | 322 |
324 void Heap::Profile(Dart_FileWriteCallback callback, void* stream) const { | |
325 HeapProfiler profiler(callback, stream); | |
326 | |
327 // Dump the root set. | |
328 HeapProfilerRootVisitor root_visitor(&profiler); | |
329 Isolate* isolate = Isolate::Current(); | |
330 Isolate* vm_isolate = Dart::vm_isolate(); | |
331 isolate->VisitObjectPointers(&root_visitor, false, | |
332 StackFrameIterator::kDontValidateFrames); | |
333 HeapProfilerWeakRootVisitor weak_root_visitor(&root_visitor); | |
334 isolate->VisitWeakPersistentHandles(&weak_root_visitor, true); | |
335 | |
336 // Dump the current and VM isolate heaps. | |
337 HeapProfilerObjectVisitor object_visitor(isolate, &profiler); | |
338 isolate->heap()->IterateObjects(&object_visitor); | |
339 vm_isolate->heap()->IterateObjects(&object_visitor); | |
340 } | |
341 | |
342 | |
343 void Heap::ProfileToFile(const char* reason) const { | |
344 Dart_FileOpenCallback file_open = Isolate::file_open_callback(); | |
345 ASSERT(file_open != NULL); | |
346 Dart_FileWriteCallback file_write = Isolate::file_write_callback(); | |
347 ASSERT(file_write != NULL); | |
348 Dart_FileCloseCallback file_close = Isolate::file_close_callback(); | |
349 ASSERT(file_close != NULL); | |
350 Isolate* isolate = Isolate::Current(); | |
351 const char* format = "%s-%s.hprof"; | |
352 intptr_t len = OS::SNPrint(NULL, 0, format, isolate->name(), reason); | |
353 char* filename = isolate->current_zone()->Alloc<char>(len + 1); | |
354 OS::SNPrint(filename, len + 1, format, isolate->name(), reason); | |
355 void* file = (*file_open)(filename, true); | |
356 if (file != NULL) { | |
357 Profile(file_write, file); | |
358 (*file_close)(file); | |
359 } | |
360 } | |
361 | |
362 | |
363 const char* Heap::GCReasonToString(GCReason gc_reason) { | 323 const char* Heap::GCReasonToString(GCReason gc_reason) { |
364 switch (gc_reason) { | 324 switch (gc_reason) { |
365 case kNewSpace: | 325 case kNewSpace: |
366 return "new space"; | 326 return "new space"; |
367 case kPromotionFailure: | 327 case kPromotionFailure: |
368 return "promotion failure"; | 328 return "promotion failure"; |
369 case kOldSpace: | 329 case kOldSpace: |
370 return "old space"; | 330 return "old space"; |
371 case kFull: | 331 case kFull: |
372 return "full"; | 332 return "full"; |
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512 heap->DisableGrowthControl(); | 472 heap->DisableGrowthControl(); |
513 } | 473 } |
514 | 474 |
515 | 475 |
516 NoHeapGrowthControlScope::~NoHeapGrowthControlScope() { | 476 NoHeapGrowthControlScope::~NoHeapGrowthControlScope() { |
517 Heap* heap = reinterpret_cast<Isolate*>(isolate())->heap(); | 477 Heap* heap = reinterpret_cast<Isolate*>(isolate())->heap(); |
518 heap->SetGrowthControlState(current_growth_controller_state_); | 478 heap->SetGrowthControlState(current_growth_controller_state_); |
519 } | 479 } |
520 | 480 |
521 } // namespace dart | 481 } // namespace dart |
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