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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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/heap/spaces.h" | 5 #include "src/heap/spaces.h" |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/base/platform/platform.h" | 8 #include "src/base/platform/platform.h" |
9 #include "src/full-codegen/full-codegen.h" | 9 #include "src/full-codegen/full-codegen.h" |
10 #include "src/heap/slot-set.h" | 10 #include "src/heap/slot-set.h" |
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875 } | 875 } |
876 } | 876 } |
877 UNREACHABLE(); | 877 UNREACHABLE(); |
878 } | 878 } |
879 | 879 |
880 | 880 |
881 #ifdef DEBUG | 881 #ifdef DEBUG |
882 void MemoryAllocator::ReportStatistics() { | 882 void MemoryAllocator::ReportStatistics() { |
883 intptr_t size = Size(); | 883 intptr_t size = Size(); |
884 float pct = static_cast<float>(capacity_ - size) / capacity_; | 884 float pct = static_cast<float>(capacity_ - size) / capacity_; |
885 PrintF(" capacity: %" V8_PTR_PREFIX | 885 PrintF(" capacity: %" V8PRIdPTR ", used: %" V8PRIdPTR |
886 "d" | |
887 ", used: %" V8_PTR_PREFIX | |
888 "d" | |
889 ", available: %%%d\n\n", | 886 ", available: %%%d\n\n", |
890 capacity_, size, static_cast<int>(pct * 100)); | 887 capacity_, size, static_cast<int>(pct * 100)); |
891 } | 888 } |
892 #endif | 889 #endif |
893 | 890 |
894 | 891 |
895 int MemoryAllocator::CodePageGuardStartOffset() { | 892 int MemoryAllocator::CodePageGuardStartOffset() { |
896 // We are guarding code pages: the first OS page after the header | 893 // We are guarding code pages: the first OS page after the header |
897 // will be protected as non-writable. | 894 // will be protected as non-writable. |
898 return RoundUp(Page::kObjectStartOffset, base::OS::CommitPageSize()); | 895 return RoundUp(Page::kObjectStartOffset, base::OS::CommitPageSize()); |
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2055 } | 2052 } |
2056 } | 2053 } |
2057 LOG(isolate, HeapSampleEndEvent("NewSpace", description)); | 2054 LOG(isolate, HeapSampleEndEvent("NewSpace", description)); |
2058 } | 2055 } |
2059 | 2056 |
2060 | 2057 |
2061 void NewSpace::ReportStatistics() { | 2058 void NewSpace::ReportStatistics() { |
2062 #ifdef DEBUG | 2059 #ifdef DEBUG |
2063 if (FLAG_heap_stats) { | 2060 if (FLAG_heap_stats) { |
2064 float pct = static_cast<float>(Available()) / TotalCapacity(); | 2061 float pct = static_cast<float>(Available()) / TotalCapacity(); |
2065 PrintF(" capacity: %" V8_PTR_PREFIX | 2062 PrintF(" capacity: %" V8PRIdPTR ", available: %" V8PRIdPTR ", %%%d\n", |
2066 "d" | |
2067 ", available: %" V8_PTR_PREFIX "d, %%%d\n", | |
2068 TotalCapacity(), Available(), static_cast<int>(pct * 100)); | 2063 TotalCapacity(), Available(), static_cast<int>(pct * 100)); |
2069 PrintF("\n Object Histogram:\n"); | 2064 PrintF("\n Object Histogram:\n"); |
2070 for (int i = 0; i <= LAST_TYPE; i++) { | 2065 for (int i = 0; i <= LAST_TYPE; i++) { |
2071 if (allocated_histogram_[i].number() > 0) { | 2066 if (allocated_histogram_[i].number() > 0) { |
2072 PrintF(" %-34s%10d (%10d bytes)\n", allocated_histogram_[i].name(), | 2067 PrintF(" %-34s%10d (%10d bytes)\n", allocated_histogram_[i].name(), |
2073 allocated_histogram_[i].number(), | 2068 allocated_histogram_[i].number(), |
2074 allocated_histogram_[i].bytes()); | 2069 allocated_histogram_[i].bytes()); |
2075 } | 2070 } |
2076 } | 2071 } |
2077 PrintF("\n"); | 2072 PrintF("\n"); |
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2783 prev_pc <= code->instruction_end()); | 2778 prev_pc <= code->instruction_end()); |
2784 delta += static_cast<int>(code->instruction_end() - prev_pc); | 2779 delta += static_cast<int>(code->instruction_end() - prev_pc); |
2785 EnterComment(isolate, "NoComment", delta); | 2780 EnterComment(isolate, "NoComment", delta); |
2786 } | 2781 } |
2787 } | 2782 } |
2788 } | 2783 } |
2789 | 2784 |
2790 | 2785 |
2791 void PagedSpace::ReportStatistics() { | 2786 void PagedSpace::ReportStatistics() { |
2792 int pct = static_cast<int>(Available() * 100 / Capacity()); | 2787 int pct = static_cast<int>(Available() * 100 / Capacity()); |
2793 PrintF(" capacity: %" V8_PTR_PREFIX | 2788 PrintF(" capacity: %" V8PRIdPTR ", waste: %" V8PRIdPTR |
2794 "d" | 2789 ", available: %" V8PRIdPTR ", %%%d\n", |
2795 ", waste: %" V8_PTR_PREFIX | |
2796 "d" | |
2797 ", available: %" V8_PTR_PREFIX "d, %%%d\n", | |
2798 Capacity(), Waste(), Available(), pct); | 2790 Capacity(), Waste(), Available(), pct); |
2799 | 2791 |
2800 if (heap()->mark_compact_collector()->sweeping_in_progress()) { | 2792 if (heap()->mark_compact_collector()->sweeping_in_progress()) { |
2801 heap()->mark_compact_collector()->EnsureSweepingCompleted(); | 2793 heap()->mark_compact_collector()->EnsureSweepingCompleted(); |
2802 } | 2794 } |
2803 ClearHistograms(heap()->isolate()); | 2795 ClearHistograms(heap()->isolate()); |
2804 HeapObjectIterator obj_it(this); | 2796 HeapObjectIterator obj_it(this); |
2805 for (HeapObject* obj = obj_it.Next(); obj != NULL; obj = obj_it.Next()) | 2797 for (HeapObject* obj = obj_it.Next(); obj != NULL; obj = obj_it.Next()) |
2806 CollectHistogramInfo(obj); | 2798 CollectHistogramInfo(obj); |
2807 ReportHistogram(heap()->isolate(), true); | 2799 ReportHistogram(heap()->isolate(), true); |
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3083 void LargeObjectSpace::Print() { | 3075 void LargeObjectSpace::Print() { |
3084 OFStream os(stdout); | 3076 OFStream os(stdout); |
3085 LargeObjectIterator it(this); | 3077 LargeObjectIterator it(this); |
3086 for (HeapObject* obj = it.Next(); obj != NULL; obj = it.Next()) { | 3078 for (HeapObject* obj = it.Next(); obj != NULL; obj = it.Next()) { |
3087 obj->Print(os); | 3079 obj->Print(os); |
3088 } | 3080 } |
3089 } | 3081 } |
3090 | 3082 |
3091 | 3083 |
3092 void LargeObjectSpace::ReportStatistics() { | 3084 void LargeObjectSpace::ReportStatistics() { |
3093 PrintF(" size: %" V8_PTR_PREFIX "d\n", size_); | 3085 PrintF(" size: %" V8PRIdPTR "\n", size_); |
3094 int num_objects = 0; | 3086 int num_objects = 0; |
3095 ClearHistograms(heap()->isolate()); | 3087 ClearHistograms(heap()->isolate()); |
3096 LargeObjectIterator it(this); | 3088 LargeObjectIterator it(this); |
3097 for (HeapObject* obj = it.Next(); obj != NULL; obj = it.Next()) { | 3089 for (HeapObject* obj = it.Next(); obj != NULL; obj = it.Next()) { |
3098 num_objects++; | 3090 num_objects++; |
3099 CollectHistogramInfo(obj); | 3091 CollectHistogramInfo(obj); |
3100 } | 3092 } |
3101 | 3093 |
3102 PrintF( | 3094 PrintF( |
3103 " number of objects %d, " | 3095 " number of objects %d, " |
3104 "size of objects %" V8_PTR_PREFIX "d\n", | 3096 "size of objects %" V8PRIdPTR "\n", |
3105 num_objects, objects_size_); | 3097 num_objects, objects_size_); |
3106 if (num_objects > 0) ReportHistogram(heap()->isolate(), false); | 3098 if (num_objects > 0) ReportHistogram(heap()->isolate(), false); |
3107 } | 3099 } |
3108 | 3100 |
3109 | 3101 |
3110 void LargeObjectSpace::CollectCodeStatistics() { | 3102 void LargeObjectSpace::CollectCodeStatistics() { |
3111 Isolate* isolate = heap()->isolate(); | 3103 Isolate* isolate = heap()->isolate(); |
3112 LargeObjectIterator obj_it(this); | 3104 LargeObjectIterator obj_it(this); |
3113 for (HeapObject* obj = obj_it.Next(); obj != NULL; obj = obj_it.Next()) { | 3105 for (HeapObject* obj = obj_it.Next(); obj != NULL; obj = obj_it.Next()) { |
3114 if (obj->IsAbstractCode()) { | 3106 if (obj->IsAbstractCode()) { |
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3136 object->ShortPrint(); | 3128 object->ShortPrint(); |
3137 PrintF("\n"); | 3129 PrintF("\n"); |
3138 } | 3130 } |
3139 printf(" --------------------------------------\n"); | 3131 printf(" --------------------------------------\n"); |
3140 printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes()); | 3132 printf(" Marked: %x, LiveCount: %x\n", mark_size, LiveBytes()); |
3141 } | 3133 } |
3142 | 3134 |
3143 #endif // DEBUG | 3135 #endif // DEBUG |
3144 } // namespace internal | 3136 } // namespace internal |
3145 } // namespace v8 | 3137 } // namespace v8 |
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