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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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889 Factory* factory = isolate->factory(); | 889 Factory* factory = isolate->factory(); |
890 v8::HandleScope scope(CcTest::isolate()); | 890 v8::HandleScope scope(CcTest::isolate()); |
891 | 891 |
892 // Array of objects to scan haep for. | 892 // Array of objects to scan haep for. |
893 const int objs_count = 6; | 893 const int objs_count = 6; |
894 Handle<Object> objs[objs_count]; | 894 Handle<Object> objs[objs_count]; |
895 int next_objs_index = 0; | 895 int next_objs_index = 0; |
896 | 896 |
897 // Allocate a JS array to OLD_SPACE and NEW_SPACE | 897 // Allocate a JS array to OLD_SPACE and NEW_SPACE |
898 objs[next_objs_index++] = factory->NewJSArray(10); | 898 objs[next_objs_index++] = factory->NewJSArray(10); |
899 objs[next_objs_index++] = factory->NewJSArray(10, | 899 objs[next_objs_index++] = |
900 FAST_HOLEY_ELEMENTS, | 900 factory->NewJSArray(10, FAST_HOLEY_ELEMENTS, WEAK, TENURED); |
901 TENURED); | |
902 | 901 |
903 // Allocate a small string to OLD_DATA_SPACE and NEW_SPACE | 902 // Allocate a small string to OLD_DATA_SPACE and NEW_SPACE |
904 objs[next_objs_index++] = factory->NewStringFromStaticChars("abcdefghij"); | 903 objs[next_objs_index++] = factory->NewStringFromStaticChars("abcdefghij"); |
905 objs[next_objs_index++] = | 904 objs[next_objs_index++] = |
906 factory->NewStringFromStaticChars("abcdefghij", TENURED); | 905 factory->NewStringFromStaticChars("abcdefghij", TENURED); |
907 | 906 |
908 // Allocate a large string (for large object space). | 907 // Allocate a large string (for large object space). |
909 int large_size = Page::kMaxRegularHeapObjectSize + 1; | 908 int large_size = Page::kMaxRegularHeapObjectSize + 1; |
910 char* str = new char[large_size]; | 909 char* str = new char[large_size]; |
911 for (int i = 0; i < large_size - 1; ++i) str[i] = 'a'; | 910 for (int i = 0; i < large_size - 1; ++i) str[i] = 'a'; |
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2204 int j = TransitionArray::kProtoTransitionHeaderSize + i; | 2203 int j = TransitionArray::kProtoTransitionHeaderSize + i; |
2205 CHECK(trans->get(j)->IsMap()); | 2204 CHECK(trans->get(j)->IsMap()); |
2206 } | 2205 } |
2207 | 2206 |
2208 // Make sure next prototype is placed on an old-space evacuation candidate. | 2207 // Make sure next prototype is placed on an old-space evacuation candidate. |
2209 Handle<JSObject> prototype; | 2208 Handle<JSObject> prototype; |
2210 PagedSpace* space = CcTest::heap()->old_space(); | 2209 PagedSpace* space = CcTest::heap()->old_space(); |
2211 { | 2210 { |
2212 AlwaysAllocateScope always_allocate(isolate); | 2211 AlwaysAllocateScope always_allocate(isolate); |
2213 SimulateFullSpace(space); | 2212 SimulateFullSpace(space); |
2214 prototype = factory->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, TENURED); | 2213 prototype = |
| 2214 factory->NewJSArray(32 * KB, FAST_HOLEY_ELEMENTS, WEAK, TENURED); |
2215 } | 2215 } |
2216 | 2216 |
2217 // Add a prototype on an evacuation candidate and verify that transition | 2217 // Add a prototype on an evacuation candidate and verify that transition |
2218 // clearing correctly records slots in prototype transition array. | 2218 // clearing correctly records slots in prototype transition array. |
2219 i::FLAG_always_compact = true; | 2219 i::FLAG_always_compact = true; |
2220 Handle<Map> map(baseObject->map()); | 2220 Handle<Map> map(baseObject->map()); |
2221 CHECK(!space->LastPage()->Contains( | 2221 CHECK(!space->LastPage()->Contains( |
2222 TransitionArray::GetPrototypeTransitions(*map)->address())); | 2222 TransitionArray::GetPrototypeTransitions(*map)->address())); |
2223 CHECK(space->LastPage()->Contains(prototype->address())); | 2223 CHECK(space->LastPage()->Contains(prototype->address())); |
2224 } | 2224 } |
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3905 | 3905 |
3906 // Allocate the object. | 3906 // Allocate the object. |
3907 Handle<FixedArray> array_data = factory->NewFixedArray(2, NOT_TENURED); | 3907 Handle<FixedArray> array_data = factory->NewFixedArray(2, NOT_TENURED); |
3908 array_data->set(0, Smi::FromInt(1)); | 3908 array_data->set(0, Smi::FromInt(1)); |
3909 array_data->set(1, Smi::FromInt(2)); | 3909 array_data->set(1, Smi::FromInt(2)); |
3910 | 3910 |
3911 AllocateAllButNBytes(CcTest::heap()->new_space(), | 3911 AllocateAllButNBytes(CcTest::heap()->new_space(), |
3912 JSArray::kSize + AllocationMemento::kSize + | 3912 JSArray::kSize + AllocationMemento::kSize + |
3913 kPointerSize); | 3913 kPointerSize); |
3914 | 3914 |
3915 Handle<JSArray> array = factory->NewJSArrayWithElements(array_data, | 3915 Handle<JSArray> array = |
3916 FAST_SMI_ELEMENTS, | 3916 factory->NewJSArrayWithElements(array_data, FAST_SMI_ELEMENTS); |
3917 NOT_TENURED); | |
3918 | 3917 |
3919 CHECK_EQ(Smi::FromInt(2), array->length()); | 3918 CHECK_EQ(Smi::FromInt(2), array->length()); |
3920 CHECK(array->HasFastSmiOrObjectElements()); | 3919 CHECK(array->HasFastSmiOrObjectElements()); |
3921 | 3920 |
3922 // We need filler the size of AllocationMemento object, plus an extra | 3921 // We need filler the size of AllocationMemento object, plus an extra |
3923 // fill pointer value. | 3922 // fill pointer value. |
3924 HeapObject* obj = NULL; | 3923 HeapObject* obj = NULL; |
3925 AllocationResult allocation = | 3924 AllocationResult allocation = |
3926 CcTest::heap()->new_space()->AllocateRawUnaligned( | 3925 CcTest::heap()->new_space()->AllocateRawUnaligned( |
3927 AllocationMemento::kSize + kPointerSize); | 3926 AllocationMemento::kSize + kPointerSize); |
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5634 size_t counter2 = 2000; | 5633 size_t counter2 = 2000; |
5635 tracer->SampleAllocation(time2, counter2, counter2); | 5634 tracer->SampleAllocation(time2, counter2, counter2); |
5636 size_t throughput = tracer->AllocationThroughputInBytesPerMillisecond(100); | 5635 size_t throughput = tracer->AllocationThroughputInBytesPerMillisecond(100); |
5637 CHECK_EQ(2 * (counter2 - counter1) / (time2 - time1), throughput); | 5636 CHECK_EQ(2 * (counter2 - counter1) / (time2 - time1), throughput); |
5638 int time3 = 1000; | 5637 int time3 = 1000; |
5639 size_t counter3 = 30000; | 5638 size_t counter3 = 30000; |
5640 tracer->SampleAllocation(time3, counter3, counter3); | 5639 tracer->SampleAllocation(time3, counter3, counter3); |
5641 throughput = tracer->AllocationThroughputInBytesPerMillisecond(100); | 5640 throughput = tracer->AllocationThroughputInBytesPerMillisecond(100); |
5642 CHECK_EQ(2 * (counter3 - counter1) / (time3 - time1), throughput); | 5641 CHECK_EQ(2 * (counter3 - counter1) / (time3 - time1), throughput); |
5643 } | 5642 } |
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