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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 // 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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| 81 CHECK(!heap->AllocateFixedArray(kOldPointerSpaceFillerLength, TENURED)-> | 81 CHECK(!heap->AllocateFixedArray(kOldPointerSpaceFillerLength, TENURED)-> |
| 82 IsFailure()); | 82 IsFailure()); |
| 83 } | 83 } |
| 84 CHECK(!heap->AllocateFixedArray(kOldPointerSpaceFillerLength, TENURED)-> | 84 CHECK(!heap->AllocateFixedArray(kOldPointerSpaceFillerLength, TENURED)-> |
| 85 IsFailure()); | 85 IsFailure()); |
| 86 | 86 |
| 87 // Large object space. | 87 // Large object space. |
| 88 static const int kLargeObjectSpaceFillerLength = 300000; | 88 static const int kLargeObjectSpaceFillerLength = 300000; |
| 89 static const int kLargeObjectSpaceFillerSize = FixedArray::SizeFor( | 89 static const int kLargeObjectSpaceFillerSize = FixedArray::SizeFor( |
| 90 kLargeObjectSpaceFillerLength); | 90 kLargeObjectSpaceFillerLength); |
| 91 ASSERT(kLargeObjectSpaceFillerSize > heap->MaxObjectSizeInPagedSpace()); | 91 ASSERT(kLargeObjectSpaceFillerSize > heap->old_pointer_space()->AreaSize()); |
| 92 while (heap->OldGenerationSpaceAvailable() > kLargeObjectSpaceFillerSize) { | 92 while (heap->OldGenerationSpaceAvailable() > kLargeObjectSpaceFillerSize) { |
| 93 CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)-> | 93 CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)-> |
| 94 IsFailure()); | 94 IsFailure()); |
| 95 } | 95 } |
| 96 CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)-> | 96 CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)-> |
| 97 IsFailure()); | 97 IsFailure()); |
| 98 | 98 |
| 99 // Map space. | 99 // Map space. |
| 100 MapSpace* map_space = heap->map_space(); | 100 MapSpace* map_space = heap->map_space(); |
| 101 static const int kMapSpaceFillerSize = Map::kSize; | 101 static const int kMapSpaceFillerSize = Map::kSize; |
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| 207 Isolate::Current()->InitializeLoggingAndCounters(); | 207 Isolate::Current()->InitializeLoggingAndCounters(); |
| 208 CodeRange* code_range = new CodeRange(Isolate::Current()); | 208 CodeRange* code_range = new CodeRange(Isolate::Current()); |
| 209 code_range->SetUp(code_range_size); | 209 code_range->SetUp(code_range_size); |
| 210 int current_allocated = 0; | 210 int current_allocated = 0; |
| 211 int total_allocated = 0; | 211 int total_allocated = 0; |
| 212 List<Block> blocks(1000); | 212 List<Block> blocks(1000); |
| 213 | 213 |
| 214 while (total_allocated < 5 * code_range_size) { | 214 while (total_allocated < 5 * code_range_size) { |
| 215 if (current_allocated < code_range_size / 10) { | 215 if (current_allocated < code_range_size / 10) { |
| 216 // Allocate a block. | 216 // Allocate a block. |
| 217 // Geometrically distributed sizes, greater than Page::kMaxHeapObjectSize. | 217 // Geometrically distributed sizes, greater than |
| 218 // Page::kMaxNonCodeHeapObjectSize (which is greater than code page area). |
| 218 // TODO(gc): instead of using 3 use some contant based on code_range_size | 219 // TODO(gc): instead of using 3 use some contant based on code_range_size |
| 219 // kMaxHeapObjectSize. | 220 // kMaxHeapObjectSize. |
| 220 size_t requested = (Page::kMaxHeapObjectSize << (Pseudorandom() % 3)) + | 221 size_t requested = |
| 221 Pseudorandom() % 5000 + 1; | 222 (Page::kMaxNonCodeHeapObjectSize << (Pseudorandom() % 3)) + |
| 223 Pseudorandom() % 5000 + 1; |
| 222 size_t allocated = 0; | 224 size_t allocated = 0; |
| 223 Address base = code_range->AllocateRawMemory(requested, &allocated); | 225 Address base = code_range->AllocateRawMemory(requested, &allocated); |
| 224 CHECK(base != NULL); | 226 CHECK(base != NULL); |
| 225 blocks.Add(Block(base, static_cast<int>(allocated))); | 227 blocks.Add(Block(base, static_cast<int>(allocated))); |
| 226 current_allocated += static_cast<int>(allocated); | 228 current_allocated += static_cast<int>(allocated); |
| 227 total_allocated += static_cast<int>(allocated); | 229 total_allocated += static_cast<int>(allocated); |
| 228 } else { | 230 } else { |
| 229 // Free a block. | 231 // Free a block. |
| 230 int index = Pseudorandom() % blocks.length(); | 232 int index = Pseudorandom() % blocks.length(); |
| 231 code_range->FreeRawMemory(blocks[index].base, blocks[index].size); | 233 code_range->FreeRawMemory(blocks[index].base, blocks[index].size); |
| 232 current_allocated -= blocks[index].size; | 234 current_allocated -= blocks[index].size; |
| 233 if (index < blocks.length() - 1) { | 235 if (index < blocks.length() - 1) { |
| 234 blocks[index] = blocks.RemoveLast(); | 236 blocks[index] = blocks.RemoveLast(); |
| 235 } else { | 237 } else { |
| 236 blocks.RemoveLast(); | 238 blocks.RemoveLast(); |
| 237 } | 239 } |
| 238 } | 240 } |
| 239 } | 241 } |
| 240 | 242 |
| 241 code_range->TearDown(); | 243 code_range->TearDown(); |
| 242 delete code_range; | 244 delete code_range; |
| 243 } | 245 } |
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