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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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1369 void ThreadState::promptlyFreed(size_t gcInfoIndex) | 1369 void ThreadState::promptlyFreed(size_t gcInfoIndex) |
1370 { | 1370 { |
1371 size_t entryIndex = gcInfoIndex & likelyToBePromptlyFreedArrayMask; | 1371 size_t entryIndex = gcInfoIndex & likelyToBePromptlyFreedArrayMask; |
1372 // See the comment in vectorBackingHeap() for why this is +3. | 1372 // See the comment in vectorBackingHeap() for why this is +3. |
1373 m_likelyToBePromptlyFreed[entryIndex] += 3; | 1373 m_likelyToBePromptlyFreed[entryIndex] += 3; |
1374 } | 1374 } |
1375 | 1375 |
1376 void ThreadState::takeSnapshot() | 1376 void ThreadState::takeSnapshot() |
1377 { | 1377 { |
1378 ASSERT(isInGC()); | 1378 ASSERT(isInGC()); |
1379 // TODO(ssid): Implement this. | 1379 |
| 1380 int numberOfHeapsReported = 0; |
| 1381 #define SNAPSHOT_HEAP(HeapType)
\ |
| 1382 {
\ |
| 1383 numberOfHeapsReported++;
\ |
| 1384 String allocatorBaseName;
\ |
| 1385 allocatorBaseName = String::format("blink_gc/thread_%lu/heaps/" #HeapTyp
e, (unsigned long)(m_thread)); \ |
| 1386 m_heaps[HeapType##HeapIndex]->takeSnapshot(allocatorBaseName);
\ |
| 1387 } |
| 1388 |
| 1389 SNAPSHOT_HEAP(NormalPage1); |
| 1390 SNAPSHOT_HEAP(NormalPage2); |
| 1391 SNAPSHOT_HEAP(NormalPage3); |
| 1392 SNAPSHOT_HEAP(NormalPage4); |
| 1393 SNAPSHOT_HEAP(EagerSweep); |
| 1394 SNAPSHOT_HEAP(Vector1); |
| 1395 SNAPSHOT_HEAP(Vector2); |
| 1396 SNAPSHOT_HEAP(Vector3); |
| 1397 SNAPSHOT_HEAP(Vector4); |
| 1398 SNAPSHOT_HEAP(InlineVector); |
| 1399 SNAPSHOT_HEAP(HashTable); |
| 1400 SNAPSHOT_HEAP(LargeObject); |
| 1401 FOR_EACH_TYPED_HEAP(SNAPSHOT_HEAP); |
| 1402 |
| 1403 ASSERT(numberOfHeapsReported == NumberOfHeaps); |
| 1404 |
| 1405 #undef SNAPSHOT_HEAP |
1380 } | 1406 } |
1381 | 1407 |
1382 #if ENABLE(GC_PROFILING) | 1408 #if ENABLE(GC_PROFILING) |
1383 const GCInfo* ThreadState::findGCInfoFromAllThreads(Address address) | 1409 const GCInfo* ThreadState::findGCInfoFromAllThreads(Address address) |
1384 { | 1410 { |
1385 bool needLockForIteration = !ThreadState::current()->isInGC(); | 1411 bool needLockForIteration = !ThreadState::current()->isInGC(); |
1386 if (needLockForIteration) | 1412 if (needLockForIteration) |
1387 threadAttachMutex().lock(); | 1413 threadAttachMutex().lock(); |
1388 | 1414 |
1389 for (ThreadState* state : attachedThreads()) { | 1415 for (ThreadState* state : attachedThreads()) { |
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1469 json->beginArray(it->key.ascii().data()); | 1495 json->beginArray(it->key.ascii().data()); |
1470 for (size_t age = 0; age <= maxHeapObjectAge; ++age) | 1496 for (size_t age = 0; age <= maxHeapObjectAge; ++age) |
1471 json->pushInteger(it->value.ages[age]); | 1497 json->pushInteger(it->value.ages[age]); |
1472 json->endArray(); | 1498 json->endArray(); |
1473 } | 1499 } |
1474 TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(TRACE_DISABLED_BY_DEFAULT("blink_gc"), s
tatsName, this, json.release()); | 1500 TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(TRACE_DISABLED_BY_DEFAULT("blink_gc"), s
tatsName, this, json.release()); |
1475 } | 1501 } |
1476 #endif | 1502 #endif |
1477 | 1503 |
1478 } // namespace blink | 1504 } // namespace blink |
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