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Side by Side Diff: Source/wtf/Partitions.cpp

Issue 1189593003: Rename Partitions::getRenderingPartition() -> getLayoutPartition() (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 6 months ago
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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
(...skipping 24 matching lines...) Expand all
35 #include "wtf/FastMalloc.h" 35 #include "wtf/FastMalloc.h"
36 #include "wtf/MainThread.h" 36 #include "wtf/MainThread.h"
37 37
38 namespace WTF { 38 namespace WTF {
39 39
40 bool Partitions::s_initialized; 40 bool Partitions::s_initialized;
41 41
42 PartitionAllocatorGeneric Partitions::m_fastMallocAllocator; 42 PartitionAllocatorGeneric Partitions::m_fastMallocAllocator;
43 PartitionAllocatorGeneric Partitions::m_bufferAllocator; 43 PartitionAllocatorGeneric Partitions::m_bufferAllocator;
44 SizeSpecificPartitionAllocator<3328> Partitions::m_objectModelAllocator; 44 SizeSpecificPartitionAllocator<3328> Partitions::m_objectModelAllocator;
45 SizeSpecificPartitionAllocator<1024> Partitions::m_renderingAllocator; 45 SizeSpecificPartitionAllocator<1024> Partitions::m_layoutAllocator;
46 HistogramEnumerationFunction Partitions::m_histogramEnumeration = nullptr; 46 HistogramEnumerationFunction Partitions::m_histogramEnumeration = nullptr;
47 47
48 void Partitions::initialize(HistogramEnumerationFunction histogramEnumeration) 48 void Partitions::initialize(HistogramEnumerationFunction histogramEnumeration)
49 { 49 {
50 static int lock = 0; 50 static int lock = 0;
51 // Guard against two threads hitting here in parallel. 51 // Guard against two threads hitting here in parallel.
52 spinLockLock(&lock); 52 spinLockLock(&lock);
53 if (!s_initialized) { 53 if (!s_initialized) {
54 m_fastMallocAllocator.init(); 54 m_fastMallocAllocator.init();
55 m_bufferAllocator.init(); 55 m_bufferAllocator.init();
56 m_objectModelAllocator.init(); 56 m_objectModelAllocator.init();
57 m_renderingAllocator.init(); 57 m_layoutAllocator.init();
58 m_histogramEnumeration = histogramEnumeration; 58 m_histogramEnumeration = histogramEnumeration;
59 s_initialized = true; 59 s_initialized = true;
60 } 60 }
61 spinLockUnlock(&lock); 61 spinLockUnlock(&lock);
62 } 62 }
63 63
64 void Partitions::shutdown() 64 void Partitions::shutdown()
65 { 65 {
66 // We could ASSERT here for a memory leak within the partition, but it leads 66 // We could ASSERT here for a memory leak within the partition, but it leads
67 // to very hard to diagnose ASSERTs, so it's best to leave leak checking for 67 // to very hard to diagnose ASSERTs, so it's best to leave leak checking for
68 // the valgrind and heapcheck bots, which run without partitions. 68 // the valgrind and heapcheck bots, which run without partitions.
69 (void) m_renderingAllocator.shutdown(); 69 (void) m_layoutAllocator.shutdown();
70 (void) m_objectModelAllocator.shutdown(); 70 (void) m_objectModelAllocator.shutdown();
71 (void) m_bufferAllocator.shutdown(); 71 (void) m_bufferAllocator.shutdown();
72 (void) m_fastMallocAllocator.shutdown(); 72 (void) m_fastMallocAllocator.shutdown();
73 } 73 }
74 74
75 void Partitions::decommitFreeableMemory() 75 void Partitions::decommitFreeableMemory()
76 { 76 {
77 ASSERT(isMainThread()); 77 ASSERT(isMainThread());
78 78
79 partitionPurgeMemoryGeneric(getBufferPartition()); 79 partitionPurgeMemoryGeneric(bufferPartition());
80 partitionPurgeMemoryGeneric(getFastMallocPartition()); 80 partitionPurgeMemoryGeneric(fastMallocPartition());
81 partitionPurgeMemory(getObjectModelPartition()); 81 partitionPurgeMemory(objectModelPartition());
82 partitionPurgeMemory(getRenderingPartition()); 82 partitionPurgeMemory(layoutPartition());
83 } 83 }
84 84
85 void Partitions::reportMemoryUsageHistogram() 85 void Partitions::reportMemoryUsageHistogram()
86 { 86 {
87 static size_t supportedMaxSizeInMB = 4 * 1024; 87 static size_t supportedMaxSizeInMB = 4 * 1024;
88 static size_t observedMaxSizeInMB = 0; 88 static size_t observedMaxSizeInMB = 0;
89 89
90 if (!m_histogramEnumeration) 90 if (!m_histogramEnumeration)
91 return; 91 return;
92 // We only report the memory in the main thread. 92 // We only report the memory in the main thread.
(...skipping 10 matching lines...) Expand all
103 observedMaxSizeInMB = sizeInMB; 103 observedMaxSizeInMB = sizeInMB;
104 } 104 }
105 } 105 }
106 106
107 void Partitions::dumpMemoryStats(PartitionStatsDumper* partitionStatsDumper) 107 void Partitions::dumpMemoryStats(PartitionStatsDumper* partitionStatsDumper)
108 { 108 {
109 // Object model and rendering partitions are not thread safe and can be 109 // Object model and rendering partitions are not thread safe and can be
110 // accessed only on the main thread. 110 // accessed only on the main thread.
111 ASSERT(isMainThread()); 111 ASSERT(isMainThread());
112 112
113 partitionDumpStatsGeneric(getFastMallocPartition(), "fast_malloc_partition", partitionStatsDumper); 113 partitionDumpStatsGeneric(fastMallocPartition(), "fast_malloc_partition", pa rtitionStatsDumper);
114 partitionDumpStatsGeneric(getBufferPartition(), "buffer_partition", partitio nStatsDumper); 114 partitionDumpStatsGeneric(bufferPartition(), "buffer_partition", partitionSt atsDumper);
115 partitionDumpStats(getObjectModelPartition(), "object_model_partition", part itionStatsDumper); 115 partitionDumpStats(objectModelPartition(), "object_model_partition", partiti onStatsDumper);
116 partitionDumpStats(getRenderingPartition(), "rendering_partition", partition StatsDumper); 116 partitionDumpStats(layoutPartition(), "layout_partition", partitionStatsDump er);
117 } 117 }
118 118
119 } // namespace WTF 119 } // namespace WTF
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