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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef MemoryInstrumentationImpl_h | |
| 32 #define MemoryInstrumentationImpl_h | |
| 33 | |
| 34 | |
| 35 #include <wtf/Forward.h> | |
| 36 #include <wtf/HashMap.h> | |
| 37 #include <wtf/HashSet.h> | |
| 38 #include <wtf/MemoryInstrumentation.h> | |
| 39 #include <wtf/Vector.h> | |
| 40 #include <wtf/text/StringHash.h> | |
| 41 | |
| 42 using WTF::MemoryObjectType; | |
| 43 using WTF::MemberType; | |
| 44 | |
| 45 namespace WebCore { | |
| 46 | |
| 47 class HeapGraphSerializer; | |
| 48 | |
| 49 typedef HashSet<const void*> VisitedObjects; | |
| 50 typedef HashMap<String, size_t> TypeNameToSizeMap; | |
| 51 | |
| 52 class MemoryInstrumentationClientImpl : public WTF::MemoryInstrumentationClient
{ | |
| 53 public: | |
| 54 typedef HashMap<const void*, size_t> ObjectToSizeMap; | |
| 55 | |
| 56 explicit MemoryInstrumentationClientImpl(HeapGraphSerializer* serializer) | |
| 57 : m_totalCountedObjects(0) | |
| 58 , m_totalObjectsNotInAllocatedSet(0) | |
| 59 , m_graphSerializer(serializer) | |
| 60 { } | |
| 61 | |
| 62 size_t totalSize(MemoryObjectType objectType) const | |
| 63 { | |
| 64 TypeToSizeMap::const_iterator i = m_totalSizes.find(objectType); | |
| 65 return i == m_totalSizes.end() ? 0 : i->value; | |
| 66 } | |
| 67 | |
| 68 size_t reportedSizeForAllTypes() const | |
| 69 { | |
| 70 size_t size = 0; | |
| 71 for (TypeToSizeMap::const_iterator i = m_totalSizes.begin(); i != m_tota
lSizes.end(); ++i) | |
| 72 size += i->value; | |
| 73 return size; | |
| 74 } | |
| 75 | |
| 76 TypeNameToSizeMap sizesMap() const; | |
| 77 VisitedObjects& allocatedObjects() { return m_allocatedObjects; } | |
| 78 const ObjectToSizeMap& countedObjects() { return m_countedObjects; } | |
| 79 | |
| 80 bool checkInstrumentedObjects() const { return !m_allocatedObjects.isEmpty()
; } | |
| 81 size_t visitedObjects() const { return m_visitedObjects.size(); } | |
| 82 size_t totalCountedObjects() const { return m_totalCountedObjects; } | |
| 83 size_t totalObjectsNotInAllocatedSet() const { return m_totalObjectsNotInAll
ocatedSet; } | |
| 84 | |
| 85 virtual void countObjectSize(const void*, MemoryObjectType, size_t) OVERRIDE
; | |
| 86 virtual bool visited(const void*) OVERRIDE; | |
| 87 virtual bool checkCountedObject(const void*) OVERRIDE; | |
| 88 virtual void reportNode(const MemoryObjectInfo&) OVERRIDE; | |
| 89 virtual void reportEdge(const void*, const char*, MemberType) OVERRIDE; | |
| 90 virtual void reportLeaf(const MemoryObjectInfo&, const char*) OVERRIDE; | |
| 91 virtual void reportBaseAddress(const void*, const void*) OVERRIDE; | |
| 92 virtual int registerString(const char*) OVERRIDE; | |
| 93 | |
| 94 void reportMemoryUsage(MemoryObjectInfo*) const; | |
| 95 | |
| 96 private: | |
| 97 typedef HashMap<MemoryObjectType, size_t> TypeToSizeMap; | |
| 98 TypeToSizeMap m_totalSizes; | |
| 99 VisitedObjects m_visitedObjects; | |
| 100 VisitedObjects m_allocatedObjects; | |
| 101 ObjectToSizeMap m_countedObjects; | |
| 102 size_t m_totalCountedObjects; | |
| 103 size_t m_totalObjectsNotInAllocatedSet; | |
| 104 HeapGraphSerializer* m_graphSerializer; | |
| 105 }; | |
| 106 | |
| 107 class MemoryInstrumentationImpl : public WTF::MemoryInstrumentation { | |
| 108 public: | |
| 109 explicit MemoryInstrumentationImpl(WTF::MemoryInstrumentationClient* client) | |
| 110 : MemoryInstrumentation(client) | |
| 111 { | |
| 112 } | |
| 113 | |
| 114 size_t selfSize() const; | |
| 115 | |
| 116 void reportMemoryUsage(MemoryObjectInfo*) const; | |
| 117 | |
| 118 private: | |
| 119 virtual void deferObject(PassOwnPtr<WrapperBase>) OVERRIDE; | |
| 120 virtual void processDeferredObjects() OVERRIDE; | |
| 121 | |
| 122 Vector<OwnPtr<WrapperBase> > m_deferredObjects; | |
| 123 }; | |
| 124 | |
| 125 } // namespace WebCore | |
| 126 | |
| 127 #endif // !defined(MemoryInstrumentationImpl_h) | |
| 128 | |
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