1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#if ENABLE(INSPECTOR)
#include "MemoryInstrumentationImpl.h"
#include "WebCoreMemoryInstrumentation.h"
#include <wtf/Assertions.h>
#include <wtf/MemoryInstrumentationHashMap.h>
#include <wtf/MemoryInstrumentationHashSet.h>
#include <wtf/MemoryInstrumentationVector.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
TypeNameToSizeMap MemoryInstrumentationClientImpl::sizesMap() const
{
// TypeToSizeMap uses const char* as the key.
// Thus it could happen that we have two different keys with equal string.
TypeNameToSizeMap sizesMap;
for (TypeToSizeMap::const_iterator i = m_totalSizes.begin(); i != m_totalSizes.end(); ++i) {
String objectType(i->key);
TypeNameToSizeMap::AddResult result = sizesMap.add(objectType, i->value);
if (!result.isNewEntry)
result.iterator->value += i->value;
}
return sizesMap;
}
void MemoryInstrumentationClientImpl::countObjectSize(const void* object, MemoryObjectType objectType, size_t size)
{
ASSERT(objectType);
TypeToSizeMap::AddResult result = m_totalSizes.add(objectType, size);
if (!result.isNewEntry)
result.iterator->value += size;
++m_totalCountedObjects;
if (!checkInstrumentedObjects())
return;
if (object)
m_countedObjects.add(object, size);
}
bool MemoryInstrumentationClientImpl::visited(const void* object)
{
return !m_visitedObjects.add(object).isNewEntry;
}
bool MemoryInstrumentationClientImpl::checkCountedObject(const void* object)
{
if (!checkInstrumentedObjects())
return true;
if (!m_allocatedObjects.contains(object)) {
++m_totalObjectsNotInAllocatedSet;
return false;
#if 0
printf("Found unknown object referenced by pointer: %p\n", object);
WTFReportBacktrace();
#endif
}
return true;
}
void MemoryInstrumentationClientImpl::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
{
MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::InspectorMemoryAgent);
info.addMember(m_totalSizes);
info.addMember(m_visitedObjects);
info.addMember(m_allocatedObjects);
info.addMember(m_countedObjects);
}
void MemoryInstrumentationImpl::processDeferredInstrumentedPointers()
{
while (!m_deferredInstrumentedPointers.isEmpty()) {
OwnPtr<InstrumentedPointerBase> pointer = m_deferredInstrumentedPointers.last().release();
m_deferredInstrumentedPointers.removeLast();
pointer->process(this);
}
}
void MemoryInstrumentationImpl::deferInstrumentedPointer(PassOwnPtr<InstrumentedPointerBase> pointer)
{
m_deferredInstrumentedPointers.append(pointer);
}
void MemoryInstrumentationImpl::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
{
MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::InspectorMemoryAgent);
info.addMember(m_deferredInstrumentedPointers);
}
} // namespace WebCore
#endif // ENABLE(INSPECTOR)
|
