| /* |
| * 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" |
| #include "core/inspector/MemoryInstrumentationImpl.h" |
| |
| #include "core/dom/WebCoreMemoryInstrumentation.h" |
| #include "core/inspector/HeapGraphSerializer.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; |
| } |
| return true; |
| } |
| |
| void MemoryInstrumentationClientImpl::reportNode(const MemoryObjectInfo& node) |
| { |
| if (m_graphSerializer) |
| m_graphSerializer->reportNode(node); |
| } |
| |
| void MemoryInstrumentationClientImpl::reportEdge(const void* target, const char* name, MemberType memberType) |
| { |
| if (m_graphSerializer) |
| m_graphSerializer->reportEdge(target, name, memberType); |
| } |
| |
| void MemoryInstrumentationClientImpl::reportLeaf(const MemoryObjectInfo& target, const char* edgeName) |
| { |
| if (m_graphSerializer) |
| m_graphSerializer->reportLeaf(target, edgeName); |
| } |
| |
| void MemoryInstrumentationClientImpl::reportBaseAddress(const void* base, const void* real) |
| { |
| if (m_graphSerializer) |
| m_graphSerializer->reportBaseAddress(base, real); |
| } |
| |
| int MemoryInstrumentationClientImpl::registerString(const char* string) |
| { |
| if (m_graphSerializer) |
| return m_graphSerializer->registerString(string); |
| return -1; |
| } |
| |
| void MemoryInstrumentationClientImpl::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const |
| { |
| MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::InspectorMemoryAgent); |
| info.addMember(m_totalSizes, "totalSizes"); |
| info.addMember(m_visitedObjects, "visitedObjects"); |
| info.addMember(m_allocatedObjects, "allocatedObjects"); |
| info.addMember(m_countedObjects, "countedObjects"); |
| info.addMember(m_graphSerializer, "graphSerializer"); |
| } |
| |
| void MemoryInstrumentationImpl::processDeferredObjects() |
| { |
| while (!m_deferredObjects.isEmpty()) { |
| OwnPtr<WrapperBase> pointer = m_deferredObjects.last().release(); |
| m_deferredObjects.removeLast(); |
| pointer->process(this); |
| } |
| } |
| |
| void MemoryInstrumentationImpl::deferObject(PassOwnPtr<WrapperBase> pointer) |
| { |
| m_deferredObjects.append(pointer); |
| } |
| |
| void MemoryInstrumentationImpl::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const |
| { |
| MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::InspectorMemoryAgent); |
| info.addMember(m_deferredObjects, "deferredObjects"); |
| } |
| |
| |
| } // namespace WebCore |
| |