1 /* 2 * Copyright (C) 2013 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 InspectorHeapProfilerAgent_h 32 #define InspectorHeapProfilerAgent_h 33 34 #include "InspectorFrontend.h" 35 #include "core/inspector/InspectorBaseAgent.h" 36 #include "wtf/Forward.h" 37 #include "wtf/HashMap.h" 38 #include "wtf/Noncopyable.h" 39 #include "wtf/OwnPtr.h" 40 #include "wtf/PassOwnPtr.h" 41 #include "wtf/text/WTFString.h" 42 43 namespace WebCore { 44 45 class InjectedScriptManager; 46 class HeapStatsUpdateTask; 47 class ScriptHeapSnapshot; 48 49 typedef String ErrorString; 50 51 class InspectorHeapProfilerAgent : public InspectorBaseAgent<InspectorHeapProfilerAgent>, public InspectorBackendDispatcher::HeapProfilerCommandHandler { 52 WTF_MAKE_NONCOPYABLE(InspectorHeapProfilerAgent); WTF_MAKE_FAST_ALLOCATED; 53 public: 54 static PassOwnPtr<InspectorHeapProfilerAgent> create(InstrumentingAgents*, InspectorCompositeState*, InjectedScriptManager*); 55 virtual ~InspectorHeapProfilerAgent(); 56 57 virtual void collectGarbage(ErrorString*); 58 virtual void clearProfiles(ErrorString*); 59 60 virtual void enable(ErrorString*); 61 virtual void disable(ErrorString*); 62 virtual void getHeapSnapshot(ErrorString*, int uid); 63 virtual void removeProfile(ErrorString*, int uid); 64 virtual void startTrackingHeapObjects(ErrorString*); 65 virtual void stopTrackingHeapObjects(ErrorString*, const bool* reportProgress); 66 67 virtual void setFrontend(InspectorFrontend*); 68 virtual void clearFrontend(); 69 virtual void restore(); 70 71 virtual void takeHeapSnapshot(ErrorString*, const bool* reportProgress); 72 73 virtual void getObjectByHeapObjectId(ErrorString*, const String& heapSnapshotObjectId, const String* objectGroup, RefPtr<TypeBuilder::Runtime::RemoteObject>& result); 74 virtual void getHeapObjectId(ErrorString*, const String& objectId, String* heapSnapshotObjectId); 75 76 private: 77 class HeapStatsStream; 78 class HeapStatsUpdateTask; 79 80 InspectorHeapProfilerAgent(InstrumentingAgents*, InspectorCompositeState*, InjectedScriptManager*); 81 82 typedef HashMap<unsigned, RefPtr<ScriptHeapSnapshot> > IdToHeapSnapshotMap; 83 84 void resetFrontendProfiles(); 85 void requestHeapStatsUpdate(); 86 void pushHeapStatsUpdate(const uint32_t* const data, const int size); 87 88 PassRefPtr<TypeBuilder::HeapProfiler::ProfileHeader> createSnapshotHeader(const ScriptHeapSnapshot&); 89 void stopTrackingHeapObjectsInternal(); 90 91 InjectedScriptManager* m_injectedScriptManager; 92 InspectorFrontend::HeapProfiler* m_frontend; 93 unsigned m_nextUserInitiatedHeapSnapshotNumber; 94 IdToHeapSnapshotMap m_snapshots; 95 OwnPtr<HeapStatsUpdateTask> m_heapStatsUpdateTask; 96 }; 97 98 } // namespace WebCore 99 100 101 #endif // !defined(InspectorHeapProfilerAgent_h) 102