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31 #ifndef ScriptProfiler_h
32 #define ScriptProfiler_h
34 #include "bindings/v8/ScriptHeapSnapshot.h"
35 #include "core/inspector/ScriptProfile.h"
37 #include "wtf/Forward.h"
38 #include "wtf/PassRefPtr.h"
39 #include "wtf/text/WTFString.h"
43 class ExternalStringVisitor;
44 class WrappedNodeVisitor;
48 class WorkerGlobalScope;
50 class ScriptProfiler {
51 WTF_MAKE_NONCOPYABLE(ScriptProfiler);
53 class HeapSnapshotProgress {
55 virtual ~HeapSnapshotProgress() { }
56 virtual void Start(int totalWork) = 0;
57 virtual void Worked(int workDone) = 0;
58 virtual void Done() = 0;
59 virtual bool isCanceled() = 0;
64 virtual ~OutputStream() { }
65 virtual void write(const uint32_t* chunk, const int size) = 0;
68 static void collectGarbage();
69 static ScriptObject objectByHeapObjectId(unsigned id);
70 static unsigned getHeapObjectId(const ScriptValue&);
71 static void clearHeapObjectIds();
72 static void setSamplingInterval(int intervalUs);
73 static void start(const String& title);
74 static PassRefPtr<ScriptProfile> stop(const String& title);
75 static PassRefPtr<ScriptHeapSnapshot> takeHeapSnapshot(const String& title, HeapSnapshotProgress*);
76 static void startTrackingHeapObjects(bool trackAllocations);
77 static void stopTrackingHeapObjects();
78 static unsigned requestHeapStatsUpdate(OutputStream*);
79 static void initialize();
80 static void visitNodeWrappers(WrappedNodeVisitor*);
81 static HashMap<String, double>* currentProfileNameIdleTimeMap();
82 static void setIdle(bool isIdle);
85 } // namespace WebCore
87 #endif // ScriptProfiler_h