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31 #ifndef ScriptProfiler_h
32 #define ScriptProfiler_h
34 #include "bindings/core/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;
47 class WorkerGlobalScope;
49 class ScriptProfiler {
50 WTF_MAKE_NONCOPYABLE(ScriptProfiler);
52 class HeapSnapshotProgress {
54 virtual ~HeapSnapshotProgress() { }
55 virtual void Start(int totalWork) = 0;
56 virtual void Worked(int workDone) = 0;
57 virtual void Done() = 0;
58 virtual bool isCanceled() = 0;
63 virtual ~OutputStream() { }
64 virtual void write(const uint32_t* chunk, const int size) = 0;
67 static void collectGarbage();
68 static ScriptValue objectByHeapObjectId(unsigned id);
69 static unsigned getHeapObjectId(const ScriptValue&);
70 static void clearHeapObjectIds();
71 static void setSamplingInterval(int intervalUs);
72 static void start(const String& title);
73 static PassRefPtrWillBeRawPtr<ScriptProfile> stop(const String& title);
74 static PassRefPtr<ScriptHeapSnapshot> takeHeapSnapshot(const String& title, HeapSnapshotProgress*);
75 static void startTrackingHeapObjects(bool trackAllocations);
76 static void stopTrackingHeapObjects();
77 static unsigned requestHeapStatsUpdate(OutputStream*);
78 static void initialize();
79 static void visitNodeWrappers(WrappedNodeVisitor*);
80 static HashMap<String, double>* currentProfileNameIdleTimeMap();
81 static void setIdle(bool isIdle);
86 #endif // ScriptProfiler_h