119 lines
3.9 KiB
C++
119 lines
3.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#include "Containers/Map.h"
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#include "Containers/UnrealString.h"
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// TraceAnalysis
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#include "Trace/Analyzer.h"
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// TraceServices
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#include "Model/MonotonicTimeline.h"
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#include "TraceServices/Model/TimingProfiler.h"
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namespace TraceServices
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{
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class IAnalysisSession;
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class IEditableTimingProfilerProvider;
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class IEditableThreadProvider;
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class FCpuProfilerAnalyzer
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: public UE::Trace::IAnalyzer
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{
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public:
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FCpuProfilerAnalyzer(IAnalysisSession& Session, IEditableTimingProfilerProvider& InEditableTimingProfilerProvider, IEditableThreadProvider& InEditableThreadProvider);
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~FCpuProfilerAnalyzer();
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virtual void OnAnalysisBegin(const FOnAnalysisContext& Context) override;
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virtual void OnAnalysisEnd(/*const FOnAnalysisEndContext& Context*/) override;
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virtual bool OnEvent(uint16 RouteId, EStyle Style, const FOnEventContext& Context) override;
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private:
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struct FEventScopeState
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{
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uint64 StartCycle;
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uint32 EventTypeId;
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};
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struct FPendingEvent
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{
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uint64 Cycle;
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double Time;
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uint32 TimerId;
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};
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struct FThreadState
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{
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uint32 ThreadId = 0;
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TArray<FEventScopeState> ScopeStack;
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TArray<FPendingEvent> PendingEvents;
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IEditableTimeline<FTimingProfilerEvent>* Timeline = nullptr;
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uint64 LastCycle = 0;
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bool bShouldIgnorePendingEvents = false; // becomes true when we detect first pending event with incorrect timestamp (i.e < LastCycle)
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double LastPendingEventTime = 0;
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int32 MetadataEventsDepth = 0;
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};
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struct FTimerInfo
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{
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uint32 Id;
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uint32 Count;
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};
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enum : uint16
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{
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RouteId_EventSpec,
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RouteId_EndThread,
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RouteId_EventBatchV3,
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RouteId_EventBatchV2, // backward compatibility
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RouteId_EventBatch, // backward compatibility
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RouteId_EndCapture, // backward compatibility
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RouteId_CpuScope,
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RouteId_MetadataSpec,
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RouteId_Metadata,
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};
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void ProcessBuffer(const FEventTime& EventTime, FThreadState& ThreadState, const uint8* BufferPtr, uint32 BufferSize);
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void ProcessBufferV2(const FEventTime& EventTime, FThreadState& ThreadState, const uint8* BufferPtr, uint32 BufferSize, int32 Version);
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void DispatchPendingEvents(uint64& LastCycle, uint64 CurrentCycle, FThreadState& ThreadState, const FPendingEvent*& PendingCursor, int32& RemainingPending, bool bIsBeginEvent);
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void DispatchRemainingPendingEvents(FThreadState& ThreadState);
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void EndOpenEvents(FThreadState& ThreadState, double Timestamp);
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void OnCpuScopeEnter(const FOnEventContext& Context);
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void OnCpuScopeLeave(const FOnEventContext& Context);
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void OnEventSpec(const FOnEventContext& Context);
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void OnMetadataSpec(const FOnEventContext& Context);
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uint32 GetOrAddTimer(uint32 SpecId);
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uint32 AddCpuTimer(uint32 SpecId, const TCHAR* TimerName, const TCHAR* File = nullptr, uint32 Line = 0); // returns the TimerId
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uint32 DefineMergedTimer(uint32 SpecId, const TCHAR* TimerName, const TCHAR* File, uint32 Line); // returns the TimerId
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uint32 DefineUniqueTimer(uint32 SpecId, const TCHAR* TimerName, const TCHAR* File, uint32 Line); // returns the TimerId
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const TCHAR* GetTimerName(uint32 TimerId) const;
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void SetTimerName(uint32 SpecId, uint32 TimerId, const TCHAR* TimerName);
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FThreadState& GetOrAddThreadState(uint32 ThreadId);
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private:
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IAnalysisSession& Session;
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IEditableTimingProfilerProvider& EditableTimingProfilerProvider;
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IEditableThreadProvider& EditableThreadProvider;
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TMap<uint32, FThreadState*> ThreadStatesMap;
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TMap<uint32, uint32> SpecIdToTimerIdMap; // SpecId --> TimerId
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TMap<uint64, FTimerInfo> ScopeNameToTimerIdMap; // (uint64)Name --> FTimerInfo
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TMap<uint32, uint32> MetadataIdToTimerIdMap; // MetadataId --> TimerId
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uint32 CoroutineTimerId = ~0;
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uint32 CoroutineUnknownTimerId = ~0;
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uint32 MetadataUnknownTimerId = ~0;
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uint64 TotalEventSize = 0;
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uint64 TotalScopeCount = 0;
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double BytesPerScope = 0.0;
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uint32 NumTimerWarnings = 0;
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static constexpr uint32 NumMaxWarnings = 100;
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};
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} // namespace TraceServices
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