115 lines
3.2 KiB
C++
115 lines
3.2 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/StringFwd.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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namespace TraceServices
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{
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class FAnalysisSession;
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class FTimingProfilerProvider;
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class IEditableCounter;
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class IEditableCounterProvider;
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// The New GPU Profiler
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class FGpuProfilerAnalyzer : public UE::Trace::IAnalyzer
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{
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private:
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enum : uint16
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{
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RouteId_Init,
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RouteId_QueueSpec,
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RouteId_EventFrameBoundary,
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RouteId_EventBreadcrumbSpec,
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RouteId_EventBeginBreadcrumb,
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RouteId_EventEndBreadcrumb,
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RouteId_EventBeginWork,
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RouteId_EventEndWork,
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RouteId_EventWait,
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RouteId_EventStats,
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RouteId_SignalFence,
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RouteId_WaitFence,
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};
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struct FOpenEvent
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{
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double Time;
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uint32 TimerId;
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};
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struct FQueue
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{
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uint32 Id = 0;
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uint32 FrameNumber = 0;
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TArray<FOpenEvent> Stack[2]; // [0] = breadcrumbs, [1] = work
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IEditableCounter* NumDrawsCounter;
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IEditableCounter* NumPrimitivesCounter;
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uint64 NumDraws = 0;
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uint64 NumPrimitives = 0;
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double LastTime = 0.0f;
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};
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struct FErrorData
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{
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static constexpr uint32 NumMaxWarnings = 100;
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static constexpr uint32 NumMaxErrors = 100;
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uint32 NumWarnings = 0;
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uint32 NumTimerWarnings = 0;
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uint32 NumErrors = 0;
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uint32 NumInterleavedEvents = 0;
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uint32 NumInterleavedAndReversedEvents = 0;
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uint32 NumMismatchedEvents = 0;
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uint32 NumNegativeDurationEvents = 0;
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double InterleavedEventsMaxDelta = 0.0f;
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double InterleavedAndReversedEventsMaxDelta = 0.0f;
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double NegativeDurationEventsMaxDelta = 0.0f;
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};
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public:
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FGpuProfilerAnalyzer(FAnalysisSession& Session, FTimingProfilerProvider& TimingProfilerProvider, IEditableCounterProvider& EditableCounterProvider);
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virtual void OnAnalysisBegin(const FOnAnalysisContext& Context) override;
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virtual void OnAnalysisEnd() 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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FQueue& GetOrAddQueue(uint32 QueueId);
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void BeginEvent(FQueue& Queue, int32 StackIndex, double Time, uint32 TimerId);
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void EndEvent(FQueue& Queue, int32 StackIndex, double Time, uint32 TimerId);
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void OnEventBreadcrumbSpec(const FOnEventContext& Context);
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uint32 GetOrAddTimer(uint32 SpecId, const FString& Breadcrumb);
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uint32 AddGpuTimer(uint32 SpecId, const FString& Breadcrumb);
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const TCHAR* GetTimerName(uint32 TimerId) const;
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void SetTimerName(uint32 SpecId, uint32 TimerId, FStringView TimerName);
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void InitCounters(FQueue& FoundQueue);
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void InitCountersDesc(FQueue& FoundQueue, uint8 Gpu, uint8 Index, const TCHAR* Name);
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private:
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FAnalysisSession& Session;
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FTimingProfilerProvider& TimingProfilerProvider;
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IEditableCounterProvider& EditableCounterProvider;
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uint32 Version = 0;
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static constexpr uint32 InvalidTimerId = 0;
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uint32 GpuWorkTimerId = InvalidTimerId;
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uint32 GpuWaitTimerId = InvalidTimerId;
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TMap<uint32, uint32> SpecIdToTimerIdMap; // breadcrumb spec id --> GPU timer id
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TMap<FString, uint32> BreadcrumbMap; // breadcrumb name --> GPU timer id
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TMap<uint32, const TCHAR*> TimerMap; // GPU timer id --> persistent timer name
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TMap<uint32, FQueue> Queues; // QueueId --> FQueue
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FErrorData ErrorData;
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};
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} // namespace TraceServices
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