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#jira UE-185725, UE-179996, #rb phil.popp #swarm https://p4-swarm.epicgames.net/reviews/27703580 [CL 28775007 by maxwell hayes in ue5-main branch]
92 lines
2.1 KiB
C++
92 lines
2.1 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 "HAL/PlatformAtomics.h"
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#include "ProfilingDebugging/CountersTrace.h"
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#include "ProfilingDebugging/CsvProfiler.h"
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#include "Stats/Stats.h"
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#include "Templates/UniquePtr.h"
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#include "UObject/NameTypes.h"
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// todo: comments
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namespace Metasound
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{
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#if COUNTERSTRACE_ENABLED
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using CounterType = FCountersTrace::FCounterInt;
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#else
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using CounterType = FThreadSafeCounter64;
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#endif
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// forward
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class FConcurrentInstanceCounter;
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class FConcurrentInstanceCounterManager
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{
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public:
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FConcurrentInstanceCounterManager(const FString InCategoryName);
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void Increment(const FName& InstanceName);
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void Decrement(const FName& IntsanceName);
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int64 GetCountForName(const FName& InName);
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int64 GetPeakCountForName(const FName& InName);
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private:
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struct FStats
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{
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public:
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// ctor
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#if COUNTERSTRACE_ENABLED
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FStats(const FString& InName);
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#else
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FStats() = default;
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#endif
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void Increment();
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void Decrement();
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int64 GetCount();
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int64 GetPeakCount();
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private:
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TUniquePtr<CounterType> TraceCounter;
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int64 PeakCount;
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}; // struct FStats
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FStats& GetOrAddStats(const FName& InstanceName);
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TMap<FName, FStats> StatsMap;
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FCriticalSection MapCritSec;
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FString CategoryName;
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}; // class FConcurrentInstanceCounterManager
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class FConcurrentInstanceCounter
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{
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public:
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// ctor
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FConcurrentInstanceCounter() = delete; // must init ManagerPtr
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FConcurrentInstanceCounter(TSharedPtr<FConcurrentInstanceCounterManager> InCounterManager);
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FConcurrentInstanceCounter(const FName& InName, TSharedPtr<FConcurrentInstanceCounterManager> InCounterManager);
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FConcurrentInstanceCounter(const FString& InName, TSharedPtr<FConcurrentInstanceCounterManager> InCounterManager);
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// dtor
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virtual ~FConcurrentInstanceCounter();
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// for non-RAII clients
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void Init(const FName& InName);
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void Init(const FString& InName);
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private:
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FConcurrentInstanceCounterManager& GetManagerChecked();
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FName InstanceName;
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TSharedPtr<FConcurrentInstanceCounterManager> ManagerPtr;
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}; // class FConcurrentInstanceCounter
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} // namespace Metasound
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