[虚幻引擎] UE里面监控每帧循环里面 C++ 函数的性能，监控函数效率，函数执行时间。

doubleThisTime=0;
{
SCOPE_SECONDS_COUNTER(ThisTime);
// ...// 一串代码// ...}
UE_LOG(LogTemp, Log, TEXT("Stats::Broadcast %.2f"), ThisTime);

DECLARE_STATS_GROUP(TEXT("DTActor"), STATGROUP_DTActor, STATCAT_Test);

DECLARE_CYCLE_STAT(TEXT("DTActor Tick"), STAT_Tick, STATGROUP_DTActor);
DECLARE_CYCLE_STAT(TEXT("DTActor Call"), STAT_Call, STATGROUP_DTActor);

voidADTActor::Tick(floatDeltaTime)
{
SCOPE_CYCLE_COUNTER(STAT_Tick);
Super::Tick(DeltaTime);
}
voidADTActor::Call()
{
SCOPE_CYCLE_COUNTER(STAT_Call);
}

// Copyright 2023 Dexter.Wan. All Rights Reserved. // EMail: 45141961@qq.com// Website: https://dt.cq.cn/#pragma once#include "CoreMinimal.h"#include "GameFramework/Actor.h"#include "DTActor.generated.h"UCLASS()
classDTMOVIE_APIADTActor : publicAActor{
GENERATED_BODY()
public:
ADTActor();
protected:
virtualvoidBeginPlay() override;
public:
virtualvoidTick(floatDeltaTime) override;
voidCall();
};

// Copyright 2023 Dexter.Wan. All Rights Reserved. // EMail: 45141961@qq.com// Website: https://dt.cq.cn/#include "DTActor.h"DECLARE_STATS_GROUP(TEXT("DTActor"), STATGROUP_DTActor, STATCAT_Test);
DECLARE_CYCLE_STAT(TEXT("DTActor Tick"), STAT_Tick, STATGROUP_DTActor); 
DECLARE_CYCLE_STAT(TEXT("DTActor Call"), STAT_Call, STATGROUP_DTActor);
ADTActor::ADTActor()
{
PrimaryActorTick.bCanEverTick=true;
}
voidADTActor::BeginPlay()
{
Super::BeginPlay();
}
voidADTActor::Tick(floatDeltaTime)
{
SCOPE_CYCLE_COUNTER(STAT_Tick);
Super::Tick(DeltaTime);
FStringS;
for ( intn=0; n<50000; ++n )
    {
S+=TEXT("1");
    }
Call();
Call();
}
voidADTActor::Call()
{
SCOPE_CYCLE_COUNTER(STAT_Call);
FStringS;
for ( intn=0; n<50000; ++n )
    {
S+=TEXT("1");
    }
}