PlatformIoDispatcherStats.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "IO/IoDispatcherFilesystemStats.h"
 
#define UE_PLATFORM_DISPATCHER_STATS_ENABLED (COUNTERSTRACE_ENABLED || CSV_PROFILER_STATS)
 
namespace UE
{
 
struct FIoFileBlockRequest;
struct FIoEncodedBlockRequest;
 
#if UE_PLATFORM_DISPATCHER_STATS_ENABLED 
class FPlatformIoDispatcherStats
{
public:
    void OnFileBlockRequestEnqueued(FIoFileBlockRequest& FileBlockRequest);
    void OnFileBlockRequestDequeued(FIoFileBlockRequest& FileBlockRequest);
    void OnFileBlockReadStarted(FIoFileBlockRequest& FileBlockRequest);
    void OnFileBlockReadCompleted(FIoFileBlockRequest& FileBlockRequest);
    void OnFileBlockCompleted(FIoFileBlockRequest& FileBlockRequest);
    void OnFileBlockMemoryAllocated(uint32 Size);
    void OnFileBlockMemoryFreed(uint32 Size);
    void OnFileBlockCacheHit(uint64 Size);
    void OnFileBlockCacheMiss(uint64 Size);
    void OnFileBlockCacheStore(uint64 Size);
    void OnDecodeRequestEnqueued(FIoEncodedBlockRequest& EncodedBlockRequest);
    void OnDecodeRequestCompleted(FIoEncodedBlockRequest& EncodedBlockRequest);
    void OnBytesScattered(int64 BytesScattered);
 
private:
    FIoDispatcherFilesystemStats Stats;
};
#else
 
class FPlatformIoDispatcherStats
{
public:
    void OnFileBlockRequestEnqueued(FIoFileBlockRequest& FileBlockRequest) { };
    void OnFileBlockRequestDequeued(FIoFileBlockRequest& FileBlockRequest) { };
    void OnFileBlockReadStarted(FIoFileBlockRequest& FileBlockRequest) { };
    void OnFileBlockReadCompleted(FIoFileBlockRequest& FileBlockRequest) { };
    void OnFileBlockCompleted(FIoFileBlockRequest& FileBlockRequest) { }
    void OnFileBlockMemoryAllocated(uint32 Size) { };
    void OnFileBlockMemoryFreed(uint32 Size) { };
    void OnFileBlockCacheHit(uint64 Size) { }
    void OnFileBlockCacheMiss(uint64 Size) { }
    void OnFileBlockCacheStore(uint64 Size) { }
    void OnDecodeRequestEnqueued(FIoEncodedBlockRequest& EncodedBlockRequest) { }
    void OnDecodeRequestCompleted(FIoEncodedBlockRequest& EncodedBlockRequest) { }
    void OnBytesScattered(int64 BytesScattered) { }
};
#endif
 
} // namespace UE