void FStatsMallocProfilerProxy::TrackRealloc( void* OldPtr, void* NewPtr, int64 NewSize, int32 SequenceTag )
{
if (bEnabled)
{
if (OldPtr != nullptr && NewSize > 0)
{
FThreadStats* ThreadStats = FThreadStats::GetThreadStats();
if (ThreadStats->MemoryMessageScope == 0)
{
// 64 bytes per reallocation. 80 for Free/Alloc
ThreadStats->AddMemoryMessage( GET_STATFNAME( STAT_Memory_FreePtr ), (uint64)(UPTRINT)OldPtr | (uint64)EMemoryOperation::Realloc );
ThreadStats->AddMemoryMessage( GET_STATFNAME( STAT_Memory_AllocPtr ), (uint64)(UPTRINT)NewPtr | (uint64)EMemoryOperation::Realloc );
ThreadStats->AddMemoryMessage( GET_STATFNAME( STAT_Memory_AllocSize ), NewSize );
ThreadStats->AddMemoryMessage( GET_STATFNAME( STAT_Memory_OperationSequenceTag ), (int64)SequenceTag );
ReallocPtrCalls.Increment();
}
}
else if (OldPtr == nullptr)
{
#if !PLATFORM_XBOXONE
TrackAlloc( NewPtr, NewSize, SequenceTag );
#endif
}
else
{
TrackFree( OldPtr, SequenceTag );
}
}
}
void* FStatsMallocProfilerProxy::Malloc( SIZE_T Size, uint32 Alignment )
{
void* Ptr = UsedMalloc->Malloc( Size, Alignment );
const int32 SequenceTag = MemorySequenceTag.Increment();
// We lose the Size's precision, but don't worry about it.
TrackAlloc( Ptr, (int64)Size, SequenceTag );
return Ptr;
}
void* FStatsMallocProfilerProxy::Realloc( void* OldPtr, SIZE_T NewSize, uint32 Alignment )
{
const int32 FreeSequenceTag = MemorySequenceTag.Increment();
TrackFree( OldPtr, FreeSequenceTag );
const int32 AllocSequenceTag = MemorySequenceTag.Increment();
void* NewPtr = UsedMalloc->Realloc( OldPtr, NewSize, Alignment );
TrackAlloc( NewPtr, (int64)NewSize, AllocSequenceTag );
return NewPtr;
}