int32 FServiceConnection::FindOrAddThread(const FStatNameAndInfo& Thread)
{
SCOPE_CYCLE_COUNTER(STAT_PC_FindOrAddThread);
const FName LongName = Thread.GetRawName();
int32* const ThreadIDPtr = ThreadNameArray.Find( LongName );
int32 ThreadID = ThreadIDPtr != nullptr ? *ThreadIDPtr : -1;
if (!ThreadIDPtr)
{
// meta data has been updated
CurrentData.MetaDataUpdated = true;
// get the thread description
FString Desc;
Thread.GetDescription(Desc);
// Extract out the thread id and add to the descriptions
FString ID = Desc.Replace(TEXT("Thread_"), TEXT(""));
ID = ID.Replace(TEXT("_0"), TEXT(""));
ThreadID = FParse::HexNumber(*ID);
ThreadNameArray.Add(LongName, ThreadID);
// add to the meta data
FScopeLock ScopeLock(&CriticalSection);
MetaData.ThreadDescriptions.Add(ThreadID, Thread.GetShortName().ToString());
}
return ThreadID;
}
void FStats::AdvanceFrame( bool bDiscardCallstack, const FOnAdvanceRenderingThreadStats& AdvanceRenderingThreadStatsDelegate /*= FOnAdvanceRenderingThreadStats()*/ )
{
#if STATS
check( IsInGameThread() );
static int32 MasterDisableChangeTagStartFrame = -1;
FPlatformAtomics::InterlockedIncrement(&GameThreadStatsFrame);
int64 Frame = GameThreadStatsFrame;
if( bDiscardCallstack )
{
FThreadStats::FrameDataIsIncomplete(); // we won't collect call stack stats this frame
}
if( MasterDisableChangeTagStartFrame == -1 )
{
MasterDisableChangeTagStartFrame = FThreadStats::MasterDisableChangeTag();
}
if( !FThreadStats::IsCollectingData() || MasterDisableChangeTagStartFrame != FThreadStats::MasterDisableChangeTag() )
{
Frame = -GameThreadStatsFrame; // mark this as a bad frame
}
// Update the seconds per cycle.
SET_FLOAT_STAT( STAT_SecondsPerCycle, FPlatformTime::GetSecondsPerCycle() );
static FStatNameAndInfo Adv( NAME_AdvanceFrame, "", "", TEXT( "" ), EStatDataType::ST_int64, true, false );
FThreadStats::AddMessage( Adv.GetEncodedName(), EStatOperation::AdvanceFrameEventGameThread, Frame ); // we need to flush here if we aren't collecting stats to make sure the meta data is up to date
if( FPlatformProperties::IsServerOnly() )
{
FThreadStats::AddMessage( Adv.GetEncodedName(), EStatOperation::AdvanceFrameEventRenderThread, Frame ); // we need to flush here if we aren't collecting stats to make sure the meta data is up to date
}
if( AdvanceRenderingThreadStatsDelegate.IsBound() )
{
AdvanceRenderingThreadStatsDelegate.Execute( bDiscardCallstack, GameThreadStatsFrame, MasterDisableChangeTagStartFrame );
}
else
{
// There is no rendering thread, so this message is sufficient to make stats happy and don't leak memory.
FThreadStats::AddMessage( Adv.GetEncodedName(), EStatOperation::AdvanceFrameEventRenderThread, Frame );
}
FThreadStats::ExplicitFlush( bDiscardCallstack );
FThreadStats::WaitForStats();
MasterDisableChangeTagStartFrame = FThreadStats::MasterDisableChangeTag();
#endif
}
int32 FServiceConnection::FindOrAddThread(const FStatNameAndInfo& Thread)
{
SCOPE_CYCLE_COUNTER(STAT_PC_FindOrAddThread);
// The description of a thread group contains the thread id
const FString Desc = Thread.GetDescription();
const uint32 ThreadID = FStatsUtils::ParseThreadID( Desc );
const FName ShortName = Thread.GetShortName();
// add to the meta data
FScopeLock ScopeLock( &CriticalSection );
const int32 OldNum = MetaData.ThreadDescriptions.Num();
MetaData.ThreadDescriptions.Add( ThreadID, ShortName.ToString() );
const int32 NewNum = MetaData.ThreadDescriptions.Num();
// meta data has been updated
CurrentData.MetaDataUpdated = CurrentData.MetaDataUpdated || OldNum != NewNum;
return ThreadID;
}
void FServiceConnection::Initialize( const FProfilerServiceAuthorize2& Message, const IMessageContextRef& Context )
{
#if STATS
ServiceAddress = Context->GetSender();
InstanceId = Message.InstanceId;
CurrentData.Frame = 0;
// add the supplied meta data
FArrayReader ArrayReader(true);
ArrayReader.Append(Message.Data);
MetaData.CriticalSection = &CriticalSection;
int64 Size = ArrayReader.TotalSize();
// read in the magic, at some point may need to know what it actually is
uint32 Magic = 0;
ArrayReader << Magic;
// read in the data
TArray<FStatMessage> StatMessages;
{
SCOPE_CYCLE_COUNTER(STAT_PC_ReadStatMessages);
while(ArrayReader.Tell() < Size)
{
// read the message
new (StatMessages) FStatMessage(Stream.ReadMessage(ArrayReader));
}
static FStatNameAndInfo Adv(NAME_AdvanceFrame, "", TEXT(""), EStatDataType::ST_int64, true, false);
new (StatMessages) FStatMessage(Adv.GetEncodedName(), EStatOperation::AdvanceFrameEventGameThread, 1LL, false);
}
// generate a thread state from the data
{
SCOPE_CYCLE_COUNTER(STAT_PC_AddStatMessages);
CurrentThreadState.AddMessages(StatMessages);
}
UpdateMetaData();
#endif
}
int32 FServiceConnection::FindOrAddStat( const FStatNameAndInfo& StatNameAndInfo, uint32 StatType)
{
SCOPE_CYCLE_COUNTER(STAT_PC_FindOrAddStat);
const FName LongName = StatNameAndInfo.GetRawName();
int32* const StatIDPtr = LongNameToStatID.Find( LongName );
int32 StatID = StatIDPtr != nullptr ? *StatIDPtr : -1;
if (!StatIDPtr)
{
// meta data has been updated
CurrentData.MetaDataUpdated = true;
const FName StatName = StatNameAndInfo.GetShortName();
FName GroupName = StatNameAndInfo.GetGroupName();
const FString Description = StatNameAndInfo.GetDescription();
// do some special stats first
if (StatName == TEXT("STAT_FrameTime"))
{
StatID = LongNameToStatID.Add(LongName, 2);
}
else if (StatName == FStatConstants::NAME_ThreadRoot)
{
StatID = LongNameToStatID.Add(LongName, 1);
GroupName = TEXT( "NoGroup" );
}
else
{
StatID = LongNameToStatID.Add(LongName, LongNameToStatID.Num()+10);
}
check(StatID != -1);
// add a new stat description to the meta data
FStatDescription StatDescription;
StatDescription.ID = StatID;
StatDescription.Name = !Description.IsEmpty() ? Description : StatName.ToString();
if( StatDescription.Name.Contains( TEXT("STAT_") ) )
{
StatDescription.Name = StatDescription.Name.RightChop(FString(TEXT("STAT_")).Len());
}
StatDescription.StatType = StatType;
if( GroupName == NAME_None && Stream.Header.Version == EStatMagicNoHeader::NO_VERSION )
{
// @todo Add more ways to group the stats.
const int32 Thread_Pos = StatDescription.Name.Find( TEXT("Thread_") );
const int32 _0Pos = StatDescription.Name.Find( TEXT("_0") );
const bool bIsThread = Thread_Pos != INDEX_NONE && _0Pos > Thread_Pos;
// Add a special group for all threads.
if( bIsThread )
{
GroupName = TEXT("Threads");
}
// Add a special group for all objects.
else
{
GroupName = TEXT("Objects");
}
}
int32* const GroupIDPtr = GroupNameArray.Find( GroupName );
int32 GroupID = GroupIDPtr != nullptr ? *GroupIDPtr : -1;
if( !GroupIDPtr )
{
// add a new group description to the meta data
GroupID = GroupNameArray.Add(GroupName, GroupNameArray.Num()+10);
check( GroupID != -1 );
FStatGroupDescription GroupDescription;
GroupDescription.ID = GroupID;
GroupDescription.Name = GroupName.ToString();
GroupDescription.Name.RemoveFromStart(TEXT("STATGROUP_"));
// add to the meta data
FScopeLock ScopeLock(&CriticalSection);
MetaData.GroupDescriptions.Add(GroupDescription.ID, GroupDescription);
}
{
StatDescription.GroupID = GroupID;
FScopeLock ScopeLock(&CriticalSection);
MetaData.StatDescriptions.Add(StatDescription.ID, StatDescription);
}
}
// return the stat id
return StatID;
}