FEventGraphData::FEventGraphData( const FProfilerSession * const InProfilerSession, const uint32 InFrameIndex )
: FrameStartIndex( InFrameIndex )
, FrameEndIndex( InFrameIndex+1 )
{
static FTotalTimeAndCount Current(0.0f, 0);
PROFILER_SCOPE_LOG_TIME( TEXT( "FEventGraphData::FEventGraphData" ), &Current );
Description = FString::Printf( TEXT("%s: %i"), *InProfilerSession->GetShortName(), InFrameIndex );
// @TODO: Duplicate is not needed, remove it later.
const IDataProviderRef& SessionDataProvider = InProfilerSession->GetDataProvider();
const IDataProviderRef DataProvider = SessionDataProvider->Duplicate<FArrayDataProvider>( FrameStartIndex );
const double FrameDurationMS = DataProvider->GetFrameTimeMS( 0 );
const FProfilerSample& RootProfilerSample = DataProvider->GetCollection()[0];
RootEvent = FEventGraphSample::CreateNamedEvent( FEventGraphConsts::RootEvent );
PopulateHierarchy_Recurrent( InProfilerSession, RootEvent, RootProfilerSample, DataProvider );
// Root sample contains FrameDurationMS
const FProfilerStatMetaDataRef& MetaData = InProfilerSession->GetMetaData();
RootEvent->_InclusiveTimeMS = MetaData->ConvertCyclesToMS( RootProfilerSample.GetDurationCycles() );
RootEvent->_MaxInclusiveTimeMS = RootEvent->_MinInclusiveTimeMS = RootEvent->_AvgInclusiveTimeMS = RootEvent->_InclusiveTimeMS;
RootEvent->_InclusiveTimePct = 100.0f;
RootEvent->_MinNumCallsPerFrame = RootEvent->_MaxNumCallsPerFrame = RootEvent->_AvgNumCallsPerFrame = RootEvent->_NumCallsPerFrame;
// Set root and thread event.
RootEvent->SetRootAndThreadForAllChildren();
// Fix all children.
const double MyNumFrames = 1.0;
RootEvent->FixChildrenTimesAndCalcAveragesForAllChildren( MyNumFrames );
}
void FEventGraphData::Finalize( const uint32 InFrameStartIndex, const uint32 InFrameEndIndex )
{
FrameStartIndex = InFrameStartIndex;
FrameEndIndex = InFrameEndIndex;
const double NumFrames = (double)GetNumFrames();
// Set root and thread event.
RootEvent->SetRootAndThreadForAllChildren();
// Fix all children.
RootEvent->FixChildrenTimesAndCalcAveragesForAllChildren( NumFrames );
}