Fixing buffer size requirements and reseting histograms after publishing them.

[u/mrichter/AliRoot.git] / HLT / MUON / utils / AliHLTMUONRawDataHistoComponent.cxx

diff --git a/HLT/MUON/utils/AliHLTMUONRawDataHistoComponent.cxx b/HLT/MUON/utils/AliHLTMUONRawDataHistoComponent.cxx
index 9485c2d7d5bbe27e83a9754d5b7a0dd462eb0327..186808bc16402590bae2f529f62e048d3f08337f 100644 (file)
--- a/HLT/MUON/utils/AliHLTMUONRawDataHistoComponent.cxx
+++ b/HLT/MUON/utils/AliHLTMUONRawDataHistoComponent.cxx
@@ -118,7 +118,7 @@ void AliHLTMUONRawDataHistoComponent::GetOutputDataSize(
 {
        /// Inherited from AliHLTComponent. Returns an estimate of the expected output data size.
        
-       constBase = sizeof(TH1D) * 1024*1024;
+       constBase = (sizeof(TH1D)+50*sizeof(double))*22 + (sizeof(TH1D)+1024*4*sizeof(double))*20*2;
        inputMultiplier = 0;
 }
 
@@ -332,6 +332,8 @@ int AliHLTMUONRawDataHistoComponent::DoEvent(
                                AliHLTMUONConstants::HistogramDataType(),
                                AliHLTMUONUtils::DDLNumberToSpec(i)
                        );
+                       // clear histogram when published.
+                       fErrorHist[i]->Reset("M");
                }
                for (int i = 0; i < 20; i++)
                {
@@ -339,10 +341,12 @@ int AliHLTMUONRawDataHistoComponent::DoEvent(
                        if (not (fSuppressEmptyHists and fManuHist[i]->GetEntries() == 0))
                        {
                                PushBack(fManuHist[i], AliHLTMUONConstants::HistogramDataType(), spec);
+                               fManuHist[i]->Reset("M");
                        }
                        if (not (fSuppressEmptyHists and fSignalHist[i]->GetEntries() == 0))
                        {
                                PushBack(fSignalHist[i], AliHLTMUONConstants::HistogramDataType(), spec);
+                               fSignalHist[i]->Reset("M");
                        }
                }
                fLastPublishTime = fCurrentEventTime;