/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/xAODCore/xAODCore/tools/PerfStats.h

// Dear emacs, this is -*- c++ -*-
// $Id: PerfStats.h 634033 2014-12-05 14:46:38Z krasznaa $
#ifndef XAODCORE_TOOLS_PERFSTATS_H
#define XAODCORE_TOOLS_PERFSTATS_H

// ROOT include(s):
#include <TVirtualPerfStats.h>

// Forward declaration(s):
class TTree;

namespace xAOD {

   class PerfStats : public ::TVirtualPerfStats {

   public:
      ~PerfStats();

      static PerfStats& instance();

      void start( bool clear = true );
      void stop();


      virtual void SimpleEvent( EEventType type );
      virtual void PacketEvent( const char *slave, const char *slavename,
                                const char *filename,
                                ::Long64_t eventsprocessed,
                                ::Double_t latency, ::Double_t proctime,
                                ::Double_t cputime, ::Long64_t bytesRead );
      virtual void FileEvent( const char *slave, const char *slavename,
                              const char *nodename, const char *filename,
                              ::Bool_t isStart );
      virtual void FileOpenEvent( ::TFile *file, const char *filename,
                                  ::Double_t start );
      virtual void FileReadEvent( ::TFile *file, ::Int_t len,
                                  ::Double_t start );

#ifndef __CINT__
#if ROOT_VERSION_CODE < ROOT_VERSION( 5, 34, 19 )
      virtual void FileUnzipEvent( ::TFile *file, ::Long64_t pos,
                                   ::Double_t start, ::Int_t complen,
                                   ::Int_t objlen );
#else
      virtual void UnzipEvent( ::TObject *tree, ::Long64_t pos,
                               ::Double_t start, ::Int_t complen,
                               ::Int_t objlen );
#endif // ROOT_VERSION
#endif // not __CINT__

      virtual void RateEvent( ::Double_t proctime, ::Double_t deltatime,
                              ::Long64_t eventsprocessed,
                              ::Long64_t bytesRead );
      virtual void SetBytesRead( ::Long64_t num );
      virtual ::Long64_t GetBytesRead() const;
      virtual void SetNumEvents( ::Long64_t num );
      virtual ::Long64_t GetNumEvents() const;


   protected:
      PerfStats();

   private:
      static PerfStats* m_instance;

      ::TVirtualPerfStats* m_otherPerfStats;

      bool m_running;
      ::Double_t m_startTime;

      ::TTree* m_tree;
      ::TFile* m_file;

      bool m_treeWarningPrinted;

      ClassDef( xAOD::PerfStats, 0 )

   }; // class PerfStats

} // namespace xAOD

#endif // XAODCORE_TOOLS_PERFSTATS_H

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