library: libProof
#include "TPerfStats.h"

TPerfStats

class description - header file - source file - inheritance tree (.pdf)

class TPerfStats : public TVirtualPerfStats

Inheritance Chart:

TObject

TVirtualPerfStats

TPerfStats

    private:

                 TPerfStats(TList* input, TList* output)

    public:

                       TPerfStats(const TPerfStats&)
               virtual ~TPerfStats()
        static TClass* Class()
          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 proctime)
          virtual void FileReadEvent(TFile* file, Int_t len, Double_t proctime)
      virtual Long64_t GetBytesRead() const
       virtual TClass* IsA() const
           TPerfStats& operator=(const TPerfStats&)
          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 SetBytesRead(Long64_t num)
           static void Setup(TList* input)
          virtual void ShowMembers(TMemberInspector& insp, char* parent)
          virtual void SimpleEvent(TVirtualPerfStats::EEventType type)
           static void Start(TList* input, TList* output)
           static void Stop()
          virtual void Streamer(TBuffer& b)
                  void StreamerNVirtual(TBuffer& b)

Data Members

    private:

           TTree* fTrace         !TTree with trace events
       TTimeStamp fTzero         !start time of this run
      TPerfEvent* fPerfEvent     !TPerfEvent used to fill tree
            TH1D* fPacketsHist   !histogram of packets processed per slave
            TH1D* fEventsHist    !histogram of events processed per slave
            TH1D* fNodeHist      !histogram of slaves per file serving node
            TH2D* fLatencyHist   !histogram of latency due to packet requests
            TH2D* fProcTimeHist  !histogram of real time spent processing packets
            TH2D* fCpuTimeHist   !histogram of cpu time spent processing packets
         Long64_t fBytesRead     !track bytes read of main file

Class Description

                                                                      
 TPerfStats                                                           
                                                                      
 Provides the interface for the PROOF internal performance measurment 
 and event tracing.

TPerfStats(TList *input, TList *output)

 Normal Constructor.

void SimpleEvent(EEventType type)

 Simple event

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)

 Packet event

void FileEvent(const char *slave, const char *slavename, const char *nodename, const char *filename, Bool_t isStart)

 File event

void FileOpenEvent(TFile *file, const char *filename, Double_t proctime)

 Open file event

void FileReadEvent(TFile *file, Int_t len, Double_t proctime)

 Read file event

void SetBytesRead(Long64_t num)

 Set number of bytes read

Long64_t GetBytesRead()

 Get number of bytes read

void Setup(TList *input)

 Setup the PROOF input list with requested statistics and tracing options.

void Start(TList *input, TList *output)

 Initialize PROOF statistics run.

void Stop()

 Terminate the PROOF statistics run.

TPerfStats(TList *input, TList *output)

virtual ~TPerfStats()

Author: Kristjan Gulbrandsen 11/05/04
Last update: root/proof:$Name: $:$Id: TPerfStats.cxx,v 1.8 2006/06/01 16:26:57 rdm Exp $
Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *

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