#include <PerfStats.h>
Public Member Functions | |
| ~PerfStats () | |
| Destructor, sometimes called by PROOF. | |
| void | start (bool clear=true) |
| Start the statistics collection. | |
| void | stop () |
| Stop the statistics collection. | |
Functions inherited from TVirtualPerfStats: | |
| virtual void | SimpleEvent (EEventType type) |
| Generic function called when a specified event happens. | |
| 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) |
| PROOF specific function, not implemented here. | |
| virtual void | FileEvent (const char *slave, const char *slavename, const char *nodename, const char *filename,::Bool_t isStart) |
| PROOF specific function, not implemented here. | |
| virtual void | FileOpenEvent (::TFile *file, const char *filename,::Double_t start) |
| Function called by PROOF when a file is opened. | |
| virtual void | FileReadEvent (::TFile *file,::Int_t len,::Double_t start) |
| Function called in general when a file reading operation happens. | |
| virtual void | UnzipEvent (::TObject *tree,::Long64_t pos,::Double_t start,::Int_t complen,::Int_t objlen) |
| Function called in general when a file unzipping operation happens. | |
| virtual void | RateEvent (::Double_t proctime,::Double_t deltatime,::Long64_t eventsprocessed,::Long64_t bytesRead) |
| PROOF specific function, not implemented here. | |
| virtual void | SetBytesRead (::Long64_t num) |
| Function used by PROOF to set the read bytes correctly on the master. | |
| virtual ::Long64_t | GetBytesRead () const |
| Function used by PROOF to set the read bytes correctly on the master. | |
| virtual void | SetNumEvents (::Long64_t num) |
| Function used by PROOF to set the number of processed events correctly. | |
| virtual ::Long64_t | GetNumEvents () const |
| Function used by PROOF to set the number of processed events correctly. | |
Static Public Member Functions | |
| static PerfStats & | instance () |
| Function accessing the singleton instance. | |
Protected Member Functions | |
| PerfStats () | |
| The constructor is protected, as it's a singleton. | |
Class for collecting information about the xAOD file access pattern
This class is used for collecting the basic information about the file access during an xAOD analysis. It was first developed for the D3PDReader code, and was later adopted to be used with xAOD files.
1.6.1
