QModuleTimeProfiling.cc

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#include "QModuleTimeProfiling.hh"
 
#include <ctime>
#include <sstream>
#include <TString.h>
 
QModuleTimeProfiling::QModuleTimeProfiling()
  : fTimeProfilingOn(false),
    fProcessCalls(0),
    fProcessTime(0),
    fTimerStartTime(0)
{}
 
void QModuleTimeProfiling::ResetTimer() { 
  fTimerStartTime = clock(); 
}
    
double QModuleTimeProfiling::GetTimer() const { 
  return ((double)((clock_t)(clock() - fTimerStartTime)))/CLOCKS_PER_SEC; 
}
 
void QModuleTimeProfiling::StartProcessCall() { 
  ResetTimer(); 
}
 
void QModuleTimeProfiling::EndProcessCall() { 
  fProcessTime += GetTimer(); 
  fProcessCalls++; 
}
  
double QModuleTimeProfiling::GetProcessCallTime() const { 
  return fProcessCalls ? fProcessTime/fProcessCalls : 0; 
}
 
std::string QModuleTimeProfiling::GetTimeProfileReport(const std::string &prefix) const {
  std::stringstream msg;
  if(prefix != "")
    msg << prefix << ": ";
  msg << Form("Avg load per event: %.0f mus (calls: %llu)",1e6*GetProcessCallTime(),GetProcessCalls());
  return msg.str();
}