Profiler.cxx

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// $Id: Profiler.cxx 4110 2018-10-02 07:23:43Z linev $
 
/************************************************************
 * The Data Acquisition Backbone Core (DABC)                *
 ************************************************************
 * Copyright (C) 2009 -                                     *
 * GSI Helmholtzzentrum fuer Schwerionenforschung GmbH      *
 * Planckstr. 1, 64291 Darmstadt, Germany                   *
 * Contact:  http://dabc.gsi.de                             *
 ************************************************************
 * This software can be used under the GPL license          *
 * agreements as stated in LICENSE.txt file                 *
 * which is part of the distribution.                       *
 ************************************************************/
 
#include "dabc/Profiler.h"
 
void dabc::Profiler::MakeStatistic()
{
 
   clock_t now = GetClock();
 
   clock_t diff = fLast ? now - fLast : 0;
 
   if (diff) {
      for (auto &&entry : fEntries) {
         entry.fRatio = 1.*entry.fSum/diff;
         entry.fSum = 0;
      }
   }
 
   fLast = now;
}
 
 
std::string dabc::Profiler::Format()
{
   std::string res;
 
   double total{0.};
   int cnt{0};
 
   for (auto &&entry : fEntries) {
      if (entry.fRatio > 0) {
         if (!res.empty()) res.append(" ");
         total += entry.fRatio;
         if (entry.fName.empty())
            res.append(std::to_string(cnt));
         else
            res.append(entry.fName);
         res.append(":");
         res.append(std::to_string((int)(entry.fRatio*1000)));
      }
      cnt++;
   }
 
   if (total){
      res.append(" total:");
      res.append(std::to_string((int)(total*1000)));
   }
 
   return res;
}