Common.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef DETECTORS_HMPID_BASE_INCLUDE_HMPIDBASE_COMMON_H_
#define DETECTORS_HMPID_BASE_INCLUDE_HMPIDBASE_COMMON_H_
 
#include <TStopwatch.h>
#include "Framework/Logger.h"
 
namespace o2
{
namespace hmpid
{
 
// ------- Execution time functions -------
 
class ExecutionTimer
{
 private:
  TStopwatch mTimer;
  Double_t mStartTime;
  Double_t mLastLogTime;
  Double_t mElapseLogTime;
 
 public:
  ExecutionTimer()
  {
    mStartTime = 0;
    mLastLogTime = 0;
    mElapseLogTime = 10; // default 10 seconds
  };
 
  ~ExecutionTimer() = default;
 
  Double_t getElapseLogTime() { return mElapseLogTime; };
 
  void setElapseLogTime(Double_t interval)
  {
    mElapseLogTime = interval;
    return;
  };
 
  void start()
  {
    mStartTime = mTimer.CpuTime();
    mLastLogTime = mStartTime;
    mTimer.Start(false);
    return;
  };
 
  void stop()
  {
    mTimer.Stop();
    return;
  };
 
  void logMes(std::string const message)
  {
    LOG(info) << message << " Execution time = " << (mTimer.CpuTime() - mStartTime);
    mTimer.Continue();
    return;
  };
 
  void elapseMes(std::string const message)
  {
    if (mTimer.CpuTime() - mLastLogTime > mElapseLogTime) {
      LOG(info) << message << " Execution time = " << (mTimer.CpuTime() - mStartTime);
      mLastLogTime = mTimer.CpuTime();
    }
    mTimer.Continue();
    return;
  };
};
 
} // namespace hmpid
} // namespace o2
 
#endif /* DETECTORS_HMPID_BASE_INCLUDE_HMPIDBASE_COMMON_H_ */