MemoryLogger.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
// MemoryLogger.h, (c) ATLAS Detector software
 
#ifndef TRKDETDESCRUTILS_MEMORYLOGGER_H
#define TRKDETDESCRUTILS_MEMORYLOGGER_H
 
#include <atomic>
#include <iostream>
// Gaudi
#include "GaudiKernel/MsgStream.h"
 
namespace Trk {
 
class MemoryLogger
{
 
public:
  MemoryLogger();
  void refresh(int pid) const;
 
  float vmSize() const;
  float vmRss() const;
 
private:
  mutable std::atomic<float> m_vsize; 
  mutable std::atomic<float> m_rss;   
};
 
inline float
MemoryLogger::vmSize() const
{
  return m_vsize;
}
 
inline float
MemoryLogger::vmRss() const
{
  return m_rss;
}
 
MsgStream&
operator<<(MsgStream& sl, const MemoryLogger& oac);
std::ostream&
operator<<(std::ostream& sl, const MemoryLogger& oac);
 
} // end of namespace Trk
 
#endif