SysInfo.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2018.
//
// This software is released under a three-clause BSD license:
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// $Maintainer: Chris Bielow $
// $Authors: Chris Bielow $
// --------------------------------------------------------------------------

#pragma once

#include <OpenMS/config.h>
#include <OpenMS/DATASTRUCTURES/String.h>

namespace OpenMS
{

  class OPENMS_DLLAPI SysInfo
  {
    public:
      static bool getProcessMemoryConsumption(size_t& mem_virtual);
  
      static bool getProcessPeakMemoryConsumption(size_t& mem_virtual);

      struct OPENMS_DLLAPI MemUsage
      {
        size_t mem_before, mem_before_peak, mem_after, mem_after_peak;

        MemUsage();

        void reset();
        void before();
        void after();
        String delta(const String& event = "delta");

        String usage();

      private:
        // convert difference to string
        String diff_str_(size_t mem_before, size_t mem_after);

      };
  };
}