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 2002-2020.
//
// This software is released under a three-clause BSD license:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
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//    may be used to endorse or promote products derived from this software
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// For a full list of authors, refer to the file AUTHORS.
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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);
 
      };
  };
}