MemoryLogger.cxx

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/* Copyright (C) 2024 FIAS Frankfurt Institute for Advanced Studies, Frankfurt / Main
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Felix Weiglhofer [committer] */
 
#include "MemoryLogger.h"
 
#include "AlgoFairloggerCompat.h"
#include "System.h"
 
using namespace cbm::algo;
 
template<typename T>
T MemoryLogger::BytesToMB(T bytes) const
{
  return bytes / (1024 * 1024);
}
 
void MemoryLogger::Log()
{
  size_t currentRSS = GetCurrentRSS();
  size_t peakRSS    = GetPeakRSS();
 
  ptrdiff_t deltaRSS = currentRSS - mLastRSS;
  float deltaPercent = 100.0f * deltaRSS / currentRSS;
 
  L_(debug) << "Current memory usage: " << BytesToMB(currentRSS) << "MB (delta  " << BytesToMB(deltaRSS) << "MB / "
            << deltaPercent << "%)"
            << ", peak: " << BytesToMB(peakRSS) << "MB";
 
  mLastRSS = currentRSS;
}