LWHistStats.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
 
//                                                            //
//  Implementation of class LWHistStats                       //
//                                                            //
//  Author: Thomas H. Kittelmann (Thomas.Kittelmann@cern.ch)  //
//  Initial version: October 2009                             //
//                                                            //
 
#include "LWHists/LWHistStats.h"
#include "LWPools.h"
 
std::atomic<long> LWHistStats::s_nActiveHists = 0;
 
//____________________________________________________________________
long long LWHistStats::getTotalPoolMemAllocated()
{
  return LWPools::getTotalPoolMemAllocated();
}
 
//____________________________________________________________________
long long LWHistStats::getTotalPoolMemUsed()
{
  return LWPools::getTotalPoolMemUsed();
}
 
//____________________________________________________________________
long long LWHistStats::getMemUnusedButAllocatedInPools()
{
  return getTotalPoolMemAllocated()-getTotalPoolMemUsed();
}
 
//____________________________________________________________________
double LWHistStats::poolWasteFraction()
{
  long long l(getTotalPoolMemAllocated());
  return l ? 1.0-getTotalPoolMemUsed()*1.0/l : 0;
}