AthMonBench Class Reference

#include <AthMonBench.h>

Collaboration diagram for AthMonBench:

Public Member Functions
	AthMonBench ()=default
	~AthMonBench ()=default
void	reset ()
bool	isReset () const
void	setUnitCount ()
void	startMeasurement ()
void	finishMeasurement ()
void	operator-= (const AthMonBench &o)
void	operator+= (const AthMonBench &o)
double	deltaMem_mb () const
double	deltaCPU_ms () const
bool	valid () const

Static Public Attributes
static const MSG::Level	s_resourceMonThreshold = MSG::DEBUG

Private Types
typedef long long	TMem

Static Private Member Functions
static TMem	currentVMem ()

Private Attributes
TMem	m_deltaMem {}
clock_t	m_deltaCPU {}
int	m_count {}

Detailed Description

Definition at line 25 of file AthMonBench.h.

Member Typedef Documentation

TMem

typedef long long AthMonBench::TMem

private

Definition at line 52 of file AthMonBench.h.

Constructor & Destructor Documentation

AthMonBench()

AthMonBench::AthMonBench ( )

default

~AthMonBench()

AthMonBench::~AthMonBench ( )

default

Member Function Documentation

currentVMem()

AthMonBench::TMem AthMonBench::currentVMem ( )

staticprivate

Definition at line 22 of file AthMonBench.cxx.

                        {
  long result = -1;
  std::ifstream file("/proc/self/status");
  const std::string search{"VmSize:"};
  std::string line;
  while(getline(file, line)) { 
    if (line.starts_with(search)) {
      result = std::stol(line.substr(search.size()));
      result = multiply<1024L>(result);
      break;
    }
  }
  return result;
}

deltaCPU_ms()

double AthMonBench::deltaCPU_ms ( ) const

inline

Definition at line 109 of file AthMonBench.h.

{ return valid()?m_deltaCPU*1.0e3/double(m_count*CLOCKS_PER_SEC) : -99.99; }

deltaMem_mb()

double AthMonBench::deltaMem_mb ( ) const

inline

Definition at line 108 of file AthMonBench.h.

{ return valid()?m_deltaMem/(1024.0*1024.0*m_count): -99.99; }

finishMeasurement()

void AthMonBench::finishMeasurement ( )

inline

Definition at line 83 of file AthMonBench.h.

                                           {
  m_deltaMem = currentVMem() - m_deltaMem;
  m_deltaCPU = clock() - m_deltaCPU;
  ++m_count;
  if (m_count!=1) {
    //Something is wrong:
    reset();
    m_count = -99999;
  }
}

isReset()

bool AthMonBench::isReset ( ) const

inline

Definition at line 71 of file AthMonBench.h.

                                       {
  return !(m_deltaMem||m_deltaCPU||m_count);
}

operator+=()

void AthMonBench::operator+= ( const AthMonBench &  o )

inline

Definition at line 101 of file AthMonBench.h.

                                                        {
  m_deltaMem += o.m_deltaMem;
  m_deltaCPU += o.m_deltaCPU;
  m_count += o.m_count;
}

operator-=()

void AthMonBench::operator-= ( const AthMonBench &  o )

inline

Definition at line 95 of file AthMonBench.h.

                                                        {
  m_deltaMem -= o.m_deltaMem;
  m_deltaCPU -= o.m_deltaCPU;
  m_count -= o.m_count;
}

reset()

void AthMonBench::reset ( )

inline

Definition at line 65 of file AthMonBench.h.

                              {
  m_deltaMem = 0;
  m_deltaCPU = 0;
  m_count = 0;
}

setUnitCount()

void AthMonBench::setUnitCount ( )

inline

Definition at line 111 of file AthMonBench.h.

{ if (valid()) m_count=1; }

startMeasurement()

void AthMonBench::startMeasurement ( )

inline

Definition at line 76 of file AthMonBench.h.

                                          {
  if (!isReset())
    m_count = -99999;
  m_deltaMem = currentVMem();
  m_deltaCPU = clock();
}

valid()

bool AthMonBench::valid ( ) const

inline

Definition at line 110 of file AthMonBench.h.

{ return m_count>0; }

Member Data Documentation

m_count

int AthMonBench::m_count {}

private

Definition at line 55 of file AthMonBench.h.

m_deltaCPU

clock_t AthMonBench::m_deltaCPU {}

private

Definition at line 54 of file AthMonBench.h.

m_deltaMem

TMem AthMonBench::m_deltaMem {}

private

Definition at line 53 of file AthMonBench.h.

s_resourceMonThreshold

const MSG::Level AthMonBench::s_resourceMonThreshold = MSG::DEBUG

static

Definition at line 28 of file AthMonBench.h.

---

The documentation for this class was generated from the following files:

• AthMonBench.h
• AthMonBench.cxx