cet::cpu_timer Class Reference

#include <cpu_timer.h>

Public Member Functions
	cpu_timer ()=default
	cpu_timer (cpu_timer &&)=default
cpu_timer &	operator= (cpu_timer &&)=default
	cpu_timer (cpu_timer const &)=delete
cpu_timer &	operator= (cpu_timer const &)=delete
bool	is_running () const
bool	is_stopped () const
double	elapsed_real_time () const
double	elapsed_cpu_time () const
double	accumulated_real_time () const
double	accumulated_cpu_time () const
double	realTime () const
double	cpuTime () const
void	start ()
void	stop ()
void	reset ()

Private Attributes
bool	is_running_ {false}
timeval	start_real_time_ {0, 0}
timeval	start_cpu_time_ {0, 0}
double	accumulated_real_time_ {}
double	accumulated_cpu_time_ {}

Detailed Description

Definition at line 18 of file cpu_timer.h.

Constructor & Destructor Documentation

cet::cpu_timer::cpu_timer ( )

default

cet::cpu_timer::cpu_timer ( cpu_timer &&  )

default

cet::cpu_timer::cpu_timer ( cpu_timer const &  )

delete

Member Function Documentation

double cpu_timer::accumulated_cpu_time

(

)

const

Definition at line 73 of file cpu_timer.cc.

{
  return is_stopped() ? accumulated_cpu_time_ :
                        accumulated_cpu_time_ + elapsed_cpu_time();
}

double cpu_timer::accumulated_real_time

(

)

const

Definition at line 66 of file cpu_timer.cc.

{
  return is_stopped() ? accumulated_real_time_ :
                        accumulated_real_time_ + elapsed_real_time();
}

double cet::cpu_timer::cpuTime ( ) const

inline

Definition at line 44 of file cpu_timer.h.

  {
    return accumulated_cpu_time();
  }

double cpu_timer::elapsed_cpu_time

(

)

const

Definition at line 60 of file cpu_timer.cc.

{
  return cpu_now() - start_cpu_time_;
}

double cpu_timer::elapsed_real_time

(

)

const

Definition at line 54 of file cpu_timer.cc.

{
  return real_now() - start_real_time_;
}

bool cet::cpu_timer::is_running ( ) const

inline

Definition at line 67 of file cpu_timer.h.

{
  return is_running_;
}

bool cet::cpu_timer::is_stopped ( ) const

inline

Definition at line 73 of file cpu_timer.h.

{
  return !is_running();
}

cpu_timer& cet::cpu_timer::operator= ( cpu_timer &&  )

default

cpu_timer& cet::cpu_timer::operator= ( cpu_timer const &  )

delete

double cet::cpu_timer::realTime ( ) const

inline

Definition at line 39 of file cpu_timer.h.

  {
    return accumulated_real_time();
  }

void cpu_timer::reset

(

)

Definition at line 103 of file cpu_timer.cc.

{
  accumulated_real_time_ = 0.0;
  accumulated_cpu_time_ = 0.0;
}

void cpu_timer::start

(

)

Definition at line 83 of file cpu_timer.cc.

{
  if (!is_stopped())
    return;
  start_real_time_ = real_now();
  start_cpu_time_ = cpu_now();
  is_running_ = true;
}

void cpu_timer::stop

(

)

Definition at line 93 of file cpu_timer.cc.

{
  if (!is_running())
    return;
  accumulated_real_time_ += elapsed_real_time();
  accumulated_cpu_time_ += elapsed_cpu_time();
  is_running_ = false;
}

Member Data Documentation

double cet::cpu_timer::accumulated_cpu_time_ {}

private

Definition at line 60 of file cpu_timer.h.

double cet::cpu_timer::accumulated_real_time_ {}

private

Definition at line 59 of file cpu_timer.h.

bool cet::cpu_timer::is_running_ {false}

private

Definition at line 56 of file cpu_timer.h.

timeval cet::cpu_timer::start_cpu_time_ {0, 0}

private

Definition at line 58 of file cpu_timer.h.

timeval cet::cpu_timer::start_real_time_ {0, 0}

private

Definition at line 57 of file cpu_timer.h.

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

• cetlib/cetlib/cpu_timer.h
• cetlib/cetlib/cpu_timer.cc