#include <perf_log.h>

Public Member Functions
	PerfData ()
void	start ()
void	restart ()
double	pause ()
double	stopit ()
Public Attributes
double	tot_time
double	tot_time_incl_sub
struct timeval	tstart
struct timeval	tstart_incl_sub
unsigned int	count
bool	open
int	called_recursively
Protected Member Functions
double	stop_or_pause (const bool do_stop)

Detailed Description

The PerfData class simply contains the performance data that is recorded for individual events.

Definition at line 45 of file perf_log.h.

Constructor & Destructor Documentation

libMesh::PerfData::PerfData ( ) [inline]

Constructor. Initializes data to be empty.

Definition at line 52 of file perf_log.h.

              :
    tot_time(0.),
    tot_time_incl_sub(0.),
    tstart(),
    tstart_incl_sub(),
    count(0),
    open(false),
    called_recursively(0)
  {}

Member Function Documentation

double libMesh::PerfData::pause ( ) [inline]

Definition at line 326 of file perf_log.h.

References stop_or_pause().

{
  return this->stop_or_pause(false);
}

void libMesh::PerfData::restart ( ) [inline]

Definition at line 318 of file perf_log.h.

References tstart.

{
  gettimeofday (&(this->tstart), NULL);
}

void libMesh::PerfData::start ( ) [inline]

Definition at line 307 of file perf_log.h.

References called_recursively, count, tstart, and tstart_incl_sub.

Referenced by libMesh::PerfLog::push().

{
  this->count++;
  this->called_recursively++;
  gettimeofday (&(this->tstart), NULL);
  this->tstart_incl_sub = this->tstart;
}

double libMesh::PerfData::stop_or_pause ( const bool do_stop ) [inline, protected]

Definition at line 333 of file perf_log.h.

References tot_time, tot_time_incl_sub, tstart, and tstart_incl_sub.

Referenced by pause(), and stopit().

{
  // save the start times, reuse the structure we have rather than create
  // a new one.
  const time_t
    tstart_tv_sec  = this->tstart.tv_sec,
    tstart_tv_usec = this->tstart.tv_usec;

  gettimeofday (&(this->tstart), NULL);

  const double elapsed_time = (static_cast<double>(this->tstart.tv_sec  - tstart_tv_sec) +
                               static_cast<double>(this->tstart.tv_usec - tstart_tv_usec)*1.e-6);

  this->tot_time += elapsed_time;

  if(do_stop)
    {
      const double elapsed_time_incl_sub = (static_cast<double>(this->tstart.tv_sec  - this->tstart_incl_sub.tv_sec) +
                                            static_cast<double>(this->tstart.tv_usec - this->tstart_incl_sub.tv_usec)*1.e-6);

      this->tot_time_incl_sub += elapsed_time_incl_sub;
    }

  return elapsed_time;
}

double libMesh::PerfData::stopit ( ) [inline]

Definition at line 362 of file perf_log.h.

References called_recursively, and stop_or_pause().

{
  // stopit is just similar to pause except that it decrements the
  // recursive call counter

  this->called_recursively--;
  return this->stop_or_pause(true);
}