timer.cc File Reference

#include "kernel/mod2.h"
#include <sys/resource.h>
#include <unistd.h>
#include <stdio.h>
#include <time.h>
#include <sys/time.h>
#include "reporter/reporter.h"
#include "kernel/oswrapper/timer.h"

Go to the source code of this file.

Functions
void	SetTimerResolution (int res)
void	SetMinDisplayTime (double mtime)
int	startTimer ()
long	getTimer ()
void	writeTime (const char *v)
void	startRTimer ()
void	initRTimer ()
int	getRTimer ()
void	writeRTime (const char *v)

Variables
VAR int	timerv = 0
STATIC_VAR double	timer_resolution = TIMER_RESOLUTION
STATIC_VAR double	mintime = 0.5
STATIC_VAR int64	siStartTime
STATIC_VAR struct rusage	t_rec
VAR int	rtimerv = 0
STATIC_VAR struct timeval	startRl
STATIC_VAR struct timeval	siStartRTime
STATIC_VAR struct timezone	tzp

Function Documentation

getRTimer()

int getRTimer

(

)

Definition at line 150 of file timer.cc.

{
  struct timeval now;
 
  gettimeofday(&now, &tzp);
 
  if (startRl.tv_usec > now.tv_usec)
  {
    now.tv_usec += 1000000;
    now.tv_sec --;
  }
 
  double f =((double)  (now.tv_sec - startRl.tv_sec))*timer_resolution +
    ((double) (now.tv_usec - startRl.tv_usec))*timer_resolution /
    (double) 1000000;
 
  return (int)(f+0.5);
}

getTimer()

long getTimer

(

)

Definition at line 80 of file timer.cc.

{
  int64 curr;
  getrusage(RUSAGE_SELF,&t_rec);
  curr = (int64)t_rec.ru_utime.tv_sec*1000000+(int64)t_rec.ru_utime.tv_usec
         +(int64)t_rec.ru_stime.tv_sec*1000000+(int64)t_rec.ru_stime.tv_usec;
  getrusage(RUSAGE_CHILDREN,&t_rec);
  curr += (int64)t_rec.ru_utime.tv_sec*1000000+(int64)t_rec.ru_utime.tv_usec
         +(int64)t_rec.ru_stime.tv_sec*1000000+(int64)t_rec.ru_stime.tv_usec;
  double f =  ((double)curr) * timer_resolution / (double)1000000;
  return (long)(f+0.5);
}

initRTimer()

void initRTimer

(

)

Definition at line 136 of file timer.cc.

{
#ifdef HAVE_GETTIMEOFDAY
  gettimeofday(&startRl, &tzp);
  gettimeofday(&siStartRTime, &tzp);
#else
  memset(&startRl,0,sizeof(startRl));
  memset(&siStartRTime,0,sizeof(siStartRTime));
#endif
}

SetMinDisplayTime()

void SetMinDisplayTime

(

double

mtime

)

Definition at line 27 of file timer.cc.

{
  mintime = mtime;
}

SetTimerResolution()

void SetTimerResolution

(

int

res

)

Definition at line 22 of file timer.cc.

{
  timer_resolution = (double) res;
}

startRTimer()

void startRTimer

(

void

)

Definition at line 131 of file timer.cc.

{
  gettimeofday(&siStartRTime, &tzp);
}

startTimer()

int startTimer

(

void

)

Definition at line 66 of file timer.cc.

{
  getrusage(RUSAGE_SELF,&t_rec);
  siStartTime = (int64)t_rec.ru_utime.tv_sec*1000000+(int64)t_rec.ru_utime.tv_usec
               +(int64)t_rec.ru_stime.tv_sec*1000000+(int64)t_rec.ru_stime.tv_usec;
  getrusage(RUSAGE_CHILDREN,&t_rec);
  siStartTime += (int64)t_rec.ru_utime.tv_sec*1000000+(int64)t_rec.ru_utime.tv_usec
               +(int64)t_rec.ru_stime.tv_sec*1000000+(int64)t_rec.ru_stime.tv_usec;
  return (int)time(NULL);
}

writeRTime()

void writeRTime

(

const char *

v

)

Definition at line 173 of file timer.cc.

{
  struct timeval now;
 
  gettimeofday(&now, &tzp);
 
  if (siStartRTime.tv_usec > now.tv_usec)
  {
    now.tv_usec += 1000000;
    now.tv_sec --;
  }
 
  double f =((double)  (now.tv_sec - siStartRTime.tv_sec)) +
    ((double) (now.tv_usec - siStartRTime.tv_usec)) /
    (double) 1000000;
 
  if (f > mintime)
   Print("//%s %.2f sec \n" ,v ,f);
}

writeTime()

void writeTime

(

const char *

v

)

Definition at line 101 of file timer.cc.

{
  int64 curr;
  getrusage(RUSAGE_SELF,&t_rec);
  curr = (int64)t_rec.ru_utime.tv_sec*1000000+(int64)t_rec.ru_utime.tv_usec
        +(int64)t_rec.ru_stime.tv_sec*1000000+(int64)t_rec.ru_stime.tv_usec;
  getrusage(RUSAGE_CHILDREN,&t_rec);
  curr += (int64)t_rec.ru_utime.tv_sec*1000000+(int64)t_rec.ru_utime.tv_usec
         +(int64)t_rec.ru_stime.tv_sec*1000000+(int64)t_rec.ru_stime.tv_usec;
  curr -= siStartTime;
  double f =  ((double)curr) * timer_resolution / (double)1000000;
  if (f/timer_resolution > mintime)
  {
#ifdef EXTEND_TIMER_D
    Print("//%s %.2f/%d sec (%d) >>%s<<\n" ,v ,f,(int)timer_resolution,iiOp,my_yylinebuf);
#else
    if (timer_resolution==(double)1.0)
      Print("//%s %.2f sec\n" ,v ,f);
    else
      Print("//%s %.2f/%d sec\n" ,v ,f,(int)timer_resolution);
#endif
  }
}

Variable Documentation

mintime

STATIC_VAR double mintime = 0.5

Definition at line 20 of file timer.cc.

rtimerv

VAR int rtimerv = 0

Definition at line 126 of file timer.cc.

siStartRTime

STATIC_VAR struct timeval siStartRTime

Definition at line 128 of file timer.cc.

siStartTime

STATIC_VAR int64 siStartTime

Definition at line 58 of file timer.cc.

startRl

STATIC_VAR struct timeval startRl

Definition at line 127 of file timer.cc.

t_rec

STATIC_VAR struct rusage t_rec

Definition at line 63 of file timer.cc.

timer_resolution

STATIC_VAR double timer_resolution = TIMER_RESOLUTION

Definition at line 18 of file timer.cc.

timerv

VAR int timerv = 0

Definition at line 17 of file timer.cc.

tzp

STATIC_VAR struct timezone tzp

Definition at line 129 of file timer.cc.