generic.c

来自「Parallel programming／Lou Baker, Bradley 」· C语言 代码 · 共 65 行

#ifdef TIMES
void
InitSysTimer(PSysTimer pt)
{
 pt->cur_tot.tms_utime = 0;
 pt->cur_tot.tms_stime = 0;
 pt->cur_tot.tms_cutime = 0;
 pt->cur_tot.tms_cstime = 0;
 pt->running = FALSE;
}

void
StartSysTimer(PSysTimer pt)
{
#ifdef DEBUG
 if(pt->running)
	Debug("WARNING - restarted running timer!\n");
#endif
 times(&pt->last_start);
 pt->running = TRUE;

}

void
StopSysTimer(PSysTimer pt)
{
 struct tms end;
  
 if(!pt->running)
	{
#ifdef DEBUG
	Debug("WARNING: StopSysTimer called on stopped timer!\n");
#endif
	return;
	}
 pt->running = FALSE;
 times(&end);

 /* Running total of user and system times */
 pt->cur_tot.tms_utime += end.tms_utime - pt->last_start.tms_utime;
 pt->cur_tot.tms_stime += end.tms_stime - pt->last_start.tms_stime;
}

void
SPrintSysTimer(char *s, PSysTimer pt, int fmt)
 {
 	sprintf(s,"%f sec", (fmt == ST_SYS_TIME?
			((float)pt->cur_tot.tms_stime/100.0) : 
			((float)pt->cur_tot.tms_utime/100.0) ) );
 }

void 
NormalizeTime(clock_t *t)
{
 long tim;
 /* Normalize times to 10ths of a second */
 tim = (long) *t; 
 tim = (tim * 10L)/CLK_TCK;
 *t = (clock_t) tim;
}

#endif /* TIMES */