Time.cxx

///////////////////////////////////////////////////////////////////////////////
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#include  <sys/times.h>
#include <sys/param.h>
#include <stdio.h>


#include "Time.h"

#define CPU_PER_SECOND  HZ
#define CPU_PER_MINUTE  (HZ * 60)


/************************************************************************/
/*  Copyright (C) 1994/2000  by Andrew Kahng, Chung-Wen Albert Tsao     */
/************************************************************************/
void RunTime() {
static int lastSysTime = 0;
static int lastUserTime = 0;

struct tms      buffer;
int             uhrs, shrs;
int             umins, smins;
float           usecs, ssecs;

  times(&buffer);
  umins = buffer.tms_utime - lastUserTime;
  smins = buffer.tms_stime - lastSysTime;
  lastUserTime = buffer.tms_utime;
  lastSysTime = buffer.tms_stime;
  usecs = umins % CPU_PER_MINUTE;
  usecs /= CPU_PER_SECOND;
  umins /= CPU_PER_MINUTE;
  uhrs  = umins/60;
  umins = umins %60;
  ssecs = smins % CPU_PER_MINUTE;
  ssecs /= CPU_PER_SECOND;
  smins /= CPU_PER_MINUTE;
  shrs  = smins/60;
  smins = smins %60;
  printf("User: [%02d:%02d:%02.0f]\n", uhrs, umins, usecs);
  printf("Sys:  [%02d:%02d:%02.0f]\n", shrs, smins, ssecs);
  printf("\n\n\n");
/*
  printf("CPU_PER_SECOND = %d\n", CPU_PER_SECOND);
  printf("CPU_PER_MINUTE = %d\n", CPU_PER_MINUTE);
*/
  return ;
}


/****************************************************************************/
/*  Display CPU time and current time.                                      */
/****************************************************************************/
void ShowTime() {
struct tms      buffer;
int days,hours,minutes, seconds, hh, mm, ss;


  times(&buffer);
  seconds = (buffer.tms_utime)/CPU_PER_SECOND;
  ss=seconds%60;
  minutes=seconds/60;
  mm=minutes%60;
  hours=minutes/60;
  hh=hours%24;
  days=hours/24;

  printf("Time:");
  if (days>0) { printf("%d:", days); }
  printf("%02d:%02d:%02d(%5d sec.)",hh,mm,ss, seconds);

  fflush(stdout);
}