BSD 4_4 release

[unix-history] / usr / src / old / refer / hunt / tick.c

/*-
* This module is believed to contain source code proprietary to AT&T.
* Use and redistribution is subject to the Berkeley Software License
* Agreement and your Software Agreement with AT&T (Western Electric).
*/

#ifndef lint
static char sccsid[] = "@(#)tick.c      4.4 (Berkeley) 4/18/91";
#endif /* not lint */

/* time programs */
# include <stdio.h>
# include <sys/types.h>
# include <sys/timeb.h>
struct tbuffer {
       long    proc_user_time;
       long    proc_system_time;
       long    child_user_time;
       long    child_system_time;
};
static long start, user, system;
tick()
{
       struct tbuffer tx;
       struct timeb tp;
       times (&tx);
       ftime (&tp);
       user =  tx.proc_user_time;
       system= tx.proc_system_time;
       start = tp.time*1000+tp.millitm;
}
tock()
{
       struct tbuffer tx;
       struct timeb tp;
       float lap, use, sys;
       if (start==0) return;
       times (&tx);
       ftime (&tp);
       lap = (tp.time*1000+tp.millitm-start)/1000.;
       use = (tx.proc_user_time - user)/60.;
       sys = (tx.proc_system_time - system)/60.;
       printf("Elapsed %.2f CPU %.2f (user %.2f, sys %.2f)\n",
               lap, use+sys, use, sys);
}