/*
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

/* time programs */
#include <stdio.h>
#include <sys/types.h>

struct tbuffer {
        long    proc_user_time;
        long    proc_system_time;
        long    child_user_time;
        long    child_system_time;
};
static long start, user, systm;

void
tick(void)
{
        struct tbuffer tx;
        time_t tp;
        times(&tx);
        time(&tp);
        user =  tx.proc_user_time;
        systm = tx.proc_system_time;
        start = tp;
}

void
tock(void)
{
        struct tbuffer tx;
        time_t tp;
        float lap, use, sys;
        if (start == 0)
                return;
        times(&tx);
        time(&tp);
        lap = (tp - start)/60.;
        use = (tx.proc_user_time - user)/60.;
        sys = (tx.proc_system_time - systm)/60.;
        printf("Elapsed %.2f CPU %.2f (user %.2f, sys %.2f)\n",
            lap, use+sys, use, sys);
}