xref: /illumos-gate/usr/src/cmd/refer/tick.c (revision 7c478bd9)
1*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
2*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
3*7c478bd9Sstevel@tonic-gate 
4*7c478bd9Sstevel@tonic-gate 
5*7c478bd9Sstevel@tonic-gate /*
6*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
7*7c478bd9Sstevel@tonic-gate  * All rights reserved. The Berkeley software License Agreement
8*7c478bd9Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
9*7c478bd9Sstevel@tonic-gate  */
10*7c478bd9Sstevel@tonic-gate 
11*7c478bd9Sstevel@tonic-gate /*
12*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
13*7c478bd9Sstevel@tonic-gate  * All Rights Reserved.
14*7c478bd9Sstevel@tonic-gate  */
15*7c478bd9Sstevel@tonic-gate 
16*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
17*7c478bd9Sstevel@tonic-gate 
18*7c478bd9Sstevel@tonic-gate /* time programs */
19*7c478bd9Sstevel@tonic-gate # include "stdio.h"
20*7c478bd9Sstevel@tonic-gate # include "sys/types.h"
21*7c478bd9Sstevel@tonic-gate 
22*7c478bd9Sstevel@tonic-gate struct tbuffer {
23*7c478bd9Sstevel@tonic-gate 	long	proc_user_time;
24*7c478bd9Sstevel@tonic-gate 	long	proc_system_time;
25*7c478bd9Sstevel@tonic-gate 	long	child_user_time;
26*7c478bd9Sstevel@tonic-gate 	long	child_system_time;
27*7c478bd9Sstevel@tonic-gate };
28*7c478bd9Sstevel@tonic-gate static long start, user, systm;
29*7c478bd9Sstevel@tonic-gate tick()
30*7c478bd9Sstevel@tonic-gate {
31*7c478bd9Sstevel@tonic-gate 	struct tbuffer tx;
32*7c478bd9Sstevel@tonic-gate 	time_t tp;
33*7c478bd9Sstevel@tonic-gate 	times (&tx);
34*7c478bd9Sstevel@tonic-gate 	time (&tp);
35*7c478bd9Sstevel@tonic-gate 	user =  tx.proc_user_time;
36*7c478bd9Sstevel@tonic-gate 	systm= tx.proc_system_time;
37*7c478bd9Sstevel@tonic-gate 	start = tp;
38*7c478bd9Sstevel@tonic-gate }
39*7c478bd9Sstevel@tonic-gate tock()
40*7c478bd9Sstevel@tonic-gate {
41*7c478bd9Sstevel@tonic-gate 	struct tbuffer tx;
42*7c478bd9Sstevel@tonic-gate 	time_t tp;
43*7c478bd9Sstevel@tonic-gate 	float lap, use, sys;
44*7c478bd9Sstevel@tonic-gate 	if (start==0) return;
45*7c478bd9Sstevel@tonic-gate 	times (&tx);
46*7c478bd9Sstevel@tonic-gate 	time (&tp);
47*7c478bd9Sstevel@tonic-gate 	lap = (tp - start)/60.;
48*7c478bd9Sstevel@tonic-gate 	use = (tx.proc_user_time - user)/60.;
49*7c478bd9Sstevel@tonic-gate 	sys = (tx.proc_system_time - systm)/60.;
50*7c478bd9Sstevel@tonic-gate 	printf("Elapsed %.2f CPU %.2f (user %.2f, sys %.2f)\n",
51*7c478bd9Sstevel@tonic-gate 		lap, use+sys, use, sys);
52*7c478bd9Sstevel@tonic-gate }
53