1*11a8fa6cSceastha /*
2*11a8fa6cSceastha * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3*11a8fa6cSceastha * Use is subject to license terms.
4*11a8fa6cSceastha */
5*11a8fa6cSceastha
67c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
77c478bd9Sstevel@tonic-gate /* All Rights Reserved */
87c478bd9Sstevel@tonic-gate
97c478bd9Sstevel@tonic-gate /*
107c478bd9Sstevel@tonic-gate * Copyright (c) 1980 Regents of the University of California.
117c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement
127c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution.
137c478bd9Sstevel@tonic-gate */
147c478bd9Sstevel@tonic-gate
157c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
167c478bd9Sstevel@tonic-gate
177c478bd9Sstevel@tonic-gate /* time programs */
18*11a8fa6cSceastha #include <stdio.h>
19*11a8fa6cSceastha #include <sys/types.h>
207c478bd9Sstevel@tonic-gate
217c478bd9Sstevel@tonic-gate struct tbuffer {
227c478bd9Sstevel@tonic-gate long proc_user_time;
237c478bd9Sstevel@tonic-gate long proc_system_time;
247c478bd9Sstevel@tonic-gate long child_user_time;
257c478bd9Sstevel@tonic-gate long child_system_time;
267c478bd9Sstevel@tonic-gate };
277c478bd9Sstevel@tonic-gate static long start, user, systm;
28*11a8fa6cSceastha
29*11a8fa6cSceastha void
tick(void)30*11a8fa6cSceastha tick(void)
317c478bd9Sstevel@tonic-gate {
327c478bd9Sstevel@tonic-gate struct tbuffer tx;
337c478bd9Sstevel@tonic-gate time_t tp;
347c478bd9Sstevel@tonic-gate times(&tx);
357c478bd9Sstevel@tonic-gate time(&tp);
367c478bd9Sstevel@tonic-gate user = tx.proc_user_time;
377c478bd9Sstevel@tonic-gate systm = tx.proc_system_time;
387c478bd9Sstevel@tonic-gate start = tp;
397c478bd9Sstevel@tonic-gate }
40*11a8fa6cSceastha
41*11a8fa6cSceastha void
tock(void)42*11a8fa6cSceastha tock(void)
437c478bd9Sstevel@tonic-gate {
447c478bd9Sstevel@tonic-gate struct tbuffer tx;
457c478bd9Sstevel@tonic-gate time_t tp;
467c478bd9Sstevel@tonic-gate float lap, use, sys;
47*11a8fa6cSceastha if (start == 0)
48*11a8fa6cSceastha return;
497c478bd9Sstevel@tonic-gate times(&tx);
507c478bd9Sstevel@tonic-gate time(&tp);
517c478bd9Sstevel@tonic-gate lap = (tp - start)/60.;
527c478bd9Sstevel@tonic-gate use = (tx.proc_user_time - user)/60.;
537c478bd9Sstevel@tonic-gate sys = (tx.proc_system_time - systm)/60.;
547c478bd9Sstevel@tonic-gate printf("Elapsed %.2f CPU %.2f (user %.2f, sys %.2f)\n",
557c478bd9Sstevel@tonic-gate lap, use+sys, use, sys);
567c478bd9Sstevel@tonic-gate }
57