1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 
30 /*
31  * ASSERTION:
32  * 	Positive avg() test
33  *
34  * SECTION: Aggregations/Aggregations
35  *
36  * NOTES:
37  *	Verifies that printing a clear()'d aggregation with an avg()
38  *	aggregation function of 0 doesn't cause divide-by-zero problems.
39  *
40  */
41 
42 #pragma D option quiet
43 #pragma D option switchrate=50ms
44 #pragma D option aggrate=1ms
45 
46 tick-100ms
47 /(x++ % 5) == 0/
48 {
49 	@time = avg(0);
50 }
51 
52 tick-100ms
53 /x > 5 && x <= 20/
54 {
55 	printa(" %@d\n", @time);
56 	clear(@time);
57 }
58 
59 tick-100ms
60 /x > 20/
61 {
62 	exit(0);
63 }
64