xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/aggs/tst.clearstddev.d (revision b7daf79982d77b491ef9662483cd4549e0e5da9a)
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 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * ASSERTION:
29  *     Positive stddev() test
30  *
31  * SECTION: Aggregations/Aggregations
32  *
33  * NOTES:
34  *     Verifies that printing a clear()'d aggregation with an stddev()
35  *     aggregation function doesn't cause problems.
36  *
37  */
38 
39 #pragma D option quiet
40 
41 tick-10ms
42 /i++ < 5/
43 {
44 	@a = stddev(timestamp);
45 }
46 
47 tick-10ms
48 /i == 5/
49 {
50 	exit(2);
51 }
52 
53 END
54 {
55 	clear(@a);
56 	exit(0);
57 }
58