xref: /freebsd/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/safety/tst.msgsize.d (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
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 2006 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  * ASSERTION:
31  * 	Make sure that the msgsize safe to use at every fbt probe
32  *
33  * SECTION: Actions and Subroutines/msgsize();
34  *	Options and Tunables/bufsize;
35  * 	Options and Tunables/bufpolicy;
36  * 	Options and Tunables/statusrate
37  */
38 
39 #pragma D option bufsize=1000
40 #pragma D option bufpolicy=ring
41 #pragma D option statusrate=10ms
42 
43 fbt:::
44 {
45 	on = (timestamp / 1000000000) & 1;
46 }
47 
48 fbt:::
49 /on/
50 {
51 	trace(msgsize((mblk_t *)rand()));
52 }
53 
54 fbt:::
55 /on/
56 {
57 	trace(msgdsize((mblk_t *)rand()));
58 }
59 
60 tick-1sec
61 /n++ == 20/
62 {
63 	exit(0);
64 }
65