tst.vahole.d revision 2633:71bab08d24b2 
1#!/usr/sbin/dtrace -Cs
2
3/*
4 * CDDL HEADER START
5 *
6 * The contents of this file are subject to the terms of the
7 * Common Development and Distribution License (the "License").
8 * You may not use this file except in compliance with the License.
9 *
10 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
11 * or http://www.opensolaris.org/os/licensing.
12 * See the License for the specific language governing permissions
13 * and limitations under the License.
14 *
15 * When distributing Covered Code, include this CDDL HEADER in each
16 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
17 * If applicable, add the following below this CDDL HEADER, with the
18 * fields enclosed by brackets "[]" replaced with your own identifying
19 * information: Portions Copyright [yyyy] [name of copyright owner]
20 *
21 * CDDL HEADER END
22 */
23
24/*
25 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
26 * Use is subject to license terms.
27 */
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31/*
32 * We set our buffer size absurdly low to prevent a flood of errors that we
33 * don't care about.
34 */
35#pragma D option bufsize=16
36#pragma D option bufpolicy=ring
37
38fbt:::
39{
40	n++;
41#ifdef __sparc
42	trace(*(int *)0x8000000000000000 ^ rand());
43#else
44	trace(*(int *)(`kernelbase - 1));
45#endif
46}
47
48dtrace:::ERROR
49{
50	err++;
51}
52
53tick-1sec
54/sec++ == 10/
55{
56	exit(2);
57}
58
59END
60/n == 0 || err == 0/
61{
62	exit(1);
63}
64
65END
66/n != 0 && err != 0/
67{
68	exit(0);
69}
70