tst.copyin.d revision 253726 
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/*
28 * Copyright (c) 2012 by Delphix. All rights reserved.
29 */
30
31/*
32 * ASSERTION:
33 *   We set our buffer size absurdly low to prevent a flood of errors that we
34 *   don't care about.  We set our statusrate to be infinitely short to cause
35 *   lots of activity by the DTrace process.
36 *
37 * SECTION: Actions and Subroutines/copyin();
38 *	Options and Tunables/bufsize;
39 *	Options and Tunables/bufpolicy;
40 *	Options and Tunables/statusrate
41 */
42
43
44#pragma D option bufsize=32
45#pragma D option bufpolicy=ring
46#pragma D option statusrate=1nsec
47
48syscall:::entry
49{
50	n++;
51	trace(copyin(rand(), 1));
52}
53
54syscall:::entry
55{
56	trace(copyin(rand() | 1, 1));
57}
58
59syscall:::entry
60{
61	trace(copyin(NULL, 1));
62}
63
64dtrace:::ERROR
65{
66	err++;
67}
68
69tick-1sec
70/sec++ == 10/
71{
72	exit(2);
73}
74
75END
76/n == 0 || err == 0/
77{
78	exit(1);
79}
80
81END
82/n != 0 && err != 0/
83{
84	exit(0);
85}
86