0
|
1 #!/usr/sbin/dtrace -ws
|
|
2 /*
|
|
3 * CDDL HEADER START
|
|
4 *
|
|
5 * The contents of this file are subject to the terms of the
|
|
6 * Common Development and Distribution License (the "License").
|
|
7 * You may not use this file except in compliance with the License.
|
|
8 *
|
|
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
10 * or http://www.opensolaris.org/os/licensing.
|
|
11 * See the License for the specific language governing permissions
|
|
12 * and limitations under the License.
|
|
13 *
|
|
14 * When distributing Covered Code, include this CDDL HEADER in each
|
|
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
16 * If applicable, add the following below this CDDL HEADER, with the
|
|
17 * fields enclosed by brackets "[]" replaced with your own identifying
|
|
18 * information: Portions Copyright [yyyy] [name of copyright owner]
|
|
19 *
|
|
20 * CDDL HEADER END
|
|
21 */
|
|
22
|
|
23 /*
|
|
24 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
|
|
25 * Use is subject to license terms.
|
|
26 */
|
|
27
|
|
28 #pragma ident "@(#)err.D_ACT_SPEC.SpeculateWithBreakPoint.d 1.1 06/08/28 SMI"
|
|
29
|
|
30 /*
|
|
31 * ASSERTION:
|
|
32 * Destructive actions may never be speculative.
|
|
33 *
|
|
34 * SECTION: Speculative Tracing/Using a Speculation
|
|
35 * SECTION: dtrace(1M) Utility/ -w option
|
|
36 *
|
|
37 */
|
|
38 #pragma D option quiet
|
|
39
|
|
40 BEGIN
|
|
41 {
|
|
42 i = 0;
|
|
43 }
|
|
44
|
|
45 syscall:::
|
|
46 /i < 1/
|
|
47 {
|
|
48 var = speculation();
|
|
49 speculate(var);
|
|
50 printf("Speculation ID: %d", var);
|
|
51 breakpoint();
|
|
52 i++;
|
|
53 }
|
|
54
|
|
55 syscall:::
|
|
56 /1 == i/
|
|
57 {
|
|
58 exit(0);
|
|
59 }
|
|
60
|
|
61 ERROR
|
|
62 {
|
|
63 exit(0);
|
|
64 }
|
|
65
|
|
66 END
|
|
67 {
|
|
68 exit(0);
|
|
69 }
|