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 2007 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: An Id of zero though invalid may be passed to speculate(),
31 * commit() and discard() without any ill effects.
32 *
33 * SECTION: Speculative Tracing/Creating a Speculation;
34 *	Options and Tunables/cleanrate
35 */
36#pragma D option quiet
37#pragma D option cleanrate=4000hz
38
39BEGIN
40{
41	self->discardFlag = 0;
42	self->var1 = speculation();
43	printf("Speculative buffer ID: %d\n", self->var1);
44	self->spec = speculation();
45	printf("Speculative buffer ID: %d\n", self->spec);
46}
47
48BEGIN
49/0 == self->spec/
50{
51	discard(self->spec);
52	self->discardFlag++;
53}
54
55BEGIN
56/0 < self->discardFlag/
57{
58	printf("discard(), self->discardFlag = %d\n", self->discardFlag);
59	exit(0);
60}
61
62BEGIN
63/0 == self->discardFlag/
64{
65	printf("discard(), self->discardFlag = %d\n", self->discardFlag);
66	exit(1);
67}
68