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 
39 BEGIN
40 {
41 	self->commitFlag = 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 
48 BEGIN
49 {
50 	commit(self->spec);
51 	self->commitFlag++;
52 }
53 
54 BEGIN
55 /0 < self->commitFlag/
56 {
57 	printf("commit(), self->commitFlag = %d\n", self->commitFlag);
58 	exit(0);
59 }
60 
61 BEGIN
62 /0 == self->commitFlag/
63 {
64 	printf("commit(), self->commitFlag = %d\n", self->commitFlag);
65 	exit(1);
66 }
67