xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/speculation/tst.TwoSpecBuffers.d (revision 60405de4d8688d96dd05157c28db3ade5c9bc234)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * ASSERTION:
31  * Increasing the value of nspec to two should will increase the number of
32  * speculative buffers to two.
33  *
34  * SECTION: Speculative Tracing/Options and Tuning;
35  *		Options and Tunables/nspec
36  *
37  */
38 
39 #pragma D option quiet
40 #pragma D option cleanrate=3000
41 #pragma D option nspec=2
42 
43 BEGIN
44 {
45 	var1 = 0;
46 	var2 = 0;
47 	var3 = 0;
48 }
49 
50 BEGIN
51 {
52 	var1 = speculation();
53 	printf("Speculation ID: %d\n", var1);
54 	var2 = speculation();
55 	printf("Speculation ID: %d\n", var2);
56 	var3 = speculation();
57 	printf("Speculation ID: %d\n", var3);
58 }
59 
60 BEGIN
61 /var1 && var2 && (!var3)/
62 {
63 	printf("Succesfully got two speculative buffers");
64 	exit(0);
65 }
66 
67 BEGIN
68 /(!var1) || (!var2) || var3/
69 {
70 	printf("Test failed");
71 	exit(1);
72 }
73 
74 ERROR
75 {
76 	exit(1);
77 }
78