bug.1001148.SpecSizeVariations.d revision 2633:71bab08d24b2 
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 * Verify the behavior of variations in specsize.
32 *
33 * SECTION: Speculative Tracing/Options and Tuning;
34 *	Options and Tunables/specsize
35 *
36 * BUG: 1001148
37 *
38 * NOTES: This code has four different behaviors.
39 * 1. 0 < specsize < 8
40 * 2. 8 <= specsize <= 39 || 0 == specsize
41 * 3. 40 <= specsize
42 * 4. 0 > specsize
43 *
44 */
45
46#pragma D option quiet
47#pragma D option specsize=10
48
49BEGIN
50{
51	self->speculateFlag = 0;
52	self->commitFlag = 0;
53	self->spec = speculation();
54	printf("Speculative buffer ID: %d\n", self->spec);
55}
56
57BEGIN
58{
59	speculate(self->spec);
60	printf("Lots of data\n");
61	printf("Has to be crammed into this buffer\n");
62	printf("Until it overflows\n");
63	printf("And causes flops\n");
64	self->speculateFlag++;
65
66}
67
68BEGIN
69/1 <= self->speculateFlag/
70{
71	commit(self->spec);
72	self->commitFlag++;
73}
74
75BEGIN
76/1 <= self->commitFlag/
77{
78	printf("Statement was executed\n");
79	exit(0);
80}
81
82BEGIN
83/1 > self->commitFlag/
84{
85	printf("Statement wasn't executed\n");
86	exit(1);
87}
88