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.
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.
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]
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 #pragma ident "%Z%%M% %I% %E% SMI"
31 * Verify the behavior of variations in specsize.
33 * SECTION: Speculative Tracing/Options and Tuning;
34 * Options and Tunables/specsize
38 * NOTES: This code has four different behaviors.
40 * 2. 8 <= specsize <= 39 || 0 == specsize
46 #pragma D option quiet
47 #pragma D option specsize=10
51 self->speculateFlag = 0;
53 self->spec = speculation();
54 printf("Speculative buffer ID: %d\n", self->spec);
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++;
69 /1 <= self->speculateFlag/
76 /1 <= self->commitFlag/
78 printf("Statement was executed\n");
83 /1 > self->commitFlag/
85 printf("Statement wasn't executed\n");