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"
30 * Verify the behavior of speculations with changes in specsize.
32 * SECTION: Speculative Tracing/Options and Tuning;
33 * Options and Tunables/specsize
37 #pragma D option quiet
38 #pragma D option specsize=10
42 self->speculateFlag = 0;
44 self->spec = speculation();
45 printf("Speculative buffer ID: %d\n", self->spec);
50 speculate(self->spec);
51 printf("Lots of data\n");
52 printf("Has to be crammed into this buffer\n");
53 printf("Until it overflows\n");
54 printf("And causes flops\n");
55 self->speculateFlag++;
60 /1 <= self->speculateFlag/
67 /1 <= self->commitFlag/
69 printf("Statement was executed\n");
74 /1 > self->commitFlag/
76 printf("Statement wasn't executed\n");