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.
28 * Copyright (c) 2012 by Delphix. All rights reserved.
33 * Verify the behavior of variations in bufsize.
35 * SECTION: Speculative Tracing/Options and Tuning;
36 * Options and Tunables/bufsize
38 * NOTES: This test behaves differently depending on the values
39 * assigned to bufsize.
43 * 4. 8 <= bufsize <= 31
44 * 5. 32 <= bufsize <= 47
45 * 6. 48 <= bufsize <= 71
49 #pragma D option quiet
50 #pragma D option bufsize=4
54 self->speculateFlag = 0;
56 self->spec = speculation();
57 printf("Speculative buffer ID: %d\n", self->spec);
62 speculate(self->spec);
63 printf("Lots of data\n");
64 printf("Has to be crammed into this buffer\n");
65 printf("Until it overflows\n");
66 printf("And causes flops\n");
67 self->speculateFlag++;
72 /1 <= self->speculateFlag/
79 /1 <= self->commitFlag/
81 printf("Statement was executed\n");
86 /1 > self->commitFlag/
88 printf("Statement wasn't executed\n");