xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/speculation/tst.DataRecAftDiscard.d (revision 34a0f871d192b33b865455a8812a3d34c1866315)
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  * Data recording actions may follow discard.
32  *
33  * SECTION: Speculative Tracing/Discarding a Speculation;
34  *	Options and Tunables/cleanrate
35  */
36 #pragma D option quiet
37 #pragma D option cleanrate=2000
38 
39 BEGIN
40 {
41 	self->speculateFlag = 0;
42 	self->discardFlag = 0;
43 	self->spec = speculation();
44 }
45 
46 BEGIN
47 /self->spec/
48 {
49 	speculate(self->spec);
50 	printf("Called speculate with id: %d\n", self->spec);
51 	self->speculateFlag++;
52 }
53 
54 BEGIN
55 /(self->spec) && (self->speculateFlag)/
56 {
57 	discard(self->spec);
58 	self->discardFlag++;
59 	printf("Data recording after discard\n");
60 }
61 
62 BEGIN
63 /self->discardFlag/
64 {
65 	exit(0);
66 }
67 
68 BEGIN
69 /!self->discardFlag/
70 {
71 	exit(1);
72 }
73 
74 ERROR
75 {
76 	exit(1);
77 }
78