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 doc example 7-1
32  *
33  * SECTION:
34  *	DocExamples/rwinfo
35  */
36 
37 
38 syscall::read:entry,
39 syscall::write:entry
40 /pid == 100551/
41 {
42 	ts[probefunc] = timestamp;
43 }
44 
45 syscall::read:return,
46 syscall::write:return
47 /(ts[probefunc] != 0) && (pid == 100551)/
48 {
49 	printf("%d nsecs\n", timestamp - ts[probefunc]);
50 }
51