xref: /freebsd-src/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/docsExamples/ksyms.d (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
1*2be1a816SJohn Birrell /*
2*2be1a816SJohn Birrell  * CDDL HEADER START
3*2be1a816SJohn Birrell  *
4*2be1a816SJohn Birrell  * The contents of this file are subject to the terms of the
5*2be1a816SJohn Birrell  * Common Development and Distribution License (the "License").
6*2be1a816SJohn Birrell  * You may not use this file except in compliance with the License.
7*2be1a816SJohn Birrell  *
8*2be1a816SJohn Birrell  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*2be1a816SJohn Birrell  * or http://www.opensolaris.org/os/licensing.
10*2be1a816SJohn Birrell  * See the License for the specific language governing permissions
11*2be1a816SJohn Birrell  * and limitations under the License.
12*2be1a816SJohn Birrell  *
13*2be1a816SJohn Birrell  * When distributing Covered Code, include this CDDL HEADER in each
14*2be1a816SJohn Birrell  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*2be1a816SJohn Birrell  * If applicable, add the following below this CDDL HEADER, with the
16*2be1a816SJohn Birrell  * fields enclosed by brackets "[]" replaced with your own identifying
17*2be1a816SJohn Birrell  * information: Portions Copyright [yyyy] [name of copyright owner]
18*2be1a816SJohn Birrell  *
19*2be1a816SJohn Birrell  * CDDL HEADER END
20*2be1a816SJohn Birrell  */
21*2be1a816SJohn Birrell 
22*2be1a816SJohn Birrell /*
23*2be1a816SJohn Birrell  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24*2be1a816SJohn Birrell  * Use is subject to license terms.
25*2be1a816SJohn Birrell  */
26*2be1a816SJohn Birrell 
27*2be1a816SJohn Birrell #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*2be1a816SJohn Birrell 
29*2be1a816SJohn Birrell /*
30*2be1a816SJohn Birrell  * ASSERTION:
31*2be1a816SJohn Birrell  *	Verify doc example 7-2
32*2be1a816SJohn Birrell  *
33*2be1a816SJohn Birrell  * SECTION:
34*2be1a816SJohn Birrell  *	DocExamples/ksyms
35*2be1a816SJohn Birrell  */
36*2be1a816SJohn Birrell 
37*2be1a816SJohn Birrell 
38*2be1a816SJohn Birrell /* Must run "strings -a /dev/ksyms in another shell on the system */
39*2be1a816SJohn Birrell 
40*2be1a816SJohn Birrell 
41*2be1a816SJohn Birrell #pragma D option quiet
42*2be1a816SJohn Birrell 
43*2be1a816SJohn Birrell syscall::read:entry
44*2be1a816SJohn Birrell /curpsinfo->pr_psargs == "strings -a /dev/ksyms"/
45*2be1a816SJohn Birrell {
46*2be1a816SJohn Birrell 	printf("read %u bytes to user address %x\n", arg2, arg1);
47*2be1a816SJohn Birrell 	self->watched = 1;
48*2be1a816SJohn Birrell }
49*2be1a816SJohn Birrell 
50*2be1a816SJohn Birrell syscall::read:return
51*2be1a816SJohn Birrell /self->watched/
52*2be1a816SJohn Birrell {
53*2be1a816SJohn Birrell 	self->watched = 0;
54*2be1a816SJohn Birrell }
55*2be1a816SJohn Birrell 
56*2be1a816SJohn Birrell fbt::uiomove:entry
57*2be1a816SJohn Birrell /self->watched/
58*2be1a816SJohn Birrell {
59*2be1a816SJohn Birrell 	this->iov = args[3]->uio_iov;
60*2be1a816SJohn Birrell 
61*2be1a816SJohn Birrell 	printf("uiomove %u bytes to %p in pid %d\n", this->iov->iov_len,
62*2be1a816SJohn Birrell 	    this->iov->iov_base, pid);
63*2be1a816SJohn Birrell }
64