1#!/usr/sbin/dtrace -s
2/*
3 * mmapfiles.d - mmap'd files by process.
4 *               Written using DTrace (Solaris 10 3/05).
5 *
6 * $Id: mmapfiles.d 14 2007-09-11 08:03:35Z brendan $
7 *
8 * USAGE:       mmapfiles.d    # hit Ctrl-C to end sample
9 *
10 * FIELDS:
11 *		MMAPS		number of mmaps
12 *		CMD		process name
13 *		PATHNAME	pathname of mmap'd file
14 *
15 * COPYRIGHT: Copyright (c) 2005, 2006 Brendan Gregg.
16 *
17 * CDDL HEADER START
18 *
19 *  The contents of this file are subject to the terms of the
20 *  Common Development and Distribution License, Version 1.0 only
21 *  (the "License").  You may not use this file except in compliance
22 *  with the License.
23 *
24 *  You can obtain a copy of the license at Docs/cddl1.txt
25 *  or http://www.opensolaris.org/os/licensing.
26 *  See the License for the specific language governing permissions
27 *  and limitations under the License.
28 *
29 * CDDL HEADER END
30 *
31 * 18-Oct-2005	Brendan Gregg	Created this.
32 * 20-Apr-2006	   "      "	Last update.
33 */
34
35#pragma D option quiet
36
37dtrace:::BEGIN
38{
39	printf("Tracing... Hit Ctrl-C to end.\n");
40}
41
42syscall::mmap:entry
43/(int)arg4 > 0/
44{
45	/*
46	 * Fetch filename
47	 */
48	this->filep = curthread->t_procp->p_user.u_finfo.fi_list[arg4].uf_file;
49	this->vnodep = this->filep != 0 ? this->filep->f_vnode : 0;
50	self->vpath = this->vnodep ? (this->vnodep->v_path != 0 ?
51	    cleanpath(this->vnodep->v_path) : "<unknown>") : "<unknown>";
52
53	/* Store Details */
54	@hits[execname, self->vpath] = count();
55}
56
57dtrace:::END
58{
59	/* Print Details */
60	printf("%5s %-16s %s\n", "MMAPS", "CMD", "PATHNAME");
61	printa("%@5d %-16s %s\n", @hits);
62}
63