1/*
2 * Copyright (c) 2008 Apple Inc.  All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 *
23 * Does this need to be released under the OpenLDAP License instead of, or in
24 * addition to the APSL?
25 *
26 */
27
28/*
29 * Dtrace script to see the response message rb tree stats
30 *
31 * To run this script:
32 *    sudo dtrace -s ldap_rb_stats_script.d -p <pid of some ldap using process>
33 *    sudo dtrace -s ldap_rb_stats_script.d -c "some ldap using command"
34 */
35
36#pragma D option quiet
37#pragma D option bufsize=2m
38#pragma D option switchrate=150hz
39
40
41/* High water mark for the count */
42int hwmcount;
43
44ldap_rb_stats$target:::count
45{
46	printf("\n%s: msg id: %d, msg ptr %p nodes in rb tree %d", probefunc, arg1, arg2, arg0);
47	ustack();
48}
49
50ldap_rb_stats$target:::count
51/ arg0 > hwmcount /
52{
53	hwmcount = arg0;
54}
55
56END
57{
58	printf("nodes in rb tree high water mark: %d\n", hwmcount);
59}