xref: /freebsd/share/man/man9/pmap_resident_count.9 (revision 3e102307b7637eaab1e213740399e9ce50ef3c1b)
1.\"
2.\" Copyright (c) 2003 Bruce M Simpson <bms@spc.org>
3.\" All rights reserved.
4.\"
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright
9.\"    notice, this list of conditions and the following disclaimer.
10.\" 2. Redistributions in binary form must reproduce the above copyright
11.\"    notice, this list of conditions and the following disclaimer in the
12.\"    documentation and/or other materials provided with the distribution.
13.\"
14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24.\" SUCH DAMAGE.
25.\"
26.\" $FreeBSD$
27.\"
28.Dd July 21, 2003
29.Dt PMAP_RESIDENT_COUNT 9
30.Os
31.Sh NAME
32.Nm pmap_resident_count ,
33.Nm pmap_wired_count
34.Nd return page resident and wiring statistics
35.Sh SYNOPSIS
36.In sys/param.h
37.In vm/vm.h
38.In vm/pmap.h
39.Ft long
40.Fn pmap_resident_count "pmap_t pmap"
41.Ft long
42.Fn pmap_wired_count "pmap_t pmap"
43.Sh DESCRIPTION
44The
45.Fn pmap_resident_count
46and
47.Fn pmap_wired_count
48macros allow
49.Nm pmap
50consumers to retrieve statistics from the
51.Va pm_stats
52member of the machine-dependent structure
53.Vt struct pmap .
54.Sh IMPLEMENTATION NOTES
55Both functions are defined as in-line macros.
56The members which they access have type
57.Vt long .
58.Sh RETURN VALUES
59The
60.Fn pmap_resident_count
61returns the number of pages in the physical map
62.Va pmap
63which are currently resident in main memory.
64.Pp
65The
66.Fn pmap_wired_count
67returns the number of pages in the physical map
68.Va pmap
69which are currently wired into in main memory.
70.Sh SEE ALSO
71.Xr pmap 9
72.Sh AUTHORS
73This manual page was written by
74.An Bruce M Simpson Aq bms@spc.org .
75