1/* $NetBSD: vmmeter.h,v 1.19 2009/10/21 21:12:07 rmind Exp $ */
2
3/*-
4 * Copyright (c) 1982, 1986, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94
32 */
33
34#ifndef _SYS_VMMETER_H_
35#define _SYS_VMMETER_H_
36
37/* systemwide totals computed every five seconds */
38struct vmtotal
39{
40 int16_t t_rq; /* length of the run queue */
41 int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */
42 int16_t t_pw; /* jobs in page wait */
43 int16_t t_sl; /* jobs sleeping in core */
44 int16_t _reserved1;
45 int32_t t_vm; /* total virtual memory */
46 int32_t t_avm; /* active virtual memory */
47 int32_t t_rm; /* total real memory in use */
48 int32_t t_arm; /* active real memory */
49 int32_t t_vmshr; /* shared virtual memory */
50 int32_t t_avmshr; /* active shared virtual memory */
51 int32_t t_rmshr; /* shared real memory */
52 int32_t t_armshr; /* active shared real memory */
53 int32_t t_free; /* free memory pages */
54};
55
56/*
57 * Optional instrumentation.
58 */
59#ifdef PGINPROF
60
61#define NDMON 128
62#define NSMON 128
63
64#define DRES 20
65#define SRES 5
66
67#define PMONMIN 20
68#define PRES 50
69#define NPMON 64
70
71#define RMONMIN 130
72#define RRES 5
73#define NRMON 64
74
75/* data and stack size distribution counters */
76u_int dmon[NDMON+1];
77u_int smon[NSMON+1];
78
79/* page in time distribution counters */
80u_int pmon[NPMON+2];
81
82/* reclaim time distribution counters */
83u_int rmon[NRMON+2];
84
85int pmonmin;
86int pres;
87int rmonmin;
88int rres;
89
90u_int rectime; /* accumulator for reclaim times */
91u_int pgintime; /* accumulator for page in times */
92#endif /* PGINPROF */
93
94#endif /* !_SYS_VMMETER_H_ */
95