master
 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_ */