xref: /minix/sys/sys/vmmeter.h (revision 6c8f7fc3)
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 */
38 struct 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 */
76 u_int	dmon[NDMON+1];
77 u_int	smon[NSMON+1];
78 
79 /* page in time distribution counters */
80 u_int	pmon[NPMON+2];
81 
82 /* reclaim time distribution counters */
83 u_int	rmon[NRMON+2];
84 
85 int	pmonmin;
86 int	pres;
87 int	rmonmin;
88 int	rres;
89 
90 u_int rectime;		/* accumulator for reclaim times */
91 u_int pgintime;		/* accumulator for page in times */
92 #endif /* PGINPROF */
93 
94 #endif /* !_SYS_VMMETER_H_ */
95