sys/sys/vmmeter.h

   1 /*      $NetBSD: vmmeter.h,v 1.18 2005/12/11 12:25:21 christos 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_ */