root / lab4 / .minix-src / include / sys / vmmeter.h @ 14
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1 | 13 | up20180614 | /* $NetBSD: vmmeter.h,v 1.19 2009/10/21 21:12:07 rmind Exp $ */
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2 | |||
3 | /*-
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4 | * Copyright (c) 1982, 1986, 1993
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5 | * The Regents of the University of California. All rights reserved.
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6 | *
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7 | * Redistribution and use in source and binary forms, with or without
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8 | * modification, are permitted provided that the following conditions
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9 | * are met:
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, this list of conditions and the following disclaimer.
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12 | * 2. Redistributions in binary form must reproduce the above copyright
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13 | * notice, this list of conditions and the following disclaimer in the
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14 | * documentation and/or other materials provided with the distribution.
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15 | * 3. Neither the name of the University nor the names of its contributors
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16 | * may be used to endorse or promote products derived from this software
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17 | * without specific prior written permission.
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18 | *
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19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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29 | * SUCH DAMAGE.
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30 | *
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31 | * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94
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32 | */
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33 | |||
34 | #ifndef _SYS_VMMETER_H_
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35 | #define _SYS_VMMETER_H_
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36 | |||
37 | /* systemwide totals computed every five seconds */
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38 | struct vmtotal
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39 | { |
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40 | int16_t t_rq; /* length of the run queue */
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41 | int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */
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42 | int16_t t_pw; /* jobs in page wait */
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43 | int16_t t_sl; /* jobs sleeping in core */
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44 | int16_t _reserved1; |
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45 | int32_t t_vm; /* total virtual memory */
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46 | int32_t t_avm; /* active virtual memory */
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47 | int32_t t_rm; /* total real memory in use */
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48 | int32_t t_arm; /* active real memory */
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49 | int32_t t_vmshr; /* shared virtual memory */
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50 | int32_t t_avmshr; /* active shared virtual memory */
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51 | int32_t t_rmshr; /* shared real memory */
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52 | int32_t t_armshr; /* active shared real memory */
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53 | int32_t t_free; /* free memory pages */
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54 | }; |
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55 | |||
56 | /*
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57 | * Optional instrumentation.
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58 | */
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59 | #ifdef PGINPROF
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60 | |||
61 | #define NDMON 128 |
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62 | #define NSMON 128 |
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63 | |||
64 | #define DRES 20 |
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65 | #define SRES 5 |
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66 | |||
67 | #define PMONMIN 20 |
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68 | #define PRES 50 |
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69 | #define NPMON 64 |
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70 | |||
71 | #define RMONMIN 130 |
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72 | #define RRES 5 |
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73 | #define NRMON 64 |
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74 | |||
75 | /* data and stack size distribution counters */
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76 | u_int dmon[NDMON+1];
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77 | u_int smon[NSMON+1];
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78 | |||
79 | /* page in time distribution counters */
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80 | u_int pmon[NPMON+2];
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81 | |||
82 | /* reclaim time distribution counters */
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83 | u_int rmon[NRMON+2];
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84 | |||
85 | int pmonmin;
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86 | int pres;
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87 | int rmonmin;
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88 | int rres;
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89 | |||
90 | u_int rectime; /* accumulator for reclaim times */
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91 | u_int pgintime; /* accumulator for page in times */
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92 | #endif /* PGINPROF */ |
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93 | |||
94 | #endif /* !_SYS_VMMETER_H_ */ |