vmmeter.h revision 1.10
1 /* $NetBSD: vmmeter.h,v 1.10 1997/01/22 07:09:33 mikel 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94 36 */ 37 38 #ifndef _SYS_VMMETER_H_ 39 #define _SYS_VMMETER_H_ 40 41 /* 42 * System wide statistics counters. 43 */ 44 struct vmmeter { 45 /* 46 * General system activity. 47 */ 48 u_int v_swtch; /* context switches */ 49 u_int v_trap; /* calls to trap */ 50 u_int v_syscall; /* calls to syscall() */ 51 u_int v_intr; /* device interrupts */ 52 u_int v_soft; /* software interrupts */ 53 u_int v_faults; /* total faults taken */ 54 /* 55 * Virtual memory activity. 56 */ 57 u_int v_lookups; /* object cache lookups */ 58 u_int v_hits; /* object cache hits */ 59 u_int v_vm_faults; /* number of address memory faults */ 60 u_int v_cow_faults; /* number of copy-on-writes */ 61 u_int v_swpin; /* swapins */ 62 u_int v_swpout; /* swapouts */ 63 u_int v_pswpin; /* pages swapped in */ 64 u_int v_pswpout; /* pages swapped out */ 65 u_int v_pageins; /* number of pageins */ 66 u_int v_pageouts; /* number of pageouts */ 67 u_int v_pgpgin; /* pages paged in */ 68 u_int v_pgpgout; /* pages paged out */ 69 u_int v_intrans; /* intransit blocking page faults */ 70 u_int v_reactivated; /* number of pages reactivated from free list */ 71 u_int v_rev; /* revolutions of the hand */ 72 u_int v_scan; /* scans in page out daemon */ 73 u_int v_dfree; /* pages freed by daemon */ 74 u_int v_pfree; /* pages freed by exiting processes */ 75 u_int v_zfod; /* pages zero filled on demand */ 76 u_int v_nzfod; /* number of zfod's created */ 77 /* 78 * Distribution of page usages. 79 */ 80 u_int v_page_size; /* page size in bytes */ 81 u_int v_kernel_pages; /* number of pages in use by kernel */ 82 u_int v_free_target; /* number of pages desired free */ 83 u_int v_free_min; /* minimum number of pages desired free */ 84 u_int v_free_count; /* number of pages free */ 85 u_int v_wire_count; /* number of pages wired down */ 86 u_int v_active_count; /* number of pages active */ 87 u_int v_inactive_target; /* number of pages desired inactive */ 88 u_int v_inactive_count; /* number of pages inactive */ 89 }; 90 #ifdef _KERNEL 91 struct vmmeter cnt; 92 #endif 93 94 /* systemwide totals computed every five seconds */ 95 struct vmtotal 96 { 97 int16_t t_rq; /* length of the run queue */ 98 int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */ 99 int16_t t_pw; /* jobs in page wait */ 100 int16_t t_sl; /* jobs sleeping in core */ 101 int16_t t_sw; /* swapped out runnable/short block jobs */ 102 int32_t t_vm; /* total virtual memory */ 103 int32_t t_avm; /* active virtual memory */ 104 int32_t t_rm; /* total real memory in use */ 105 int32_t t_arm; /* active real memory */ 106 int32_t t_vmshr; /* shared virtual memory */ 107 int32_t t_avmshr; /* active shared virtual memory */ 108 int32_t t_rmshr; /* shared real memory */ 109 int32_t t_armshr; /* active shared real memory */ 110 int32_t t_free; /* free memory pages */ 111 }; 112 #ifdef _KERNEL 113 struct vmtotal total; 114 #endif 115 116 /* 117 * Optional instrumentation. 118 */ 119 #ifdef PGINPROF 120 121 #define NDMON 128 122 #define NSMON 128 123 124 #define DRES 20 125 #define SRES 5 126 127 #define PMONMIN 20 128 #define PRES 50 129 #define NPMON 64 130 131 #define RMONMIN 130 132 #define RRES 5 133 #define NRMON 64 134 135 /* data and stack size distribution counters */ 136 u_int dmon[NDMON+1]; 137 u_int smon[NSMON+1]; 138 139 /* page in time distribution counters */ 140 u_int pmon[NPMON+2]; 141 142 /* reclaim time distribution counters */ 143 u_int rmon[NRMON+2]; 144 145 int pmonmin; 146 int pres; 147 int rmonmin; 148 int rres; 149 150 u_int rectime; /* accumulator for reclaim times */ 151 u_int pgintime; /* accumulator for page in times */ 152 #endif /* PGINPROF */ 153 154 #endif /* !_SYS_VMMETER_H_ */ 155
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