vmmeter.h revision 1.2
1 /*- 2 * Copyright (c) 1982, 1986 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)vmmeter.h 7.3 (Berkeley) 5/5/91 34 */ 35 36 #ifndef _SYS_VMMETER_H_ 37 #define _SYS_VMMETER_H_ 38 39 /* 40 * Virtual memory related instrumentation 41 */ 42 struct vmmeter 43 { 44 #define v_first v_swtch 45 unsigned v_swtch; /* context switches */ 46 unsigned v_trap; /* calls to trap */ 47 unsigned v_syscall; /* calls to syscall() */ 48 unsigned v_intr; /* device interrupts */ 49 unsigned v_soft; /* software interrupts */ 50 unsigned v_pdma; /* pseudo-dma interrupts */ 51 unsigned v_pswpin; /* pages swapped in */ 52 unsigned v_pswpout; /* pages swapped out */ 53 unsigned v_pgin; /* pageins */ 54 unsigned v_pgout; /* pageouts */ 55 unsigned v_pgpgin; /* pages paged in */ 56 unsigned v_pgpgout; /* pages paged out */ 57 unsigned v_intrans; /* intransit blocking page faults */ 58 unsigned v_pgrec; /* total page reclaims */ 59 unsigned v_xsfrec; /* found in free list rather than on swapdev */ 60 unsigned v_xifrec; /* found in free list rather than in filsys */ 61 unsigned v_exfod; /* pages filled on demand from executables */ 62 unsigned v_zfod; /* pages zero filled on demand */ 63 unsigned v_vrfod; /* fills of pages mapped by vread() */ 64 unsigned v_nexfod; /* number of exfod's created */ 65 unsigned v_nzfod; /* number of zfod's created */ 66 unsigned v_nvrfod; /* number of vrfod's created */ 67 unsigned v_pgfrec; /* page reclaims from free list */ 68 unsigned v_faults; /* total faults taken */ 69 unsigned v_scan; /* scans in page out daemon */ 70 unsigned v_rev; /* revolutions of the hand */ 71 unsigned v_seqfree; /* pages taken from sequential programs */ 72 unsigned v_dfree; /* pages freed by daemon */ 73 unsigned v_fastpgrec; /* fast reclaims in locore */ 74 #ifdef tahoe 75 unsigned v_fpe; /* floating point emulation traps */ 76 unsigned v_align; /* alignment emulation traps */ 77 #endif 78 #define v_last v_fastpgrec 79 unsigned v_swpin; /* swapins */ 80 unsigned v_swpout; /* swapouts */ 81 }; 82 #ifdef KERNEL 83 struct vmmeter cnt, rate, sum; 84 #endif 85 86 /* systemwide totals computed every five seconds */ 87 struct vmtotal 88 { 89 short t_rq; /* length of the run queue */ 90 short t_dw; /* jobs in ``disk wait'' (neg priority) */ 91 short t_pw; /* jobs in page wait */ 92 short t_sl; /* jobs sleeping in core */ 93 short t_sw; /* swapped out runnable/short block jobs */ 94 long t_vm; /* total virtual memory */ 95 long t_avm; /* active virtual memory */ 96 long t_rm; /* total real memory in use */ 97 long t_arm; /* active real memory */ 98 long t_vmtxt; /* virtual memory used by text */ 99 long t_avmtxt; /* active virtual memory used by text */ 100 long t_rmtxt; /* real memory used by text */ 101 long t_armtxt; /* active real memory used by text */ 102 long t_free; /* free memory pages */ 103 }; 104 #ifdef KERNEL 105 struct vmtotal total; 106 #endif 107 108 /* 109 * Optional instrumentation. 110 */ 111 #ifdef PGINPROF 112 113 #define NDMON 128 114 #define NSMON 128 115 116 #define DRES 20 117 #define SRES 5 118 119 #define PMONMIN 20 120 #define PRES 50 121 #define NPMON 64 122 123 #define RMONMIN 130 124 #define RRES 5 125 #define NRMON 64 126 127 /* data and stack size distribution counters */ 128 unsigned int dmon[NDMON+1]; 129 unsigned int smon[NSMON+1]; 130 131 /* page in time distribution counters */ 132 unsigned int pmon[NPMON+2]; 133 134 /* reclaim time distribution counters */ 135 unsigned int rmon[NRMON+2]; 136 137 int pmonmin; 138 int pres; 139 int rmonmin; 140 int rres; 141 142 unsigned rectime; /* accumulator for reclaim times */ 143 unsigned pgintime; /* accumulator for page in times */ 144 #endif 145 146 #endif /* !_SYS_VMMETER_H_ */ 147
Indexes created Fri Sep 26 20:09:58 GMT 2025