projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b688fc87 WJ |
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 | /* | |
| 37 | * Virtual memory related instrumentation | |
| 38 | */ | |
| 39 | struct vmmeter | |
| 40 | { | |
| 41 | #define v_first v_swtch | |
| 42 | unsigned v_swtch; /* context switches */ | |
| 43 | unsigned v_trap; /* calls to trap */ | |
| 44 | unsigned v_syscall; /* calls to syscall() */ | |
| 45 | unsigned v_intr; /* device interrupts */ | |
| 46 | unsigned v_soft; /* software interrupts */ | |
| 47 | unsigned v_pdma; /* pseudo-dma interrupts */ | |
| 48 | unsigned v_pswpin; /* pages swapped in */ | |
| 49 | unsigned v_pswpout; /* pages swapped out */ | |
| 50 | unsigned v_pgin; /* pageins */ | |
| 51 | unsigned v_pgout; /* pageouts */ | |
| 52 | unsigned v_pgpgin; /* pages paged in */ | |
| 53 | unsigned v_pgpgout; /* pages paged out */ | |
| 54 | unsigned v_intrans; /* intransit blocking page faults */ | |
| 55 | unsigned v_pgrec; /* total page reclaims */ | |
| 56 | unsigned v_xsfrec; /* found in free list rather than on swapdev */ | |
| 57 | unsigned v_xifrec; /* found in free list rather than in filsys */ | |
| 58 | unsigned v_exfod; /* pages filled on demand from executables */ | |
| 59 | unsigned v_zfod; /* pages zero filled on demand */ | |
| 60 | unsigned v_vrfod; /* fills of pages mapped by vread() */ | |
| 61 | unsigned v_nexfod; /* number of exfod's created */ | |
| 62 | unsigned v_nzfod; /* number of zfod's created */ | |
| 63 | unsigned v_nvrfod; /* number of vrfod's created */ | |
| 64 | unsigned v_pgfrec; /* page reclaims from free list */ | |
| 65 | unsigned v_faults; /* total faults taken */ | |
| 66 | unsigned v_scan; /* scans in page out daemon */ | |
| 67 | unsigned v_rev; /* revolutions of the hand */ | |
| 68 | unsigned v_seqfree; /* pages taken from sequential programs */ | |
| 69 | unsigned v_dfree; /* pages freed by daemon */ | |
| 70 | unsigned v_fastpgrec; /* fast reclaims in locore */ | |
| 71 | #ifdef tahoe | |
| 72 | unsigned v_fpe; /* floating point emulation traps */ | |
| 73 | unsigned v_align; /* alignment emulation traps */ | |
| 74 | #endif | |
| 75 | #define v_last v_fastpgrec | |
| 76 | unsigned v_swpin; /* swapins */ | |
| 77 | unsigned v_swpout; /* swapouts */ | |
| 78 | }; | |
| 79 | #ifdef KERNEL | |
| 80 | struct vmmeter cnt, rate, sum; | |
| 81 | #endif | |
| 82 | ||
| 83 | /* systemwide totals computed every five seconds */ | |
| 84 | struct vmtotal | |
| 85 | { | |
| 86 | short t_rq; /* length of the run queue */ | |
| 87 | short t_dw; /* jobs in ``disk wait'' (neg priority) */ | |
| 88 | short t_pw; /* jobs in page wait */ | |
| 89 | short t_sl; /* jobs sleeping in core */ | |
| 90 | short t_sw; /* swapped out runnable/short block jobs */ | |
| 91 | long t_vm; /* total virtual memory */ | |
| 92 | long t_avm; /* active virtual memory */ | |
| 93 | long t_rm; /* total real memory in use */ | |
| 94 | long t_arm; /* active real memory */ | |
| 95 | long t_vmtxt; /* virtual memory used by text */ | |
| 96 | long t_avmtxt; /* active virtual memory used by text */ | |
| 97 | long t_rmtxt; /* real memory used by text */ | |
| 98 | long t_armtxt; /* active real memory used by text */ | |
| 99 | long t_free; /* free memory pages */ | |
| 100 | }; | |
| 101 | #ifdef KERNEL | |
| 102 | struct vmtotal total; | |
| 103 | #endif | |
| 104 | ||
| 105 | /* | |
| 106 | * Optional instrumentation. | |
| 107 | */ | |
| 108 | #ifdef PGINPROF | |
| 109 | ||
| 110 | #define NDMON 128 | |
| 111 | #define NSMON 128 | |
| 112 | ||
| 113 | #define DRES 20 | |
| 114 | #define SRES 5 | |
| 115 | ||
| 116 | #define PMONMIN 20 | |
| 117 | #define PRES 50 | |
| 118 | #define NPMON 64 | |
| 119 | ||
| 120 | #define RMONMIN 130 | |
| 121 | #define RRES 5 | |
| 122 | #define NRMON 64 | |
| 123 | ||
| 124 | /* data and stack size distribution counters */ | |
| 125 | unsigned int dmon[NDMON+1]; | |
| 126 | unsigned int smon[NSMON+1]; | |
| 127 | ||
| 128 | /* page in time distribution counters */ | |
| 129 | unsigned int pmon[NPMON+2]; | |
| 130 | ||
| 131 | /* reclaim time distribution counters */ | |
| 132 | unsigned int rmon[NRMON+2]; | |
| 133 | ||
| 134 | int pmonmin; | |
| 135 | int pres; | |
| 136 | int rmonmin; | |
| 137 | int rres; | |
| 138 | ||
| 139 | unsigned rectime; /* accumulator for reclaim times */ | |
| 140 | unsigned pgintime; /* accumulator for page in times */ | |
| 141 | #endif |