projects / unix-history / blame
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| af359dea C |
1 | /* |
| 2 | * Copyright (c) 1991 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * The Mach Operating System project at Carnegie-Mellon University. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| 35 | * | |
| 36 | * @(#)vm_statistics.h 7.2 (Berkeley) 4/21/91 | |
| 37 | * | |
| 38 | * | |
| 39 | * Copyright (c) 1987, 1990 Carnegie-Mellon University. | |
| 40 | * All rights reserved. | |
| 41 | * | |
| 42 | * Authors: Avadis Tevanian, Jr., Michael Wayne Young, David Golub | |
| 43 | * | |
| 44 | * Permission to use, copy, modify and distribute this software and | |
| 45 | * its documentation is hereby granted, provided that both the copyright | |
| 46 | * notice and this permission notice appear in all copies of the | |
| 47 | * software, derivative works or modified versions, and any portions | |
| 48 | * thereof, and that both notices appear in supporting documentation. | |
| 49 | * | |
| 50 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" | |
| 51 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND | |
| 52 | * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. | |
| 53 | * | |
| 54 | * Carnegie Mellon requests users of this software to return to | |
| 55 | * | |
| 56 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU | |
| 57 | * School of Computer Science | |
| 58 | * Carnegie Mellon University | |
| 59 | * Pittsburgh PA 15213-3890 | |
| 60 | * | |
| 61 | * any improvements or extensions that they make and grant Carnegie the | |
| 62 | * rights to redistribute these changes. | |
| 63 | */ | |
| 64 | ||
| 65 | /* | |
| 66 | * Virtual memory statistics structure. | |
| 67 | */ | |
| 68 | ||
| 69 | #ifndef _VM_STATISTICS_ | |
| 70 | #define _VM_STATISTICS_ | |
| 71 | ||
| 72 | struct vm_statistics { | |
| 73 | long pagesize; /* page size in bytes */ | |
| 74 | long free_count; /* # of pages free */ | |
| 75 | long active_count; /* # of pages active */ | |
| 76 | long inactive_count; /* # of pages inactive */ | |
| 77 | long wire_count; /* # of pages wired down */ | |
| 78 | long zero_fill_count; /* # of zero fill pages */ | |
| 79 | long reactivations; /* # of pages reactivated */ | |
| 80 | long pageins; /* # of pageins */ | |
| 81 | long pageouts; /* # of pageouts */ | |
| 82 | long faults; /* # of faults */ | |
| 83 | long cow_faults; /* # of copy-on-writes */ | |
| 84 | long lookups; /* object cache lookups */ | |
| 85 | long hits; /* object cache hits */ | |
| 86 | }; | |
| 87 | ||
| 88 | typedef struct vm_statistics *vm_statistics_t; | |
| 89 | typedef struct vm_statistics vm_statistics_data_t; | |
| 90 | ||
| 91 | #ifdef KERNEL | |
| 92 | vm_statistics_data_t vm_stat; | |
| 93 | #endif KERNEL | |
| 94 | ||
| 95 | /* | |
| 96 | * Each machine dependent implementation is expected to | |
| 97 | * keep certain statistics. They may do this anyway they | |
| 98 | * so choose, but are expected to return the statistics | |
| 99 | * in the following structure. | |
| 100 | */ | |
| 101 | ||
| 102 | struct pmap_statistics { | |
| 103 | long resident_count; /* # of pages mapped (total)*/ | |
| 104 | long wired_count; /* # of pages wired */ | |
| 105 | }; | |
| 106 | ||
| 107 | typedef struct pmap_statistics *pmap_statistics_t; | |
| 108 | #endif _VM_STATISTICS_ |