1 /* 2 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29 /*- 30 * Copyright (c) 1982, 1986, 1993 31 * The Regents of the University of California. All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 3. All advertising materials mentioning features or use of this software 42 * must display the following acknowledgement: 43 * This product includes software developed by the University of 44 * California, Berkeley and its contributors. 45 * 4. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 * 61 * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94 62 */ 63 64 #ifndef _SYS_VMMETER_H_ 65 #define _SYS_VMMETER_H_ 66 67 #include <sys/appleapiopts.h> 68 #include <stdint.h> 69 70 #ifdef __APPLE_API_OBSOLETE 71 /* 72 * System wide statistics counters. 73 */ 74 struct vmmeter { 75 /* 76 * General system activity. 77 */ 78 unsigned int v_swtch; /* context switches */ 79 unsigned int v_trap; /* calls to trap */ 80 unsigned int v_syscall; /* calls to syscall() */ 81 unsigned int v_intr; /* device interrupts */ 82 unsigned int v_soft; /* software interrupts */ 83 unsigned int v_faults; /* total faults taken */ 84 /* 85 * Virtual memory activity. 86 */ 87 unsigned int v_lookups; /* object cache lookups */ 88 unsigned int v_hits; /* object cache hits */ 89 unsigned int v_vm_faults; /* number of address memory faults */ 90 unsigned int v_cow_faults; /* number of copy-on-writes */ 91 unsigned int v_swpin; /* swapins */ 92 unsigned int v_swpout; /* swapouts */ 93 unsigned int v_pswpin; /* pages swapped in */ 94 unsigned int v_pswpout; /* pages swapped out */ 95 unsigned int v_pageins; /* number of pageins */ 96 unsigned int v_pageouts; /* number of pageouts */ 97 unsigned int v_pgpgin; /* pages paged in */ 98 unsigned int v_pgpgout; /* pages paged out */ 99 unsigned int v_intrans; /* intransit blocking page faults */ 100 unsigned int v_reactivated; /* number of pages reactivated from free list */ 101 unsigned int v_rev; /* revolutions of the hand */ 102 unsigned int v_scan; /* scans in page out daemon */ 103 unsigned int v_dfree; /* pages freed by daemon */ 104 unsigned int v_pfree; /* pages freed by exiting processes */ 105 unsigned int v_zfod; /* pages zero filled on demand */ 106 unsigned int v_nzfod; /* number of zfod's created */ 107 /* 108 * Distribution of page usages. 109 */ 110 unsigned int v_page_size; /* page size in bytes */ 111 unsigned int v_kernel_pages; /* number of pages in use by kernel */ 112 unsigned int v_free_target; /* number of pages desired free */ 113 unsigned int v_free_min; /* minimum number of pages desired free */ 114 unsigned int v_free_count; /* number of pages free */ 115 unsigned int v_wire_count; /* number of pages wired down */ 116 unsigned int v_active_count; /* number of pages active */ 117 unsigned int v_inactive_target; /* number of pages desired inactive */ 118 unsigned int v_inactive_count; /* number of pages inactive */ 119 }; 120 121 /* systemwide totals computed every five seconds */ 122 struct vmtotal { 123 int16_t t_rq; /* length of the run queue */ 124 int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */ 125 int16_t t_pw; /* jobs in page wait */ 126 int16_t t_sl; /* jobs sleeping in core */ 127 int16_t t_sw; /* swapped out runnable/short block jobs */ 128 int32_t t_vm; /* total virtual memory */ 129 int32_t t_avm; /* active virtual memory */ 130 int32_t t_rm; /* total real memory in use */ 131 int32_t t_arm; /* active real memory */ 132 int32_t t_vmshr; /* shared virtual memory */ 133 int32_t t_avmshr; /* active shared virtual memory */ 134 int32_t t_rmshr; /* shared real memory */ 135 int32_t t_armshr; /* active shared real memory */ 136 int32_t t_free; /* free memory pages */ 137 }; 138 #ifdef KERNEL 139 extern struct vmtotal total; 140 #endif 141 142 #endif /*__APPLE_API_OBSOLETE */ 143 144 #endif /* !_SYS_VMMETER_H_ */ 145