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
69#ifdef __APPLE_API_OBSOLETE
70/*
71 * System wide statistics counters.
72 */
73struct vmmeter {
74 /*
75 * General system activity.
76 */
77 unsigned int v_swtch; /* context switches */
78 unsigned int v_trap; /* calls to trap */
79 unsigned int v_syscall; /* calls to syscall() */
80 unsigned int v_intr; /* device interrupts */
81 unsigned int v_soft; /* software interrupts */
82 unsigned int v_faults; /* total faults taken */
83 /*
84 * Virtual memory activity.
85 */
86 unsigned int v_lookups; /* object cache lookups */
87 unsigned int v_hits; /* object cache hits */
88 unsigned int v_vm_faults; /* number of address memory faults */
89 unsigned int v_cow_faults; /* number of copy-on-writes */
90 unsigned int v_swpin; /* swapins */
91 unsigned int v_swpout; /* swapouts */
92 unsigned int v_pswpin; /* pages swapped in */
93 unsigned int v_pswpout; /* pages swapped out */
94 unsigned int v_pageins; /* number of pageins */
95 unsigned int v_pageouts; /* number of pageouts */
96 unsigned int v_pgpgin; /* pages paged in */
97 unsigned int v_pgpgout; /* pages paged out */
98 unsigned int v_intrans; /* intransit blocking page faults */
99 unsigned int v_reactivated; /* number of pages reactivated from free list */
100 unsigned int v_rev; /* revolutions of the hand */
101 unsigned int v_scan; /* scans in page out daemon */
102 unsigned int v_dfree; /* pages freed by daemon */
103 unsigned int v_pfree; /* pages freed by exiting processes */
104 unsigned int v_zfod; /* pages zero filled on demand */
105 unsigned int v_nzfod; /* number of zfod's created */
106 /*
107 * Distribution of page usages.
108 */
109 unsigned int v_page_size; /* page size in bytes */
110 unsigned int v_kernel_pages; /* number of pages in use by kernel */
111 unsigned int v_free_target; /* number of pages desired free */
112 unsigned int v_free_min; /* minimum number of pages desired free */
113 unsigned int v_free_count; /* number of pages free */
114 unsigned int v_wire_count; /* number of pages wired down */
115 unsigned int v_active_count; /* number of pages active */
116 unsigned int v_inactive_target; /* number of pages desired inactive */
117 unsigned int v_inactive_count; /* number of pages inactive */
118};
119
120/* systemwide totals computed every five seconds */
121struct vmtotal
122{
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
139extern struct vmtotal total;
140#endif
141
142#endif /*__APPLE_API_OBSOLETE */
143
144#endif /* !_SYS_VMMETER_H_ */
145