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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * @OSF_COPYRIGHT@
24: */
25: /*
26: * HISTORY
27: *
28: * Revision 1.1.1.1 1998/09/22 21:05:31 wsanchez
29: * Import of Mac OS X kernel (~semeria)
30: *
31: * Revision 1.1.1.1 1998/03/07 02:25:46 wsanchez
32: * Import of OSF Mach kernel (~mburg)
33: *
34: * Revision 1.2.12.2 1995/01/06 19:52:25 devrcs
35: * mk6 CR668 - 1.3b26 merge
36: * added vm stats
37: * [1994/10/14 03:43:30 dwm]
38: *
39: * Revision 1.2.12.1 1994/09/23 02:44:40 ezf
40: * change marker to not FREE
41: * [1994/09/22 21:43:49 ezf]
42: *
43: * Revision 1.2.4.4 1993/08/03 18:30:01 gm
44: * CR9596: Change KERNEL to MACH_KERNEL.
45: * [1993/08/02 18:58:32 gm]
46: *
47: * Revision 1.2.4.3 1993/06/15 20:28:27 brezak
48: * Make xxx_vm_statistic for now.
49: * [1993/06/14 14:11:07 brezak]
50: *
51: * Revision 1.2.2.2 1993/06/08 19:03:02 brezak
52: * Remove page_size from vm_statistics.
53: *
54: * Revision 1.1.4.2 1993/06/02 23:49:41 jeffc
55: * Added to OSF/1 R1.3 from NMK15.0.
56: * [1993/06/02 21:18:54 jeffc]
57: *
58: * Revision 1.2 1993/04/19 16:40:55 devrcs
59: * ansi C conformance changes
60: * [1993/02/02 18:55:38 david]
61: *
62: * Revision 1.1 1992/09/30 02:32:30 robert
63: * Initial revision
64: *
65: * $EndLog$
66: */
67: /* CMU_HIST */
68: /*
69: * Revision 2.3 91/05/14 17:03:07 mrt
70: * Correcting copyright
71: *
72: * Revision 2.2 91/02/05 17:37:41 mrt
73: * Changed to new Mach copyright
74: * [91/02/01 17:22:49 mrt]
75: *
76: * Revision 2.1 89/08/03 16:06:55 rwd
77: * Created.
78: *
79: * Revision 2.4 89/02/25 18:42:35 gm0w
80: * Changes for cleanup.
81: *
82: * Revision 2.3 89/02/07 00:54:39 mwyoung
83: * Relocated from sys/vm_statistics.h
84: *
85: * Revision 2.2 89/01/30 22:08:54 rpd
86: * Made variable declarations use "extern".
87: * [89/01/25 15:26:30 rpd]
88: *
89: * 30-Sep-86 Avadis Tevanian (avie) at Carnegie-Mellon University
90: * Changed "reclaim" to "inactive."
91: *
92: * 22-Aug-86 Michael Young (mwyoung) at Carnegie-Mellon University
93: * Made vm_stat structure kernel-only.
94: *
95: * 22-May-86 Avadis Tevanian (avie) at Carnegie-Mellon University
96: * Defined vm_statistics_data_t as a real typedef so that
97: * MatchMaker can deal with it.
98: *
99: * 14-Feb-86 Avadis Tevanian (avie) at Carnegie-Mellon University
100: * Created.
101: *
102: */
103: /* CMU_ENDHIST */
104: /*
105: * Mach Operating System
106: * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
107: * All Rights Reserved.
108: *
109: * Permission to use, copy, modify and distribute this software and its
110: * documentation is hereby granted, provided that both the copyright
111: * notice and this permission notice appear in all copies of the
112: * software, derivative works or modified versions, and any portions
113: * thereof, and that both notices appear in supporting documentation.
114: *
115: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
116: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
117: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
118: *
119: * Carnegie Mellon requests users of this software to return to
120: *
121: * Software Distribution Coordinator or [email protected]
122: * School of Computer Science
123: * Carnegie Mellon University
124: * Pittsburgh PA 15213-3890
125: *
126: * any improvements or extensions that they make and grant Carnegie Mellon
127: * the rights to redistribute these changes.
128: */
129: /*
130: */
131: /*
132: * File: mach/vm_statistics.h
133: * Author: Avadis Tevanian, Jr., Michael Wayne Young, David Golub
134: *
135: * Virtual memory statistics structure.
136: *
137: */
138:
139: #ifndef VM_STATISTICS_H_
140: #define VM_STATISTICS_H_
141:
142: #include <mach/machine/vm_types.h>
143:
144: struct vm_statistics {
145: integer_t free_count; /* # of pages free */
146: integer_t active_count; /* # of pages active */
147: integer_t inactive_count; /* # of pages inactive */
148: integer_t wire_count; /* # of pages wired down */
149: integer_t zero_fill_count; /* # of zero fill pages */
150: integer_t reactivations; /* # of pages reactivated */
151: integer_t pageins; /* # of pageins */
152: integer_t pageouts; /* # of pageouts */
153: integer_t faults; /* # of faults */
154: integer_t cow_faults; /* # of copy-on-writes */
155: integer_t lookups; /* object cache lookups */
156: integer_t hits; /* object cache hits */
157: };
158:
159: typedef struct vm_statistics *vm_statistics_t;
160: typedef struct vm_statistics vm_statistics_data_t;
161:
162:
163: /* included for the vm_map_page_query call */
164:
165: #define VM_PAGE_QUERY_PAGE_PRESENT 0x1
166: #define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2
167: #define VM_PAGE_QUERY_PAGE_REF 0x4
168: #define VM_PAGE_QUERY_PAGE_DIRTY 0x8
169:
170:
171: /*
172: * Each machine dependent implementation is expected to
173: * keep certain statistics. They may do this anyway they
174: * so choose, but are expected to return the statistics
175: * in the following structure.
176: */
177:
178: struct pmap_statistics {
179: integer_t resident_count; /* # of pages mapped (total)*/
180: integer_t wired_count; /* # of pages wired */
181: };
182:
183: typedef struct pmap_statistics *pmap_statistics_t;
184:
185: #define VM_FLAGS_ANYWHERE 0x1
186: #define VM_FLAGS_ALIAS_MASK 0xFF000000
187: #define VM_GET_FLAGS_ALIAS(flags, alias) \
188: (alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24
189: #define VM_SET_FLAGS_ALIAS(flags, alias) \
190: (flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) | \
191: (((alias) & ~VM_FLAGS_ALIAS_MASK) << 24))
192:
193: #endif /* VM_STATISTICS_H_ */
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