![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to vm_statistics.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Net/2] / Net2 / vm|
Return to vm_statistics.h CVS log | Up to [Net/2] / Net2 / vm |
1.1 root 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: *
1.1.1.2 ! root 36: * from: @(#)vm_statistics.h 7.2 (Berkeley) 4/21/91
! 37: * vm_statistics.h,v 1.3 1993/05/20 03:59:46 cgd Exp
1.1 root 38: *
39: *
40: * Copyright (c) 1987, 1990 Carnegie-Mellon University.
41: * All rights reserved.
42: *
43: * Authors: Avadis Tevanian, Jr., Michael Wayne Young, David Golub
44: *
45: * Permission to use, copy, modify and distribute this software and
46: * its documentation is hereby granted, provided that both the copyright
47: * notice and this permission notice appear in all copies of the
48: * software, derivative works or modified versions, and any portions
49: * thereof, and that both notices appear in supporting documentation.
50: *
51: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
52: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
53: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
54: *
55: * Carnegie Mellon requests users of this software to return to
56: *
57: * Software Distribution Coordinator or [email protected]
58: * School of Computer Science
59: * Carnegie Mellon University
60: * Pittsburgh PA 15213-3890
61: *
62: * any improvements or extensions that they make and grant Carnegie the
63: * rights to redistribute these changes.
64: */
65:
1.1.1.2 ! root 66: #ifndef _VM_VM_STATISTICS_H_
! 67: #define _VM_VM_STATISTICS_H_
! 68:
1.1 root 69: /*
70: * Virtual memory statistics structure.
71: */
72:
73: struct vm_statistics {
74: long pagesize; /* page size in bytes */
75: long free_count; /* # of pages free */
76: long active_count; /* # of pages active */
77: long inactive_count; /* # of pages inactive */
78: long wire_count; /* # of pages wired down */
79: long zero_fill_count; /* # of zero fill pages */
80: long reactivations; /* # of pages reactivated */
81: long pageins; /* # of pageins */
82: long pageouts; /* # of pageouts */
83: long faults; /* # of faults */
84: long cow_faults; /* # of copy-on-writes */
85: long lookups; /* object cache lookups */
86: long hits; /* object cache hits */
87: };
88:
89: typedef struct vm_statistics *vm_statistics_t;
90: typedef struct vm_statistics vm_statistics_data_t;
91:
92: #ifdef KERNEL
93: vm_statistics_data_t vm_stat;
94: #endif KERNEL
95:
96: /*
97: * Each machine dependent implementation is expected to
98: * keep certain statistics. They may do this anyway they
99: * so choose, but are expected to return the statistics
100: * in the following structure.
101: */
102:
103: struct pmap_statistics {
104: long resident_count; /* # of pages mapped (total)*/
105: long wired_count; /* # of pages wired */
106: };
107:
108: typedef struct pmap_statistics *pmap_statistics_t;
1.1.1.2 ! root 109:
! 110: #endif /* !_VM_VM_STATISTICS_H_ */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.