Source to osfmk/mach/vm_statistics.h
/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* The contents of this file constitute Original Code as defined in and
* are subject to the Apple Public Source License Version 1.1 (the
* "License"). You may not use this file except in compliance with the
* License. Please obtain a copy of the License at
* http://www.apple.com/publicsource and read it before using this file.
*
* This Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
/*
* HISTORY
*
* Revision 1.1.1.1 1998/09/22 21:05:31 wsanchez
* Import of Mac OS X kernel (~semeria)
*
* Revision 1.1.1.1 1998/03/07 02:25:46 wsanchez
* Import of OSF Mach kernel (~mburg)
*
* Revision 1.2.12.2 1995/01/06 19:52:25 devrcs
* mk6 CR668 - 1.3b26 merge
* added vm stats
* [1994/10/14 03:43:30 dwm]
*
* Revision 1.2.12.1 1994/09/23 02:44:40 ezf
* change marker to not FREE
* [1994/09/22 21:43:49 ezf]
*
* Revision 1.2.4.4 1993/08/03 18:30:01 gm
* CR9596: Change KERNEL to MACH_KERNEL.
* [1993/08/02 18:58:32 gm]
*
* Revision 1.2.4.3 1993/06/15 20:28:27 brezak
* Make xxx_vm_statistic for now.
* [1993/06/14 14:11:07 brezak]
*
* Revision 1.2.2.2 1993/06/08 19:03:02 brezak
* Remove page_size from vm_statistics.
*
* Revision 1.1.4.2 1993/06/02 23:49:41 jeffc
* Added to OSF/1 R1.3 from NMK15.0.
* [1993/06/02 21:18:54 jeffc]
*
* Revision 1.2 1993/04/19 16:40:55 devrcs
* ansi C conformance changes
* [1993/02/02 18:55:38 david]
*
* Revision 1.1 1992/09/30 02:32:30 robert
* Initial revision
*
* $EndLog$
*/
/* CMU_HIST */
/*
* Revision 2.3 91/05/14 17:03:07 mrt
* Correcting copyright
*
* Revision 2.2 91/02/05 17:37:41 mrt
* Changed to new Mach copyright
* [91/02/01 17:22:49 mrt]
*
* Revision 2.1 89/08/03 16:06:55 rwd
* Created.
*
* Revision 2.4 89/02/25 18:42:35 gm0w
* Changes for cleanup.
*
* Revision 2.3 89/02/07 00:54:39 mwyoung
* Relocated from sys/vm_statistics.h
*
* Revision 2.2 89/01/30 22:08:54 rpd
* Made variable declarations use "extern".
* [89/01/25 15:26:30 rpd]
*
* 30-Sep-86 Avadis Tevanian (avie) at Carnegie-Mellon University
* Changed "reclaim" to "inactive."
*
* 22-Aug-86 Michael Young (mwyoung) at Carnegie-Mellon University
* Made vm_stat structure kernel-only.
*
* 22-May-86 Avadis Tevanian (avie) at Carnegie-Mellon University
* Defined vm_statistics_data_t as a real typedef so that
* MatchMaker can deal with it.
*
* 14-Feb-86 Avadis Tevanian (avie) at Carnegie-Mellon University
* Created.
*
*/
/* CMU_ENDHIST */
/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or [email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
*/
/*
* File: mach/vm_statistics.h
* Author: Avadis Tevanian, Jr., Michael Wayne Young, David Golub
*
* Virtual memory statistics structure.
*
*/
#ifndef VM_STATISTICS_H_
#define VM_STATISTICS_H_
#include <mach/machine/vm_types.h>
struct vm_statistics {
integer_t free_count; /* # of pages free */
integer_t active_count; /* # of pages active */
integer_t inactive_count; /* # of pages inactive */
integer_t wire_count; /* # of pages wired down */
integer_t zero_fill_count; /* # of zero fill pages */
integer_t reactivations; /* # of pages reactivated */
integer_t pageins; /* # of pageins */
integer_t pageouts; /* # of pageouts */
integer_t faults; /* # of faults */
integer_t cow_faults; /* # of copy-on-writes */
integer_t lookups; /* object cache lookups */
integer_t hits; /* object cache hits */
};
typedef struct vm_statistics *vm_statistics_t;
typedef struct vm_statistics vm_statistics_data_t;
/* included for the vm_map_page_query call */
#define VM_PAGE_QUERY_PAGE_PRESENT 0x1
#define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2
#define VM_PAGE_QUERY_PAGE_REF 0x4
#define VM_PAGE_QUERY_PAGE_DIRTY 0x8
/*
* Each machine dependent implementation is expected to
* keep certain statistics. They may do this anyway they
* so choose, but are expected to return the statistics
* in the following structure.
*/
struct pmap_statistics {
integer_t resident_count; /* # of pages mapped (total)*/
integer_t wired_count; /* # of pages wired */
};
typedef struct pmap_statistics *pmap_statistics_t;
#define VM_FLAGS_ANYWHERE 0x1
#define VM_FLAGS_ALIAS_MASK 0xFF000000
#define VM_GET_FLAGS_ALIAS(flags, alias) \
(alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24
#define VM_SET_FLAGS_ALIAS(flags, alias) \
(flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) | \
(((alias) & ~VM_FLAGS_ALIAS_MASK) << 24))
#endif /* VM_STATISTICS_H_ */