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- /*
- * Mach Operating System
- * Copyright (c) 1992,1991,1990,1989,1988,1987 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 Software.Distribution@CS.CMU.EDU
- * 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.
- */
- /*
- * HISTORY
- * $Log: vm_statistics.h,v $
- * Revision 2.4 93/01/14 17:49:14 danner
- * Standardized include symbol name.
- * [92/06/10 pds]
- * 64bit cleanup.
- * [92/12/01 af]
- *
- * 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.
- *
- */
- /*
- * File: mach/vm_statistics.h
- * Author: Avadis Tevanian, Jr., Michael Wayne Young, David Golub
- *
- * Virtual memory statistics structure.
- *
- */
-
- #ifndef _MACH_VM_STATISTICS_H_
- #define _MACH_VM_STATISTICS_H_
-
- #import <mach/machine/vm_types.h>
-
- struct vm_statistics {
- integer_t pagesize; /* page size in bytes */
- 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;
-
- #ifdef KERNEL
- extern vm_statistics_data_t vm_stat;
- #endif /* KERNEL */
-
- /*
- * 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;
- #endif /* _MACH_VM_STATISTICS_H_ */
-