home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 1991 Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * The Mach Operating System project at Carnegie-Mellon University.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)vm_statistics.h 7.2 (Berkeley) 4/21/91
- *
- *
- * Copyright (c) 1987, 1990 Carnegie-Mellon University.
- * All rights reserved.
- *
- * Authors: Avadis Tevanian, Jr., Michael Wayne Young, David Golub
- *
- * 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 the
- * rights to redistribute these changes.
- */
-
- /*
- * Virtual memory statistics structure.
- */
-
- #ifndef _VM_STATISTICS_
- #define _VM_STATISTICS_
-
- struct vm_statistics {
- long pagesize; /* page size in bytes */
- long free_count; /* # of pages free */
- long active_count; /* # of pages active */
- long inactive_count; /* # of pages inactive */
- long wire_count; /* # of pages wired down */
- long zero_fill_count; /* # of zero fill pages */
- long reactivations; /* # of pages reactivated */
- long pageins; /* # of pageins */
- long pageouts; /* # of pageouts */
- long faults; /* # of faults */
- long cow_faults; /* # of copy-on-writes */
- long lookups; /* object cache lookups */
- long hits; /* object cache hits */
- };
-
- typedef struct vm_statistics *vm_statistics_t;
- typedef struct vm_statistics vm_statistics_data_t;
-
- #ifdef KERNEL
- 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 {
- long resident_count; /* # of pages mapped (total)*/
- long wired_count; /* # of pages wired */
- };
-
- typedef struct pmap_statistics *pmap_statistics_t;
- #endif _VM_STATISTICS_
-