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- /*
- * 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@
- */
- /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
- /*-
- * Copyright (c) 1982, 1986, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * 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.
- *
- * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94
- */
-
- #ifndef _SYS_VMMETER_H_
- #define _SYS_VMMETER_H_
-
- /*
- * System wide statistics counters.
- */
- struct vmmeter {
- /*
- * General system activity.
- */
- u_int v_swtch; /* context switches */
- u_int v_trap; /* calls to trap */
- u_int v_syscall; /* calls to syscall() */
- u_int v_intr; /* device interrupts */
- u_int v_soft; /* software interrupts */
- u_int v_faults; /* total faults taken */
- /*
- * Virtual memory activity.
- */
- u_int v_lookups; /* object cache lookups */
- u_int v_hits; /* object cache hits */
- u_int v_vm_faults; /* number of address memory faults */
- u_int v_cow_faults; /* number of copy-on-writes */
- u_int v_swpin; /* swapins */
- u_int v_swpout; /* swapouts */
- u_int v_pswpin; /* pages swapped in */
- u_int v_pswpout; /* pages swapped out */
- u_int v_pageins; /* number of pageins */
- u_int v_pageouts; /* number of pageouts */
- u_int v_pgpgin; /* pages paged in */
- u_int v_pgpgout; /* pages paged out */
- u_int v_intrans; /* intransit blocking page faults */
- u_int v_reactivated; /* number of pages reactivated from free list */
- u_int v_rev; /* revolutions of the hand */
- u_int v_scan; /* scans in page out daemon */
- u_int v_dfree; /* pages freed by daemon */
- u_int v_pfree; /* pages freed by exiting processes */
- u_int v_zfod; /* pages zero filled on demand */
- u_int v_nzfod; /* number of zfod's created */
- /*
- * Distribution of page usages.
- */
- u_int v_page_size; /* page size in bytes */
- u_int v_kernel_pages; /* number of pages in use by kernel */
- u_int v_free_target; /* number of pages desired free */
- u_int v_free_min; /* minimum number of pages desired free */
- u_int v_free_count; /* number of pages free */
- u_int v_wire_count; /* number of pages wired down */
- u_int v_active_count; /* number of pages active */
- u_int v_inactive_target; /* number of pages desired inactive */
- u_int v_inactive_count; /* number of pages inactive */
- };
- #ifdef KERNEL
- extern struct vmmeter cnt;
- #endif
-
- /* systemwide totals computed every five seconds */
- struct vmtotal
- {
- int16_t t_rq; /* length of the run queue */
- int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */
- int16_t t_pw; /* jobs in page wait */
- int16_t t_sl; /* jobs sleeping in core */
- int16_t t_sw; /* swapped out runnable/short block jobs */
- int32_t t_vm; /* total virtual memory */
- int32_t t_avm; /* active virtual memory */
- int32_t t_rm; /* total real memory in use */
- int32_t t_arm; /* active real memory */
- int32_t t_vmshr; /* shared virtual memory */
- int32_t t_avmshr; /* active shared virtual memory */
- int32_t t_rmshr; /* shared real memory */
- int32_t t_armshr; /* active shared real memory */
- int32_t t_free; /* free memory pages */
- };
- #ifdef KERNEL
- extern struct vmtotal total;
- #endif
-
- #endif /* !_SYS_VMMETER_H_ */
-