gems-kernel/source/THIRDPARTY/xnu/bsd/sys/vmmeter.h
2024-06-03 11:29:39 -05:00

144 lines
6.5 KiB
C

/*
* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_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_
#include <sys/appleapiopts.h>
#include <stdint.h>
#ifdef __APPLE_API_OBSOLETE
/*
* System wide statistics counters.
*/
struct vmmeter {
/*
* General system activity.
*/
unsigned int v_swtch; /* context switches */
unsigned int v_trap; /* calls to trap */
unsigned int v_syscall; /* calls to syscall() */
unsigned int v_intr; /* device interrupts */
unsigned int v_soft; /* software interrupts */
unsigned int v_faults; /* total faults taken */
/*
* Virtual memory activity.
*/
unsigned int v_lookups; /* object cache lookups */
unsigned int v_hits; /* object cache hits */
unsigned int v_vm_faults; /* number of address memory faults */
unsigned int v_cow_faults; /* number of copy-on-writes */
unsigned int v_swpin; /* swapins */
unsigned int v_swpout; /* swapouts */
unsigned int v_pswpin; /* pages swapped in */
unsigned int v_pswpout; /* pages swapped out */
unsigned int v_pageins; /* number of pageins */
unsigned int v_pageouts; /* number of pageouts */
unsigned int v_pgpgin; /* pages paged in */
unsigned int v_pgpgout; /* pages paged out */
unsigned int v_intrans; /* intransit blocking page faults */
unsigned int v_reactivated; /* number of pages reactivated from free list */
unsigned int v_rev; /* revolutions of the hand */
unsigned int v_scan; /* scans in page out daemon */
unsigned int v_dfree; /* pages freed by daemon */
unsigned int v_pfree; /* pages freed by exiting processes */
unsigned int v_zfod; /* pages zero filled on demand */
unsigned int v_nzfod; /* number of zfod's created */
/*
* Distribution of page usages.
*/
unsigned int v_page_size; /* page size in bytes */
unsigned int v_kernel_pages; /* number of pages in use by kernel */
unsigned int v_free_target; /* number of pages desired free */
unsigned int v_free_min; /* minimum number of pages desired free */
unsigned int v_free_count; /* number of pages free */
unsigned int v_wire_count; /* number of pages wired down */
unsigned int v_active_count; /* number of pages active */
unsigned int v_inactive_target; /* number of pages desired inactive */
unsigned int v_inactive_count; /* number of pages inactive */
};
/* 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 /*__APPLE_API_OBSOLETE */
#endif /* !_SYS_VMMETER_H_ */