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/* $OpenBSD: vmmeter.h,v 1.15 2016/07/27 14:44:59 tedu Exp $ */
/* $NetBSD: vmmeter.h,v 1.9 1995/03/26 20:25:04 jtc Exp $ */
/*-
* 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. 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 __VMMETER_H__
#define __VMMETER_H__
/*
* System wide statistics counters. Look in <uvm/uvm_extern.h> for the
* UVM equivalent.
*/
/* systemwide totals computed every five seconds */
struct vmtotal {
u_int16_t t_rq; /* length of the run queue */
u_int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */
u_int16_t t_pw; /* jobs in page wait */
u_int16_t t_sl; /* jobs sleeping in core */
u_int16_t t_sw; /* swapped out runnable/short block jobs */
u_int32_t t_vm; /* total virtual memory */
u_int32_t t_avm; /* active virtual memory */
u_int32_t t_rm; /* total real memory in use */
u_int32_t t_arm; /* active real memory */
u_int32_t t_vmshr; /* shared virtual memory */
u_int32_t t_avmshr; /* active shared virtual memory */
u_int32_t t_rmshr; /* shared real memory */
u_int32_t t_armshr; /* active shared real memory */
u_int32_t t_free; /* free memory pages */
};
/*
* Fork/vfork/__tfork accounting.
*/
struct forkstat {
uint32_t cntfork; /* number of fork() calls */
uint32_t cntvfork; /* number of vfork() calls */
uint32_t cnttfork; /* number of __tfork() calls */
uint32_t cntkthread; /* number of kernel threads created */
uint64_t sizfork; /* VM pages affected by fork() */
uint64_t sizvfork; /* VM pages affected by vfork() */
uint64_t siztfork; /* VM pages affected by __tfork() */
uint64_t sizkthread; /* VM pages affected by kernel threads */
};
/* These sysctl names are only really used by sysctl(8) */
#define KERN_FORKSTAT_FORK 1
#define KERN_FORKSTAT_VFORK 2
#define KERN_FORKSTAT_TFORK 3
#define KERN_FORKSTAT_KTHREAD 4
#define KERN_FORKSTAT_SIZFORK 5
#define KERN_FORKSTAT_SIZVFORK 6
#define KERN_FORKSTAT_SIZTFORK 7
#define KERN_FORKSTAT_SIZKTHREAD 8
#define KERN_FORKSTAT_MAXID 9
#define CTL_KERN_FORKSTAT_NAMES { \
{ 0, 0 }, \
{ "forks", CTLTYPE_INT }, \
{ "vforks", CTLTYPE_INT }, \
{ "tforks", CTLTYPE_INT }, \
{ "kthreads", CTLTYPE_INT }, \
{ "fork_pages", CTLTYPE_INT }, \
{ "vfork_pages", CTLTYPE_INT }, \
{ "tfork_pages", CTLTYPE_INT }, \
{ "kthread_pages", CTLTYPE_INT }, \
}
#endif /* __VMMETER_H__ */
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