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/*-
* 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 8.1 (Berkeley) 6/2/93
*/
/*
* System wide statistics counters.
*/
struct vmmeter {
/*
* General system activity.
*/
unsigned v_swtch; /* context switches */
unsigned v_trap; /* calls to trap */
unsigned v_syscall; /* calls to syscall() */
unsigned v_intr; /* device interrupts */
unsigned v_soft; /* software interrupts */
unsigned v_faults; /* total faults taken */
/*
* Virtual memory activity.
*/
unsigned v_lookups; /* object cache lookups */
unsigned v_hits; /* object cache hits */
unsigned v_vm_faults; /* number of address memory faults */
unsigned v_cow_faults; /* number of copy-on-writes */
unsigned v_swpin; /* swapins */
unsigned v_swpout; /* swapouts */
unsigned v_pswpin; /* pages swapped in */
unsigned v_pswpout; /* pages swapped out */
unsigned v_pageins; /* number of pageins */
unsigned v_pageouts; /* number of pageouts */
unsigned v_pgpgin; /* pages paged in */
unsigned v_pgpgout; /* pages paged out */
unsigned v_intrans; /* intransit blocking page faults */
unsigned v_reactivated; /* number of pages reactivated from free list */
unsigned v_rev; /* revolutions of the hand */
unsigned v_scan; /* scans in page out daemon */
unsigned v_dfree; /* pages freed by daemon */
unsigned v_pfree; /* pages freed by exiting processes */
unsigned v_zfod; /* pages zero filled on demand */
unsigned v_nzfod; /* number of zfod's created */
/*
* Distribution of page usages.
*/
unsigned v_page_size; /* page size in bytes */
unsigned v_kernel_pages;/* number of pages in use by kernel */
unsigned v_page_count; /* total number of pages in system */
unsigned v_free_reserved; /* number of pages reserved for deadlock */
unsigned v_free_target; /* number of pages desired free */
unsigned v_free_min; /* minimum number of pages desired free */
unsigned v_free_count; /* number of pages free */
unsigned v_wire_count; /* number of pages wired down */
unsigned v_active_count;/* number of pages active */
unsigned v_inactive_target; /* number of pages desired inactive */
unsigned v_inactive_count; /* number of pages inactive */
};
#ifdef KERNEL
struct vmmeter cnt;
#endif
/* systemwide totals computed every five seconds */
struct vmtotal
{
short t_rq; /* length of the run queue */
short t_dw; /* jobs in ``disk wait'' (neg priority) */
short t_pw; /* jobs in page wait */
short t_sl; /* jobs sleeping in core */
short t_sw; /* swapped out runnable/short block jobs */
long t_vm; /* total virtual memory */
long t_avm; /* active virtual memory */
long t_rm; /* total real memory in use */
long t_arm; /* active real memory */
long t_vmshr; /* shared virtual memory */
long t_avmshr; /* active shared virtual memory */
long t_rmshr; /* shared real memory */
long t_armshr; /* active shared real memory */
long t_free; /* free memory pages */
};
#ifdef KERNEL
struct vmtotal total;
#endif
/*
* Optional instrumentation.
*/
#ifdef PGINPROF
#define NDMON 128
#define NSMON 128
#define DRES 20
#define SRES 5
#define PMONMIN 20
#define PRES 50
#define NPMON 64
#define RMONMIN 130
#define RRES 5
#define NRMON 64
/* data and stack size distribution counters */
unsigned int dmon[NDMON+1];
unsigned int smon[NSMON+1];
/* page in time distribution counters */
unsigned int pmon[NPMON+2];
/* reclaim time distribution counters */
unsigned int rmon[NRMON+2];
int pmonmin;
int pres;
int rmonmin;
int rres;
unsigned rectime; /* accumulator for reclaim times */
unsigned pgintime; /* accumulator for page in times */
#endif
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