[dragonfly.git] / sys / sys / vmmeter.h

/*-
 * 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
 * $FreeBSD: src/sys/sys/vmmeter.h,v 1.21.2.2 2002/10/10 19:28:21 dillon Exp $
 * $DragonFly: src/sys/sys/vmmeter.h,v 1.10 2006/05/20 02:42:13 dillon Exp $
 */

#ifndef _SYS_VMMETER_H_
#define _SYS_VMMETER_H_

#ifndef _SYS_TYPES_H_
#include <sys/types.h>
#endif

/*
 * System wide statistics counters.
 */
struct vmmeter {
	/*
	 * General system activity.
	 */
#define vmmeter_uint_begin	v_swtch
	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_ipi;		/* inter processor interrupts */
	u_int v_timer;		/* LAPIC timer interrupts */
	u_int v_soft;		/* software interrupts */
	/*
	 * Virtual memory activity.
	 */
	u_int v_vm_faults;	/* number of address memory faults */
	u_int v_cow_faults;	/* number of copy-on-writes */
	u_int v_cow_optim;	/* number of optimized copy-on-writes */
	u_int v_zfod;		/* pages zero filled on demand */
	u_int v_ozfod;		/* optimized zero fill pages */
	u_int v_swapin;		/* swap pager pageins */
	u_int v_swapout;	/* swap pager pageouts */
	u_int v_swappgsin;	/* swap pager pages paged in */
	u_int v_swappgsout;	/* swap pager pages paged out */
	u_int v_vnodein;	/* vnode pager pageins */
	u_int v_vnodeout;	/* vnode pager pageouts */
	u_int v_vnodepgsin;	/* vnode_pager pages paged in */
	u_int v_vnodepgsout;	/* vnode pager 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_pdwakeups;	/* number of times daemon has awaken from sleep */
	u_int v_pdpages;	/* number of pages analyzed by daemon */

	u_int v_dfree;		/* pages freed by daemon */
	u_int v_pfree;		/* pages freed by exiting processes */
	u_int v_tfree;		/* total pages freed */
	/*
	 * Fork/vfork/rfork activity.
	 */
	u_int v_forks;		/* number of fork() calls */
	u_int v_vforks;		/* number of vfork() calls */
	u_int v_rforks;		/* number of rfork() calls */
	u_int v_exec;		/* number of exec() calls */
	u_int v_kthreads;	/* number of fork() calls by kernel */
	u_int v_forkpages;	/* number of VM pages affected by fork() */
	u_int v_vforkpages;	/* number of VM pages affected by vfork() */
	u_int v_rforkpages;	/* number of VM pages affected by rfork() */
	u_int v_kthreadpages;	/* number of VM pages affected by fork() by kernel */
	u_int v_intrans_coll;	/* intransit map collisions (total) */
	u_int v_intrans_wait;	/* intransit map collisions which blocked */
	u_int v_forwarded_ints; /* forwarded interrupts due to MP lock */
	u_int v_forwarded_hits;
	u_int v_forwarded_misses;
	u_int v_sendsys;	/* calls to sendsys() */
	u_int v_waitsys;	/* calls to waitsys() */
#define vmmeter_uint_end	v_waitsys
};

struct vmstats {
	/*
	 * Distribution of page usages.
	 */
	u_int v_page_size;	/* page size in bytes */
	u_int v_page_count;	/* total number of pages in system */
	u_int v_free_reserved;	/* number of pages reserved for deadlock */
	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 */
	u_int v_cache_count;	/* number of pages on buffer cache queue */
	u_int v_cache_min;	/* min number of pages desired on cache queue */
	u_int v_cache_max;	/* max number of pages in cached obj */
	u_int v_pageout_free_min;   /* min number pages reserved for kernel */
	u_int v_interrupt_free_min; /* reserved number of pages for int code */
	u_int v_free_severe;	/* severe depletion of pages below this pt */
};

#ifdef _KERNEL

/* note: vmmeter 'cnt' structure is now per-cpu */
extern struct vmstats vmstats;

#endif

/* systemwide totals computed every five seconds */
struct vmtotal
{
	long	t_rq;		/* length of the run queue */
	long	t_dw;		/* jobs in ``disk wait'' (neg priority) */
	long	t_pw;		/* jobs in page wait */
	long	t_sl;		/* jobs sleeping in core */
	long	t_sw;		/* swapped out runnable/short block jobs */
	int64_t	t_vm;		/* total virtual memory */
	int64_t	t_avm;		/* active virtual memory */
	long	t_rm;		/* total real memory in use */
	long	t_arm;		/* active real memory */
	int64_t	t_vmshr;	/* shared virtual memory */
	int64_t	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 PGINPROF
/*
 * Optional instrumentation.
 */

#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 */
u_int	dmon[NDMON+1];
u_int	smon[NSMON+1];

/* page in time distribution counters */
u_int	pmon[NPMON+2];

/* reclaim time distribution counters */
u_int	rmon[NRMON+2];

int	pmonmin;
int	pres;
int	rmonmin;
int	rres;

u_int rectime;		/* accumulator for reclaim times */
u_int pgintime;		/* accumulator for page in times */

#endif	/* PGINPROF */
#endif
Commit	Line	Data
984263bc MD	1	/*-
	2	* Copyright (c) 1982, 1986, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)vmmeter.h 8.2 (Berkeley) 7/10/94
	34	* $FreeBSD: src/sys/sys/vmmeter.h,v 1.21.2.2 2002/10/10 19:28:21 dillon Exp $
1bd40720	35	* $DragonFly: src/sys/sys/vmmeter.h,v 1.10 2006/05/20 02:42:13 dillon Exp $
984263bc MD	36	*/
	37
	38	#ifndef _SYS_VMMETER_H_
	39	#define _SYS_VMMETER_H_
	40
1bd40720 MD	41	#ifndef _SYS_TYPES_H_
	42	#include <sys/types.h>
	43	#endif
	44
984263bc MD	45	/*
	46	* System wide statistics counters.
	47	*/
	48	struct vmmeter {
	49	/*
	50	* General system activity.
	51	*/
6bdb32ed	52	#define vmmeter_uint_begin v_swtch
984263bc MD	53	u_int v_swtch; /* context switches */
	54	u_int v_trap; /* calls to trap */
	55	u_int v_syscall; /* calls to syscall() */
	56	u_int v_intr; /* device interrupts */
b785701b SZ	57	u_int v_ipi; /* inter processor interrupts */
b785701b SZ	58	u_int v_timer; /* LAPIC timer interrupts */
984263bc MD	59	u_int v_soft; /* software interrupts */
	60	/*
	61	* Virtual memory activity.
	62	*/
	63	u_int v_vm_faults; /* number of address memory faults */
	64	u_int v_cow_faults; /* number of copy-on-writes */
	65	u_int v_cow_optim; /* number of optimized copy-on-writes */
	66	u_int v_zfod; /* pages zero filled on demand */
	67	u_int v_ozfod; /* optimized zero fill pages */
	68	u_int v_swapin; /* swap pager pageins */
	69	u_int v_swapout; /* swap pager pageouts */
	70	u_int v_swappgsin; /* swap pager pages paged in */
	71	u_int v_swappgsout; /* swap pager pages paged out */
	72	u_int v_vnodein; /* vnode pager pageins */
	73	u_int v_vnodeout; /* vnode pager pageouts */
	74	u_int v_vnodepgsin; /* vnode_pager pages paged in */
	75	u_int v_vnodepgsout; /* vnode pager pages paged out */
	76	u_int v_intrans; /* intransit blocking page faults */
	77	u_int v_reactivated; /* number of pages reactivated from free list */
	78	u_int v_pdwakeups; /* number of times daemon has awaken from sleep */
	79	u_int v_pdpages; /* number of pages analyzed by daemon */
	80
	81	u_int v_dfree; /* pages freed by daemon */
	82	u_int v_pfree; /* pages freed by exiting processes */
	83	u_int v_tfree; /* total pages freed */
	84	/*
12e4aaff MD	85	* Fork/vfork/rfork activity.
	86	*/
	87	u_int v_forks; /* number of fork() calls */
	88	u_int v_vforks; /* number of vfork() calls */
	89	u_int v_rforks; /* number of rfork() calls */
a6f89c72	90	u_int v_exec; /* number of exec() calls */
12e4aaff MD	91	u_int v_kthreads; /* number of fork() calls by kernel */
	92	u_int v_forkpages; /* number of VM pages affected by fork() */
	93	u_int v_vforkpages; /* number of VM pages affected by vfork() */
	94	u_int v_rforkpages; /* number of VM pages affected by rfork() */
	95	u_int v_kthreadpages; /* number of VM pages affected by fork() by kernel */
	96	u_int v_intrans_coll; /* intransit map collisions (total) */
	97	u_int v_intrans_wait; /* intransit map collisions which blocked */
545a1cd3	98	u_int v_forwarded_ints; /* forwarded interrupts due to MP lock */
8a8d5d85 MD	99	u_int v_forwarded_hits;
8a8d5d85 MD	100	u_int v_forwarded_misses;
a64ba182	101	u_int v_sendsys; /* calls to sendsys() */
7062f5b4 EN	102	u_int v_waitsys; /* calls to waitsys() */
7062f5b4 EN	103	#define vmmeter_uint_end v_waitsys
12e4aaff MD	104	};
	105
	106	struct vmstats {
	107	/*
984263bc MD	108	* Distribution of page usages.
	109	*/
	110	u_int v_page_size; /* page size in bytes */
	111	u_int v_page_count; /* total number of pages in system */
	112	u_int v_free_reserved; /* number of pages reserved for deadlock */
	113	u_int v_free_target; /* number of pages desired free */
	114	u_int v_free_min; /* minimum number of pages desired free */
	115	u_int v_free_count; /* number of pages free */
	116	u_int v_wire_count; /* number of pages wired down */
	117	u_int v_active_count; /* number of pages active */
	118	u_int v_inactive_target; /* number of pages desired inactive */
	119	u_int v_inactive_count; /* number of pages inactive */
	120	u_int v_cache_count; /* number of pages on buffer cache queue */
	121	u_int v_cache_min; /* min number of pages desired on cache queue */
	122	u_int v_cache_max; /* max number of pages in cached obj */
	123	u_int v_pageout_free_min; /* min number pages reserved for kernel */
	124	u_int v_interrupt_free_min; /* reserved number of pages for int code */
	125	u_int v_free_severe; /* severe depletion of pages below this pt */
984263bc	126	};
984263bc	127
12e4aaff	128	#ifdef _KERNEL
984263bc	129
12e4aaff MD	130	/* note: vmmeter 'cnt' structure is now per-cpu */
12e4aaff MD	131	extern struct vmstats vmstats;
984263bc MD	132
	133	#endif
	134
	135	/* systemwide totals computed every five seconds */
	136	struct vmtotal
	137	{
7b5a2bb5 MD	138	long t_rq; /* length of the run queue */
	139	long t_dw; /* jobs in ``disk wait'' (neg priority) */
	140	long t_pw; /* jobs in page wait */
	141	long t_sl; /* jobs sleeping in core */
	142	long t_sw; /* swapped out runnable/short block jobs */
	143	int64_t t_vm; /* total virtual memory */
	144	int64_t t_avm; /* active virtual memory */
	145	long t_rm; /* total real memory in use */
	146	long t_arm; /* active real memory */
	147	int64_t t_vmshr; /* shared virtual memory */
	148	int64_t t_avmshr; /* active shared virtual memory */
	149	long t_rmshr; /* shared real memory */
	150	long t_armshr; /* active shared real memory */
	151	long t_free; /* free memory pages */
984263bc MD	152	};
984263bc MD	153
12e4aaff	154	#ifdef PGINPROF
984263bc MD	155	/*
	156	* Optional instrumentation.
	157	*/
984263bc MD	158
	159	#define NDMON 128
	160	#define NSMON 128
	161
	162	#define DRES 20
	163	#define SRES 5
	164
	165	#define PMONMIN 20
	166	#define PRES 50
	167	#define NPMON 64
	168
	169	#define RMONMIN 130
	170	#define RRES 5
	171	#define NRMON 64
	172
	173	/* data and stack size distribution counters */
	174	u_int dmon[NDMON+1];
	175	u_int smon[NSMON+1];
	176
	177	/* page in time distribution counters */
	178	u_int pmon[NPMON+2];
	179
	180	/* reclaim time distribution counters */
	181	u_int rmon[NRMON+2];
	182
	183	int pmonmin;
	184	int pres;
	185	int rmonmin;
	186	int rres;
	187
	188	u_int rectime; /* accumulator for reclaim times */
	189	u_int pgintime; /* accumulator for page in times */
984263bc	190
12e4aaff	191	#endif /* PGINPROF */
984263bc	192	#endif