[unix-history] / sys / sys / vmmeter.h

/*-
 * Copyright (c) 1982, 1986 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.
 *
 *	from: @(#)vmmeter.h	7.3 (Berkeley) 5/5/91
 *	$Id$
 */

/*
 * Virtual memory related instrumentation
 */
struct vmmeter
{
#define	v_first	v_swtch
	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_pdma;	/* pseudo-dma interrupts */
	unsigned v_pswpin;	/* pages swapped in */
	unsigned v_pswpout;	/* pages swapped out */
	unsigned v_pgin;	/* pageins */
	unsigned v_pgout;	/* pageouts */
	unsigned v_pgpgin;	/* pages paged in */
	unsigned v_pgpgout;	/* pages paged out */
	unsigned v_intrans;	/* intransit blocking page faults */
	unsigned v_pgrec;	/* total page reclaims */
	unsigned v_xsfrec;	/* found in free list rather than on swapdev */
	unsigned v_xifrec;	/* found in free list rather than in filsys */
	unsigned v_exfod;	/* pages filled on demand from executables */
	unsigned v_zfod;	/* pages zero filled on demand */
	unsigned v_vrfod;	/* fills of pages mapped by vread() */
	unsigned v_nexfod;	/* number of exfod's created */
	unsigned v_nzfod;	/* number of zfod's created */
	unsigned v_nvrfod;	/* number of vrfod's created */
	unsigned v_pgfrec;	/* page reclaims from free list */
	unsigned v_faults;	/* total faults taken */
	unsigned v_scan;	/* scans in page out daemon */
	unsigned v_rev;		/* revolutions of the hand */
	unsigned v_seqfree;	/* pages taken from sequential programs */
	unsigned v_dfree;	/* pages freed by daemon */
	unsigned v_fastpgrec;	/* fast reclaims in locore */
#ifdef tahoe
	unsigned v_fpe;		/* floating point emulation traps */
	unsigned v_align;	/* alignment emulation traps */
#endif
#define	v_last v_fastpgrec
	unsigned v_swpin;	/* swapins */
	unsigned v_swpout;	/* swapouts */
};
#ifdef KERNEL
struct	vmmeter cnt, rate, sum;
#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_vmtxt;	/* virtual memory used by text */
	long	t_avmtxt;	/* active virtual memory used by text */
	long	t_rmtxt;	/* real memory used by text */
	long	t_armtxt;	/* active real memory used by text */
	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
Commit	Line	Data
15637ed4 RG	1	/*-
	2	* Copyright (c) 1982, 1986 The Regents of the University of California.
	3	* 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	*
78ed81a3	33	* from: @(#)vmmeter.h 7.3 (Berkeley) 5/5/91
78ed81a3	34	* $Id$
15637ed4 RG	35	*/
	36
	37	/*
	38	* Virtual memory related instrumentation
	39	*/
	40	struct vmmeter
	41	{
	42	#define v_first v_swtch
	43	unsigned v_swtch; /* context switches */
	44	unsigned v_trap; /* calls to trap */
	45	unsigned v_syscall; /* calls to syscall() */
	46	unsigned v_intr; /* device interrupts */
	47	unsigned v_soft; /* software interrupts */
	48	unsigned v_pdma; /* pseudo-dma interrupts */
	49	unsigned v_pswpin; /* pages swapped in */
	50	unsigned v_pswpout; /* pages swapped out */
	51	unsigned v_pgin; /* pageins */
	52	unsigned v_pgout; /* pageouts */
	53	unsigned v_pgpgin; /* pages paged in */
	54	unsigned v_pgpgout; /* pages paged out */
	55	unsigned v_intrans; /* intransit blocking page faults */
	56	unsigned v_pgrec; /* total page reclaims */
	57	unsigned v_xsfrec; /* found in free list rather than on swapdev */
	58	unsigned v_xifrec; /* found in free list rather than in filsys */
	59	unsigned v_exfod; /* pages filled on demand from executables */
	60	unsigned v_zfod; /* pages zero filled on demand */
	61	unsigned v_vrfod; /* fills of pages mapped by vread() */
	62	unsigned v_nexfod; /* number of exfod's created */
	63	unsigned v_nzfod; /* number of zfod's created */
	64	unsigned v_nvrfod; /* number of vrfod's created */
	65	unsigned v_pgfrec; /* page reclaims from free list */
	66	unsigned v_faults; /* total faults taken */
	67	unsigned v_scan; /* scans in page out daemon */
	68	unsigned v_rev; /* revolutions of the hand */
	69	unsigned v_seqfree; /* pages taken from sequential programs */
	70	unsigned v_dfree; /* pages freed by daemon */
	71	unsigned v_fastpgrec; /* fast reclaims in locore */
	72	#ifdef tahoe
	73	unsigned v_fpe; /* floating point emulation traps */
	74	unsigned v_align; /* alignment emulation traps */
	75	#endif
	76	#define v_last v_fastpgrec
	77	unsigned v_swpin; /* swapins */
	78	unsigned v_swpout; /* swapouts */
	79	};
	80	#ifdef KERNEL
	81	struct vmmeter cnt, rate, sum;
	82	#endif
	83
	84	/* systemwide totals computed every five seconds */
	85	struct vmtotal
	86	{
	87	short t_rq; /* length of the run queue */
	88	short t_dw; /* jobs in ``disk wait'' (neg priority) */
	89	short t_pw; /* jobs in page wait */
	90	short t_sl; /* jobs sleeping in core */
	91	short t_sw; /* swapped out runnable/short block jobs */
	92	long t_vm; /* total virtual memory */
	93	long t_avm; /* active virtual memory */
	94	long t_rm; /* total real memory in use */
	95	long t_arm; /* active real memory */
	96	long t_vmtxt; /* virtual memory used by text */
	97	long t_avmtxt; /* active virtual memory used by text */
	98	long t_rmtxt; /* real memory used by text */
99	long t_armtxt; /* active real memory used by text */
100	long t_free; /* free memory pages */
101	};
102	#ifdef KERNEL
103	struct vmtotal total;
104	#endif
105
106	/*
107	* Optional instrumentation.
108	*/
109	#ifdef PGINPROF
110
111	#define NDMON 128
112	#define NSMON 128
113
114	#define DRES 20
115	#define SRES 5
116
117	#define PMONMIN 20
118	#define PRES 50
119	#define NPMON 64
120
121	#define RMONMIN 130
122	#define RRES 5
123	#define NRMON 64
124
125	/* data and stack size distribution counters */
126	unsigned int dmon[NDMON+1];
127	unsigned int smon[NSMON+1];
128
129	/* page in time distribution counters */
130	unsigned int pmon[NPMON+2];
131
132	/* reclaim time distribution counters */
133	unsigned int rmon[NRMON+2];
134
135	int pmonmin;
136	int pres;
137	int rmonmin;
138	int rres;
139
140	unsigned rectime; /* accumulator for reclaim times */
141	unsigned pgintime; /* accumulator for page in times */
142	#endif