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vmmeter.h
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C/C++ Source or Header
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1993-10-19
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3KB
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111 lines
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)vmmeter.h 7.1 (Berkeley) 6/4/86
*/
/*
* 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 */
#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