4BSD/usr/include/sys/vmmeter.h

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/*	vmmeter.h	4.1	11/9/80	*/

/*
 * Virtual memory related instrumentation
 *
 * NB: THE OFFSETS IN THE vmmeter STRUCTURE ARE KNOWN IN vm.m.
 */
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_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_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_dfree;	/* pages freed by daemon */
#define	v_last v_dfree
	unsigned v_swpin;	/* swapins */
	unsigned v_swpout;	/* swapouts */
};
#ifdef KERNEL
struct	vmmeter cnt, rate, sum;
#endif