+struct vmmeter {
+ /*
+ * General system activity.
+ */
+ 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_soft; /* software interrupts */
+ u_int v_faults; /* total faults taken */
+ /*
+ * Virtual memory activity.
+ */
+ u_int v_lookups; /* object cache lookups */
+ u_int v_hits; /* object cache hits */
+ u_int v_vm_faults; /* number of address memory faults */
+ u_int v_cow_faults; /* number of copy-on-writes */
+ u_int v_swpin; /* swapins */
+ u_int v_swpout; /* swapouts */
+ u_int v_pswpin; /* pages swapped in */
+ u_int v_pswpout; /* pages swapped out */
+ u_int v_pageins; /* number of pageins */
+ u_int v_pageouts; /* number of pageouts */
+ u_int v_pgpgin; /* pages paged in */
+ u_int v_pgpgout; /* 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_rev; /* revolutions of the hand */
+ u_int v_scan; /* scans in page out daemon */
+ u_int v_dfree; /* pages freed by daemon */
+ u_int v_pfree; /* pages freed by exiting processes */
+ u_int v_zfod; /* pages zero filled on demand */
+ u_int v_nzfod; /* number of zfod's created */
+ /*
+ * Distribution of page usages.
+ */
+ u_int v_page_size; /* page size in bytes */
+ u_int v_kernel_pages; /* number of pages in use by kernel */
+ 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 */
+};
+#ifdef KERNEL
+struct vmmeter cnt;
+#endif
+
+/* systemwide totals computed every five seconds */
+struct vmtotal