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4 * @APPLE_LICENSE_HEADER_START@
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10 * Version 2.0 (the 'License'). You may not use this file except in
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12 * http://www.opensource.apple.com/apsl/ and read it before using this
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25 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
27 * Copyright (c) 1982, 1986, 1993
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31 * modification, are permitted provided that the following conditions
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40 * This product includes software developed by the University of
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58 * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94
61 #ifndef _SYS_VMMETER_H_
62 #define _SYS_VMMETER_H_
64 #include <sys/appleapiopts.h>
66 #ifdef __APPLE_API_OBSOLETE
68 * System wide statistics counters.
72 * General system activity.
74 u_int v_swtch
; /* context switches */
75 u_int v_trap
; /* calls to trap */
76 u_int v_syscall
; /* calls to syscall() */
77 u_int v_intr
; /* device interrupts */
78 u_int v_soft
; /* software interrupts */
79 u_int v_faults
; /* total faults taken */
81 * Virtual memory activity.
83 u_int v_lookups
; /* object cache lookups */
84 u_int v_hits
; /* object cache hits */
85 u_int v_vm_faults
; /* number of address memory faults */
86 u_int v_cow_faults
; /* number of copy-on-writes */
87 u_int v_swpin
; /* swapins */
88 u_int v_swpout
; /* swapouts */
89 u_int v_pswpin
; /* pages swapped in */
90 u_int v_pswpout
; /* pages swapped out */
91 u_int v_pageins
; /* number of pageins */
92 u_int v_pageouts
; /* number of pageouts */
93 u_int v_pgpgin
; /* pages paged in */
94 u_int v_pgpgout
; /* pages paged out */
95 u_int v_intrans
; /* intransit blocking page faults */
96 u_int v_reactivated
; /* number of pages reactivated from free list */
97 u_int v_rev
; /* revolutions of the hand */
98 u_int v_scan
; /* scans in page out daemon */
99 u_int v_dfree
; /* pages freed by daemon */
100 u_int v_pfree
; /* pages freed by exiting processes */
101 u_int v_zfod
; /* pages zero filled on demand */
102 u_int v_nzfod
; /* number of zfod's created */
104 * Distribution of page usages.
106 u_int v_page_size
; /* page size in bytes */
107 u_int v_kernel_pages
; /* number of pages in use by kernel */
108 u_int v_free_target
; /* number of pages desired free */
109 u_int v_free_min
; /* minimum number of pages desired free */
110 u_int v_free_count
; /* number of pages free */
111 u_int v_wire_count
; /* number of pages wired down */
112 u_int v_active_count
; /* number of pages active */
113 u_int v_inactive_target
; /* number of pages desired inactive */
114 u_int v_inactive_count
; /* number of pages inactive */
117 extern struct vmmeter cnt
;
120 /* systemwide totals computed every five seconds */
123 int16_t t_rq
; /* length of the run queue */
124 int16_t t_dw
; /* jobs in ``disk wait'' (neg priority) */
125 int16_t t_pw
; /* jobs in page wait */
126 int16_t t_sl
; /* jobs sleeping in core */
127 int16_t t_sw
; /* swapped out runnable/short block jobs */
128 int32_t t_vm
; /* total virtual memory */
129 int32_t t_avm
; /* active virtual memory */
130 int32_t t_rm
; /* total real memory in use */
131 int32_t t_arm
; /* active real memory */
132 int32_t t_vmshr
; /* shared virtual memory */
133 int32_t t_avmshr
; /* active shared virtual memory */
134 int32_t t_rmshr
; /* shared real memory */
135 int32_t t_armshr
; /* active shared real memory */
136 int32_t t_free
; /* free memory pages */
139 extern struct vmtotal total
;
142 #endif /*__APPLE_API_OBSOLETE */
144 #endif /* !_SYS_VMMETER_H_ */