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29 * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94
30 * $FreeBSD: src/sys/sys/vmmeter.h,v 1.21.2.2 2002/10/10 19:28:21 dillon Exp $
31 * $DragonFly: src/sys/sys/vmmeter.h,v 1.10 2006/05/20 02:42:13 dillon Exp $
34 #ifndef _SYS_VMMETER_H_
35 #define _SYS_VMMETER_H_
38 #include <sys/types.h>
42 * System wide statistics counters.
46 * General system activity.
48 #define vmmeter_uint_begin v_swtch
49 u_int v_swtch
; /* context switches */
50 u_int v_trap
; /* calls to trap */
51 u_int v_syscall
; /* calls to syscall() */
52 u_int v_intr
; /* device interrupts */
53 u_int v_ipi
; /* inter processor interrupts */
54 u_int v_timer
; /* LAPIC timer interrupts */
55 u_int v_soft
; /* software interrupts */
57 * Virtual memory activity.
59 u_int v_vm_faults
; /* number of address memory faults */
60 u_int v_cow_faults
; /* number of copy-on-writes */
61 u_int v_cow_optim
; /* number of optimized copy-on-writes */
62 u_int v_zfod
; /* pages zero filled on demand */
63 u_int v_ozfod
; /* optimized zero fill pages */
64 u_int v_swapin
; /* swap pager pageins */
65 u_int v_swapout
; /* swap pager pageouts */
66 u_int v_swappgsin
; /* swap pager pages paged in */
67 u_int v_swappgsout
; /* swap pager pages paged out */
68 u_int v_vnodein
; /* vnode pager pageins */
69 u_int v_vnodeout
; /* vnode pager pageouts */
70 u_int v_vnodepgsin
; /* vnode_pager pages paged in */
71 u_int v_vnodepgsout
; /* vnode pager pages paged out */
72 u_int v_intrans
; /* intransit blocking page faults */
73 u_int v_reactivated
; /* number of pages reactivated from free list */
74 u_int v_pdwakeups
; /* number of times daemon has awaken from sleep */
75 u_int v_pdpages
; /* number of pages analyzed by daemon */
77 u_int v_dfree
; /* pages freed by daemon */
78 u_int v_pfree
; /* pages freed by exiting processes */
79 u_int v_tfree
; /* total pages freed */
81 * Fork/vfork/rfork activity.
83 u_int v_forks
; /* number of fork() calls */
84 u_int v_vforks
; /* number of vfork() calls */
85 u_int v_rforks
; /* number of rfork() calls */
86 u_int v_exec
; /* number of exec() calls */
87 u_int v_kthreads
; /* number of fork() calls by kernel */
88 u_int v_forkpages
; /* number of VM pages affected by fork() */
89 u_int v_vforkpages
; /* number of VM pages affected by vfork() */
90 u_int v_rforkpages
; /* number of VM pages affected by rfork() */
91 u_int v_kthreadpages
; /* number of VM pages affected by fork() by kernel */
92 u_int v_intrans_coll
; /* intransit map collisions (total) */
93 u_int v_intrans_wait
; /* intransit map collisions which blocked */
94 u_int v_forwarded_ints
; /* forwarded interrupts due to MP lock */
95 u_int v_forwarded_hits
;
96 u_int v_forwarded_misses
;
97 u_int v_sendsys
; /* calls to sendsys() */
98 u_int v_waitsys
; /* calls to waitsys() */
99 u_int v_smpinvltlb
; /* nasty global invltlbs */
100 u_int v_ppwakeups
; /* wakeups on processes stalled on VM */
101 u_int v_lock_colls
; /* # of token, lock, or spin collisions */
102 char v_lock_name
[16]; /* last-colliding token, lock, or spin name */
105 #define vmmeter_uint_end v_reserved7
110 * Distribution of page usages.
112 u_int v_page_size
; /* page size in bytes */
113 u_int v_page_count
; /* total number of pages in system */
114 u_int v_free_reserved
; /* number of pages reserved for deadlock */
115 u_int v_free_target
; /* number of pages desired free */
116 u_int v_free_min
; /* minimum number of pages desired free */
117 u_int v_free_count
; /* number of pages free */
118 u_int v_wire_count
; /* number of pages wired down */
119 u_int v_active_count
; /* number of pages active */
120 u_int v_inactive_target
; /* number of pages desired inactive */
121 u_int v_inactive_count
; /* number of pages inactive */
122 u_int v_cache_count
; /* number of pages on buffer cache queue */
123 u_int v_cache_min
; /* min number of pages desired on cache queue */
124 u_int v_cache_max
; /* max number of pages in cached obj */
125 u_int v_pageout_free_min
; /* min number pages reserved for kernel */
126 u_int v_interrupt_free_min
; /* reserved number of pages for int code */
127 u_int v_free_severe
; /* severe depletion of pages below this pt */
128 u_int v_dma_avail
; /* free dma-reserved pages */
129 u_int v_dma_pages
; /* total dma-reserved pages */
135 /* note: vmmeter 'cnt' structure is now per-cpu */
136 extern struct vmstats vmstats
;
140 /* systemwide totals computed every five seconds */
142 long t_rq
; /* length of the run queue */
143 long t_dw
; /* jobs in ``disk wait'' (neg priority) */
144 long t_pw
; /* jobs in page wait */
145 long t_sl
; /* jobs sleeping in core */
146 long t_sw
; /* swapped out runnable/short block jobs */
147 int64_t t_vm
; /* total virtual memory */
148 int64_t t_avm
; /* active virtual memory */
149 long t_rm
; /* total real memory in use */
150 long t_arm
; /* active real memory */
151 int64_t t_vmshr
; /* shared virtual memory */
152 int64_t t_avmshr
; /* active shared virtual memory */
153 long t_rmshr
; /* shared real memory */
154 long t_armshr
; /* active shared real memory */
155 long t_free
; /* free memory pages */
160 * Optional instrumentation.
177 /* data and stack size distribution counters */
181 /* page in time distribution counters */
184 /* reclaim time distribution counters */
192 u_int rectime
; /* accumulator for reclaim times */
193 u_int pgintime
; /* accumulator for page in times */
195 #endif /* PGINPROF */