1 /* $OpenBSD: vmmeter.h,v 1.12 2003/06/02 23:28:22 millert Exp $ */
2 /* $NetBSD: vmmeter.h,v 1.9 1995/03/26 20:25:04 jtc Exp $ */
3
4 /*-
5 * Copyright (c) 1982, 1986, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)vmmeter.h 8.2 (Berkeley) 7/10/94
33 */
34
35 #ifndef __VMMETER_H__
36 #define __VMMETER_H__
37
38 /*
39 * System wide statistics counters. Look in <uvm/uvm_extern.h> for the
40 * UVM equivalent.
41 */
42
43 /* systemwide totals computed every five seconds */
44 struct vmtotal
45 {
46 u_int16_t t_rq; /* length of the run queue */
47 u_int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */
48 u_int16_t t_pw; /* jobs in page wait */
49 u_int16_t t_sl; /* jobs sleeping in core */
50 u_int16_t t_sw; /* swapped out runnable/short block jobs */
51 u_int32_t t_vm; /* total virtual memory */
52 u_int32_t t_avm; /* active virtual memory */
53 u_int32_t t_rm; /* total real memory in use */
54 u_int32_t t_arm; /* active real memory */
55 u_int32_t t_vmshr; /* shared virtual memory */
56 u_int32_t t_avmshr; /* active shared virtual memory */
57 u_int32_t t_rmshr; /* shared real memory */
58 u_int32_t t_armshr; /* active shared real memory */
59 u_int32_t t_free; /* free memory pages */
60 };
61
62 /*
63 * Fork/vfork/rfork accounting.
64 */
65 struct forkstat
66 {
67 int cntfork; /* number of fork() calls */
68 int cntvfork; /* number of vfork() calls */
69 int cntrfork; /* number of rfork() calls */
70 int cntkthread; /* number of kernel threads created */
71 int sizfork; /* VM pages affected by fork() */
72 int sizvfork; /* VM pages affected by vfork() */
73 int sizrfork; /* VM pages affected by rfork() */
74 int sizkthread; /* VM pages affected by kernel threads */
75 };
76
77 /* These sysctl names are only really used by sysctl(8) */
78 #define KERN_FORKSTAT_FORK 1
79 #define KERN_FORKSTAT_VFORK 2
80 #define KERN_FORKSTAT_RFORK 3
81 #define KERN_FORKSTAT_KTHREAD 4
82 #define KERN_FORKSTAT_SIZFORK 5
83 #define KERN_FORKSTAT_SIZVFORK 6
84 #define KERN_FORKSTAT_SIZRFORK 7
85 #define KERN_FORKSTAT_SIZKTHREAD 8
86 #define KERN_FORKSTAT_MAXID 9
87
88 #define CTL_KERN_FORKSTAT_NAMES { \
89 { 0, 0 }, \
90 { "forks", CTLTYPE_INT }, \
91 { "vforks", CTLTYPE_INT }, \
92 { "rforks", CTLTYPE_INT }, \
93 { "kthreads", CTLTYPE_INT }, \
94 { "fork_pages", CTLTYPE_INT }, \
95 { "vfork_pages", CTLTYPE_INT }, \
96 { "rfork_pages", CTLTYPE_INT }, \
97 { "kthread_pages", CTLTYPE_INT }, \
98 }
99 #endif /* __VMMETER_H__ */