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__ */ 100