1 /* $OpenBSD: vmmeter.h,v 1.15 2016/07/27 14:44:59 tedu 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 u_int16_t t_rq; /* length of the run queue */ 46 u_int16_t t_dw; /* jobs in ``disk wait'' (neg priority) */ 47 u_int16_t t_pw; /* jobs in page wait */ 48 u_int16_t t_sl; /* jobs sleeping in core */ 49 u_int16_t t_sw; /* swapped out runnable/short block jobs */ 50 u_int32_t t_vm; /* total virtual memory */ 51 u_int32_t t_avm; /* active virtual memory */ 52 u_int32_t t_rm; /* total real memory in use */ 53 u_int32_t t_arm; /* active real memory */ 54 u_int32_t t_vmshr; /* shared virtual memory */ 55 u_int32_t t_avmshr; /* active shared virtual memory */ 56 u_int32_t t_rmshr; /* shared real memory */ 57 u_int32_t t_armshr; /* active shared real memory */ 58 u_int32_t t_free; /* free memory pages */ 59 }; 60 61 /* 62 * Fork/vfork/__tfork accounting. 63 */ 64 struct forkstat { 65 uint32_t cntfork; /* number of fork() calls */ 66 uint32_t cntvfork; /* number of vfork() calls */ 67 uint32_t cnttfork; /* number of __tfork() calls */ 68 uint32_t cntkthread; /* number of kernel threads created */ 69 uint64_t sizfork; /* VM pages affected by fork() */ 70 uint64_t sizvfork; /* VM pages affected by vfork() */ 71 uint64_t siztfork; /* VM pages affected by __tfork() */ 72 uint64_t sizkthread; /* VM pages affected by kernel threads */ 73 }; 74 75 /* These sysctl names are only really used by sysctl(8) */ 76 #define KERN_FORKSTAT_FORK 1 77 #define KERN_FORKSTAT_VFORK 2 78 #define KERN_FORKSTAT_TFORK 3 79 #define KERN_FORKSTAT_KTHREAD 4 80 #define KERN_FORKSTAT_SIZFORK 5 81 #define KERN_FORKSTAT_SIZVFORK 6 82 #define KERN_FORKSTAT_SIZTFORK 7 83 #define KERN_FORKSTAT_SIZKTHREAD 8 84 #define KERN_FORKSTAT_MAXID 9 85 86 #define CTL_KERN_FORKSTAT_NAMES { \ 87 { 0, 0 }, \ 88 { "forks", CTLTYPE_INT }, \ 89 { "vforks", CTLTYPE_INT }, \ 90 { "tforks", CTLTYPE_INT }, \ 91 { "kthreads", CTLTYPE_INT }, \ 92 { "fork_pages", CTLTYPE_INT }, \ 93 { "vfork_pages", CTLTYPE_INT }, \ 94 { "tfork_pages", CTLTYPE_INT }, \ 95 { "kthread_pages", CTLTYPE_INT }, \ 96 } 97 #endif /* __VMMETER_H__ */ 98