Annotation of sys/sys/vmmeter.h, Revision 1.1
1.1 ! nbrk 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__ */
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