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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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