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Annotation of sys/sys/vmmeter.h, Revision 1.1.1.1

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__ */