bsd/sys/vmmeter.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  29 /*-
  30  * Copyright (c) 1982, 1986, 1993
  31  *      The Regents of the University of California.  All rights reserved.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the University of
  44  *      California, Berkeley and its contributors.
  45  * 4. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)vmmeter.h   8.2 (Berkeley) 7/10/94
  62  */
  63
  64 #ifndef _SYS_VMMETER_H_
  65 #define _SYS_VMMETER_H_
  66
  67 #include <sys/appleapiopts.h>
  68
  69 #ifdef __APPLE_API_OBSOLETE
  70 /*
  71  * System wide statistics counters.
  72  */
  73 struct vmmeter {
  74         /*
  75          * General system activity.
  76          */
  77         unsigned int v_swtch;           /* context switches */
  78         unsigned int v_trap;            /* calls to trap */
  79         unsigned int v_syscall; /* calls to syscall() */
  80         unsigned int v_intr;            /* device interrupts */
  81         unsigned int v_soft;            /* software interrupts */
  82         unsigned int v_faults;          /* total faults taken */
  83         /*
  84          * Virtual memory activity.
  85          */
  86         unsigned int v_lookups; /* object cache lookups */
  87         unsigned int v_hits;            /* object cache hits */
  88         unsigned int v_vm_faults;       /* number of address memory faults */
  89         unsigned int v_cow_faults;      /* number of copy-on-writes */
  90         unsigned int v_swpin;           /* swapins */
  91         unsigned int v_swpout;          /* swapouts */
  92         unsigned int v_pswpin;          /* pages swapped in */
  93         unsigned int v_pswpout; /* pages swapped out */
  94         unsigned int v_pageins; /* number of pageins */
  95         unsigned int v_pageouts;        /* number of pageouts */
  96         unsigned int v_pgpgin;          /* pages paged in */
  97         unsigned int v_pgpgout; /* pages paged out */
  98         unsigned int v_intrans; /* intransit blocking page faults */
  99         unsigned int v_reactivated;     /* number of pages reactivated from free list */
 100         unsigned int v_rev;             /* revolutions of the hand */
 101         unsigned int v_scan;            /* scans in page out daemon */
 102         unsigned int v_dfree;           /* pages freed by daemon */
 103         unsigned int v_pfree;           /* pages freed by exiting processes */
 104         unsigned int v_zfod;            /* pages zero filled on demand */
 105         unsigned int v_nzfod;           /* number of zfod's created */
 106         /*
 107          * Distribution of page usages.
 108          */
 109         unsigned int v_page_size;       /* page size in bytes */
 110         unsigned int v_kernel_pages;    /* number of pages in use by kernel */
 111         unsigned int v_free_target;     /* number of pages desired free */
 112         unsigned int v_free_min;        /* minimum number of pages desired free */
 113         unsigned int v_free_count;      /* number of pages free */
 114         unsigned int v_wire_count;      /* number of pages wired down */
 115         unsigned int v_active_count;    /* number of pages active */
 116         unsigned int v_inactive_target; /* number of pages desired inactive */
 117         unsigned int v_inactive_count;  /* number of pages inactive */
 118 };
 119
 120 /* systemwide totals computed every five seconds */
 121 struct vmtotal {
 122         int16_t t_rq;           /* length of the run queue */
 123         int16_t t_dw;           /* jobs in ``disk wait'' (neg priority) */
 124         int16_t t_pw;           /* jobs in page wait */
 125         int16_t t_sl;           /* jobs sleeping in core */
 126         int16_t t_sw;           /* swapped out runnable/short block jobs */
 127         int32_t t_vm;           /* total virtual memory */
 128         int32_t t_avm;          /* active virtual memory */
 129         int32_t t_rm;           /* total real memory in use */
 130         int32_t t_arm;          /* active real memory */
 131         int32_t t_vmshr;        /* shared virtual memory */
 132         int32_t t_avmshr;       /* active shared virtual memory */
 133         int32_t t_rmshr;        /* shared real memory */
 134         int32_t t_armshr;       /* active shared real memory */
 135         int32_t t_free;         /* free memory pages */
 136 };
 137 #ifdef KERNEL
 138 extern struct   vmtotal total;
 139 #endif
 140
 141 #endif /*__APPLE_API_OBSOLETE */
 142
 143 #endif /* !_SYS_VMMETER_H_ */