bsd/sys/vmmeter.h

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