FreeBSD/Linux Kernel Cross Reference
sys/bsd/sys/vmmeter.h

     /*
      * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_LICENSE_HEADER_START@
      * 
      * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
     * Version 2.0 (the 'License'). You may not use this file except in
     * compliance with the License. Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this
     * file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_LICENSE_HEADER_END@
     */
    /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
    /*-
     * Copyright (c) 1982, 1986, 1993
     *      The Regents of the University of California.  All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)vmmeter.h   8.2 (Berkeley) 7/10/94
     */
    
    #ifndef _SYS_VMMETER_H_
    #define _SYS_VMMETER_H_
    
    #include <sys/appleapiopts.h>
    
    #ifdef __APPLE_API_OBSOLETE
    /*
     * System wide statistics counters.
     */
    struct vmmeter {
            /*
             * General system activity.
             */
            u_int v_swtch;          /* context switches */
            u_int v_trap;           /* calls to trap */
            u_int v_syscall;        /* calls to syscall() */
            u_int v_intr;           /* device interrupts */
            u_int v_soft;           /* software interrupts */
            u_int v_faults;         /* total faults taken */
            /*
             * Virtual memory activity.
             */
            u_int v_lookups;        /* object cache lookups */
            u_int v_hits;           /* object cache hits */
            u_int v_vm_faults;      /* number of address memory faults */
            u_int v_cow_faults;     /* number of copy-on-writes */
            u_int v_swpin;          /* swapins */
            u_int v_swpout;         /* swapouts */
            u_int v_pswpin;         /* pages swapped in */
            u_int v_pswpout;        /* pages swapped out */
            u_int v_pageins;        /* number of pageins */
            u_int v_pageouts;       /* number of pageouts */
            u_int v_pgpgin;         /* pages paged in */
            u_int v_pgpgout;        /* pages paged out */
            u_int v_intrans;        /* intransit blocking page faults */
            u_int v_reactivated;    /* number of pages reactivated from free list */
            u_int v_rev;            /* revolutions of the hand */
            u_int v_scan;           /* scans in page out daemon */
            u_int v_dfree;          /* pages freed by daemon */
           u_int v_pfree;          /* pages freed by exiting processes */
           u_int v_zfod;           /* pages zero filled on demand */
           u_int v_nzfod;          /* number of zfod's created */
           /*
            * Distribution of page usages.
            */
           u_int v_page_size;      /* page size in bytes */
           u_int v_kernel_pages;   /* number of pages in use by kernel */
           u_int v_free_target;    /* number of pages desired free */
           u_int v_free_min;       /* minimum number of pages desired free */
           u_int v_free_count;     /* number of pages free */
           u_int v_wire_count;     /* number of pages wired down */
           u_int v_active_count;   /* number of pages active */
           u_int v_inactive_target; /* number of pages desired inactive */
           u_int v_inactive_count;  /* number of pages inactive */
   };
   #ifdef KERNEL
   extern struct   vmmeter cnt;
   #endif
   
   /* systemwide totals computed every five seconds */
   struct vmtotal
   {
           int16_t t_rq;           /* length of the run queue */
           int16_t t_dw;           /* jobs in ``disk wait'' (neg priority) */
           int16_t t_pw;           /* jobs in page wait */
           int16_t t_sl;           /* jobs sleeping in core */
           int16_t t_sw;           /* swapped out runnable/short block jobs */
           int32_t t_vm;           /* total virtual memory */
           int32_t t_avm;          /* active virtual memory */
           int32_t t_rm;           /* total real memory in use */
           int32_t t_arm;          /* active real memory */
           int32_t t_vmshr;        /* shared virtual memory */
           int32_t t_avmshr;       /* active shared virtual memory */
           int32_t t_rmshr;        /* shared real memory */
           int32_t t_armshr;       /* active shared real memory */
           int32_t t_free;         /* free memory pages */
   };
   #ifdef KERNEL
   extern struct   vmtotal total;
   #endif
   
   #endif /*__APPLE_API_OBSOLETE */
   
   #endif /* !_SYS_VMMETER_H_ */

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