osfmk/kern/host_statistics.h

   1 /*
   2  * Copyright (c) 2000-2009 Apple 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,
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  23  * Please see the License for the specific language governing rights and
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  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  *      kern/host_statistics.h
  33  *
  34  *      Definitions for host VM/event statistics data structures.
  35  *
  36  */
  37
  38 #ifndef _KERN_HOST_STATISTICS_H_
  39 #define _KERN_HOST_STATISTICS_H_
  40
  41 #include <kern/counter.h>
  42
  43 SCALABLE_COUNTER_DECLARE(vm_statistics_zero_fill_count);        /* # of zero fill pages */
  44 SCALABLE_COUNTER_DECLARE(vm_statistics_reactivations);          /* # of pages reactivated */
  45 SCALABLE_COUNTER_DECLARE(vm_statistics_pageins);                /* # of pageins */
  46 SCALABLE_COUNTER_DECLARE(vm_statistics_pageouts);               /* # of pageouts */
  47 SCALABLE_COUNTER_DECLARE(vm_statistics_faults);                 /* # of faults */
  48 SCALABLE_COUNTER_DECLARE(vm_statistics_cow_faults);             /* # of copy-on-writes */
  49 SCALABLE_COUNTER_DECLARE(vm_statistics_lookups);                /* object cache lookups */
  50 SCALABLE_COUNTER_DECLARE(vm_statistics_hits);                   /* object cache hits */
  51 SCALABLE_COUNTER_DECLARE(vm_statistics_purges);                 /* # of pages purged */
  52 SCALABLE_COUNTER_DECLARE(vm_statistics_decompressions);         /* # of pages decompressed */
  53 SCALABLE_COUNTER_DECLARE(vm_statistics_compressions);           /* # of pages compressed */
  54 SCALABLE_COUNTER_DECLARE(vm_statistics_swapins);                /* # of pages swapped in (via compression segments) */
  55 SCALABLE_COUNTER_DECLARE(vm_statistics_swapouts);               /* # of pages swapped out (via compression segments) */
  56 SCALABLE_COUNTER_DECLARE(vm_statistics_total_uncompressed_pages_in_compressor); /* # of pages (uncompressed) held within the compressor. */
  57
  58 SCALABLE_COUNTER_DECLARE(vm_page_grab_count);
  59
  60 #endif  /* _KERN_HOST_STATISTICS_H_ */