xref: /xnu-10002.1.13/osfmk/kern/host_statistics.h (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
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
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8  * Version 2.0 (the 'License'). You may not use this file except in
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10  * may not be used to create, or enable the creation or redistribution of,
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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.
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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,
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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_ */
61