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,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
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25 *
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
43SCALABLE_COUNTER_DECLARE(vm_statistics_zero_fill_count); /* # of zero fill pages */
44SCALABLE_COUNTER_DECLARE(vm_statistics_reactivations); /* # of pages reactivated */
45SCALABLE_COUNTER_DECLARE(vm_statistics_pageins); /* # of pageins */
46SCALABLE_COUNTER_DECLARE(vm_statistics_pageouts); /* # of pageouts */
47SCALABLE_COUNTER_DECLARE(vm_statistics_faults); /* # of faults */
48SCALABLE_COUNTER_DECLARE(vm_statistics_cow_faults); /* # of copy-on-writes */
49SCALABLE_COUNTER_DECLARE(vm_statistics_lookups); /* object cache lookups */
50SCALABLE_COUNTER_DECLARE(vm_statistics_hits); /* object cache hits */
51SCALABLE_COUNTER_DECLARE(vm_statistics_purges); /* # of pages purged */
52SCALABLE_COUNTER_DECLARE(vm_statistics_decompressions); /* # of pages decompressed */
53SCALABLE_COUNTER_DECLARE(vm_statistics_compressions); /* # of pages compressed */
54SCALABLE_COUNTER_DECLARE(vm_statistics_swapins); /* # of pages swapped in (via compression segments) */
55SCALABLE_COUNTER_DECLARE(vm_statistics_swapouts); /* # of pages swapped out (via compression segments) */
56SCALABLE_COUNTER_DECLARE(vm_statistics_total_uncompressed_pages_in_compressor); /* # of pages (uncompressed) held within the compressor. */
57
58SCALABLE_COUNTER_DECLARE(vm_page_grab_count);
59
60#endif /* _KERN_HOST_STATISTICS_H_ */
61