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1/*
2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 *
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
25 *
26 * http://www.sgi.com
27 *
28 * For further information regarding this notice, see:
29 *
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31 */
32#ifndef __XFS_STATS_H__
33#define __XFS_STATS_H__
34
35
36#if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
37
38#include <linux/percpu.h>
39
40/*
41 * XFS global statistics
42 */
43struct xfsstats {
44# define XFSSTAT_END_EXTENT_ALLOC 4
45 __uint32_t xs_allocx;
46 __uint32_t xs_allocb;
47 __uint32_t xs_freex;
48 __uint32_t xs_freeb;
49# define XFSSTAT_END_ALLOC_BTREE (XFSSTAT_END_EXTENT_ALLOC+4)
50 __uint32_t xs_abt_lookup;
51 __uint32_t xs_abt_compare;
52 __uint32_t xs_abt_insrec;
53 __uint32_t xs_abt_delrec;
54# define XFSSTAT_END_BLOCK_MAPPING (XFSSTAT_END_ALLOC_BTREE+7)
55 __uint32_t xs_blk_mapr;
56 __uint32_t xs_blk_mapw;
57 __uint32_t xs_blk_unmap;
58 __uint32_t xs_add_exlist;
59 __uint32_t xs_del_exlist;
60 __uint32_t xs_look_exlist;
61 __uint32_t xs_cmp_exlist;
62# define XFSSTAT_END_BLOCK_MAP_BTREE (XFSSTAT_END_BLOCK_MAPPING+4)
63 __uint32_t xs_bmbt_lookup;
64 __uint32_t xs_bmbt_compare;
65 __uint32_t xs_bmbt_insrec;
66 __uint32_t xs_bmbt_delrec;
67# define XFSSTAT_END_DIRECTORY_OPS (XFSSTAT_END_BLOCK_MAP_BTREE+4)
68 __uint32_t xs_dir_lookup;
69 __uint32_t xs_dir_create;
70 __uint32_t xs_dir_remove;
71 __uint32_t xs_dir_getdents;
72# define XFSSTAT_END_TRANSACTIONS (XFSSTAT_END_DIRECTORY_OPS+3)
73 __uint32_t xs_trans_sync;
74 __uint32_t xs_trans_async;
75 __uint32_t xs_trans_empty;
76# define XFSSTAT_END_INODE_OPS (XFSSTAT_END_TRANSACTIONS+7)
77 __uint32_t xs_ig_attempts;
78 __uint32_t xs_ig_found;
79 __uint32_t xs_ig_frecycle;
80 __uint32_t xs_ig_missed;
81 __uint32_t xs_ig_dup;
82 __uint32_t xs_ig_reclaims;
83 __uint32_t xs_ig_attrchg;
84# define XFSSTAT_END_LOG_OPS (XFSSTAT_END_INODE_OPS+5)
85 __uint32_t xs_log_writes;
86 __uint32_t xs_log_blocks;
87 __uint32_t xs_log_noiclogs;
88 __uint32_t xs_log_force;
89 __uint32_t xs_log_force_sleep;
90# define XFSSTAT_END_TAIL_PUSHING (XFSSTAT_END_LOG_OPS+10)
91 __uint32_t xs_try_logspace;
92 __uint32_t xs_sleep_logspace;
93 __uint32_t xs_push_ail;
94 __uint32_t xs_push_ail_success;
95 __uint32_t xs_push_ail_pushbuf;
96 __uint32_t xs_push_ail_pinned;
97 __uint32_t xs_push_ail_locked;
98 __uint32_t xs_push_ail_flushing;
99 __uint32_t xs_push_ail_restarts;
100 __uint32_t xs_push_ail_flush;
101# define XFSSTAT_END_WRITE_CONVERT (XFSSTAT_END_TAIL_PUSHING+2)
102 __uint32_t xs_xstrat_quick;
103 __uint32_t xs_xstrat_split;
104# define XFSSTAT_END_READ_WRITE_OPS (XFSSTAT_END_WRITE_CONVERT+2)
105 __uint32_t xs_write_calls;
106 __uint32_t xs_read_calls;
107# define XFSSTAT_END_ATTRIBUTE_OPS (XFSSTAT_END_READ_WRITE_OPS+4)
108 __uint32_t xs_attr_get;
109 __uint32_t xs_attr_set;
110 __uint32_t xs_attr_remove;
111 __uint32_t xs_attr_list;
112# define XFSSTAT_END_INODE_CLUSTER (XFSSTAT_END_ATTRIBUTE_OPS+3)
113 __uint32_t xs_iflush_count;
114 __uint32_t xs_icluster_flushcnt;
115 __uint32_t xs_icluster_flushinode;
116# define XFSSTAT_END_VNODE_OPS (XFSSTAT_END_INODE_CLUSTER+8)
117 __uint32_t vn_active; /* # vnodes not on free lists */
118 __uint32_t vn_alloc; /* # times vn_alloc called */
119 __uint32_t vn_get; /* # times vn_get called */
120 __uint32_t vn_hold; /* # times vn_hold called */
121 __uint32_t vn_rele; /* # times vn_rele called */
122 __uint32_t vn_reclaim; /* # times vn_reclaim called */
123 __uint32_t vn_remove; /* # times vn_remove called */
124 __uint32_t vn_free; /* # times vn_free called */
125#define XFSSTAT_END_BUF (XFSSTAT_END_VNODE_OPS+9)
126 __uint32_t pb_get;
127 __uint32_t pb_create;
128 __uint32_t pb_get_locked;
129 __uint32_t pb_get_locked_waited;
130 __uint32_t pb_busy_locked;
131 __uint32_t pb_miss_locked;
132 __uint32_t pb_page_retries;
133 __uint32_t pb_page_found;
134 __uint32_t pb_get_read;
135/* Extra precision counters */
136 __uint64_t xs_xstrat_bytes;
137 __uint64_t xs_write_bytes;
138 __uint64_t xs_read_bytes;
139};
140
141DECLARE_PER_CPU(struct xfsstats, xfsstats);
142
143/*
144 * We don't disable preempt, not too worried about poking the
145 * wrong CPU's stat for now (also aggregated before reporting).
146 */
147#define XFS_STATS_INC(v) (per_cpu(xfsstats, current_cpu()).v++)
148#define XFS_STATS_DEC(v) (per_cpu(xfsstats, current_cpu()).v--)
149#define XFS_STATS_ADD(v, inc) (per_cpu(xfsstats, current_cpu()).v += (inc))
150
151extern void xfs_init_procfs(void);
152extern void xfs_cleanup_procfs(void);
153
154
155#else /* !CONFIG_PROC_FS */
156
157# define XFS_STATS_INC(count)
158# define XFS_STATS_DEC(count)
159# define XFS_STATS_ADD(count, inc)
160
161static __inline void xfs_init_procfs(void) { };
162static __inline void xfs_cleanup_procfs(void) { };
163
164#endif /* !CONFIG_PROC_FS */
165
166#endif /* __XFS_STATS_H__ */
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