1 /*
2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18 #ifndef __XFS_STATS_H__
19 #define __XFS_STATS_H__
20
21
22 #if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
23
24 #include <linux/percpu.h>
25
26 /*
27 * XFS global statistics
28 */
29 struct xfsstats {
30 # define XFSSTAT_END_EXTENT_ALLOC 4
31 __uint32_t xs_allocx;
32 __uint32_t xs_allocb;
33 __uint32_t xs_freex;
34 __uint32_t xs_freeb;
35 # define XFSSTAT_END_ALLOC_BTREE (XFSSTAT_END_EXTENT_ALLOC+4)
36 __uint32_t xs_abt_lookup;
37 __uint32_t xs_abt_compare;
38 __uint32_t xs_abt_insrec;
39 __uint32_t xs_abt_delrec;
40 # define XFSSTAT_END_BLOCK_MAPPING (XFSSTAT_END_ALLOC_BTREE+7)
41 __uint32_t xs_blk_mapr;
42 __uint32_t xs_blk_mapw;
43 __uint32_t xs_blk_unmap;
44 __uint32_t xs_add_exlist;
45 __uint32_t xs_del_exlist;
46 __uint32_t xs_look_exlist;
47 __uint32_t xs_cmp_exlist;
48 # define XFSSTAT_END_BLOCK_MAP_BTREE (XFSSTAT_END_BLOCK_MAPPING+4)
49 __uint32_t xs_bmbt_lookup;
50 __uint32_t xs_bmbt_compare;
51 __uint32_t xs_bmbt_insrec;
52 __uint32_t xs_bmbt_delrec;
53 # define XFSSTAT_END_DIRECTORY_OPS (XFSSTAT_END_BLOCK_MAP_BTREE+4)
54 __uint32_t xs_dir_lookup;
55 __uint32_t xs_dir_create;
56 __uint32_t xs_dir_remove;
57 __uint32_t xs_dir_getdents;
58 # define XFSSTAT_END_TRANSACTIONS (XFSSTAT_END_DIRECTORY_OPS+3)
59 __uint32_t xs_trans_sync;
60 __uint32_t xs_trans_async;
61 __uint32_t xs_trans_empty;
62 # define XFSSTAT_END_INODE_OPS (XFSSTAT_END_TRANSACTIONS+7)
63 __uint32_t xs_ig_attempts;
64 __uint32_t xs_ig_found;
65 __uint32_t xs_ig_frecycle;
66 __uint32_t xs_ig_missed;
67 __uint32_t xs_ig_dup;
68 __uint32_t xs_ig_reclaims;
69 __uint32_t xs_ig_attrchg;
70 # define XFSSTAT_END_LOG_OPS (XFSSTAT_END_INODE_OPS+5)
71 __uint32_t xs_log_writes;
72 __uint32_t xs_log_blocks;
73 __uint32_t xs_log_noiclogs;
74 __uint32_t xs_log_force;
75 __uint32_t xs_log_force_sleep;
76 # define XFSSTAT_END_TAIL_PUSHING (XFSSTAT_END_LOG_OPS+10)
77 __uint32_t xs_try_logspace;
78 __uint32_t xs_sleep_logspace;
79 __uint32_t xs_push_ail;
80 __uint32_t xs_push_ail_success;
81 __uint32_t xs_push_ail_pushbuf;
82 __uint32_t xs_push_ail_pinned;
83 __uint32_t xs_push_ail_locked;
84 __uint32_t xs_push_ail_flushing;
85 __uint32_t xs_push_ail_restarts;
86 __uint32_t xs_push_ail_flush;
87 # define XFSSTAT_END_WRITE_CONVERT (XFSSTAT_END_TAIL_PUSHING+2)
88 __uint32_t xs_xstrat_quick;
89 __uint32_t xs_xstrat_split;
90 # define XFSSTAT_END_READ_WRITE_OPS (XFSSTAT_END_WRITE_CONVERT+2)
91 __uint32_t xs_write_calls;
92 __uint32_t xs_read_calls;
93 # define XFSSTAT_END_ATTRIBUTE_OPS (XFSSTAT_END_READ_WRITE_OPS+4)
94 __uint32_t xs_attr_get;
95 __uint32_t xs_attr_set;
96 __uint32_t xs_attr_remove;
97 __uint32_t xs_attr_list;
98 # define XFSSTAT_END_INODE_CLUSTER (XFSSTAT_END_ATTRIBUTE_OPS+3)
99 __uint32_t xs_iflush_count;
100 __uint32_t xs_icluster_flushcnt;
101 __uint32_t xs_icluster_flushinode;
102 # define XFSSTAT_END_VNODE_OPS (XFSSTAT_END_INODE_CLUSTER+8)
103 __uint32_t vn_active; /* # vnodes not on free lists */
104 __uint32_t vn_alloc; /* # times vn_alloc called */
105 __uint32_t vn_get; /* # times vn_get called */
106 __uint32_t vn_hold; /* # times vn_hold called */
107 __uint32_t vn_rele; /* # times vn_rele called */
108 __uint32_t vn_reclaim; /* # times vn_reclaim called */
109 __uint32_t vn_remove; /* # times vn_remove called */
110 __uint32_t vn_free; /* # times vn_free called */
111 #define XFSSTAT_END_BUF (XFSSTAT_END_VNODE_OPS+9)
112 __uint32_t xb_get;
113 __uint32_t xb_create;
114 __uint32_t xb_get_locked;
115 __uint32_t xb_get_locked_waited;
116 __uint32_t xb_busy_locked;
117 __uint32_t xb_miss_locked;
118 __uint32_t xb_page_retries;
119 __uint32_t xb_page_found;
120 __uint32_t xb_get_read;
121 /* Extra precision counters */
122 __uint64_t xs_xstrat_bytes;
123 __uint64_t xs_write_bytes;
124 __uint64_t xs_read_bytes;
125 };
126
127 DECLARE_PER_CPU(struct xfsstats, xfsstats);
128
129 /*
130 * We don't disable preempt, not too worried about poking the
131 * wrong CPU's stat for now (also aggregated before reporting).
132 */
133 #define XFS_STATS_INC(v) (per_cpu(xfsstats, current_cpu()).v++)
134 #define XFS_STATS_DEC(v) (per_cpu(xfsstats, current_cpu()).v--)
135 #define XFS_STATS_ADD(v, inc) (per_cpu(xfsstats, current_cpu()).v += (inc))
136
137 extern void xfs_init_procfs(void);
138 extern void xfs_cleanup_procfs(void);
139
140
141 #else /* !CONFIG_PROC_FS */
142
143 # define XFS_STATS_INC(count)
144 # define XFS_STATS_DEC(count)
145 # define XFS_STATS_ADD(count, inc)
146
147 static __inline void xfs_init_procfs(void) { };
148 static __inline void xfs_cleanup_procfs(void) { };
149
150 #endif /* !CONFIG_PROC_FS */
151
152 #endif /* __XFS_STATS_H__ */
153
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