XFS: xfs_trans_add_item() - don't assign in ASSERT() when compare is intended
[linux-2.6.git] / fs / xfs / xfs_stats.h
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 /* Version 2 btree counters */
122 #define XFSSTAT_END_ABTB_V2             (XFSSTAT_END_BUF+15)
123         __uint32_t              xs_abtb_2_lookup;
124         __uint32_t              xs_abtb_2_compare;
125         __uint32_t              xs_abtb_2_insrec;
126         __uint32_t              xs_abtb_2_delrec;
127         __uint32_t              xs_abtb_2_newroot;
128         __uint32_t              xs_abtb_2_killroot;
129         __uint32_t              xs_abtb_2_increment;
130         __uint32_t              xs_abtb_2_decrement;
131         __uint32_t              xs_abtb_2_lshift;
132         __uint32_t              xs_abtb_2_rshift;
133         __uint32_t              xs_abtb_2_split;
134         __uint32_t              xs_abtb_2_join;
135         __uint32_t              xs_abtb_2_alloc;
136         __uint32_t              xs_abtb_2_free;
137         __uint32_t              xs_abtb_2_moves;
138 #define XFSSTAT_END_ABTC_V2             (XFSSTAT_END_ABTB_V2+15)
139         __uint32_t              xs_abtc_2_lookup;
140         __uint32_t              xs_abtc_2_compare;
141         __uint32_t              xs_abtc_2_insrec;
142         __uint32_t              xs_abtc_2_delrec;
143         __uint32_t              xs_abtc_2_newroot;
144         __uint32_t              xs_abtc_2_killroot;
145         __uint32_t              xs_abtc_2_increment;
146         __uint32_t              xs_abtc_2_decrement;
147         __uint32_t              xs_abtc_2_lshift;
148         __uint32_t              xs_abtc_2_rshift;
149         __uint32_t              xs_abtc_2_split;
150         __uint32_t              xs_abtc_2_join;
151         __uint32_t              xs_abtc_2_alloc;
152         __uint32_t              xs_abtc_2_free;
153         __uint32_t              xs_abtc_2_moves;
154 #define XFSSTAT_END_BMBT_V2             (XFSSTAT_END_ABTC_V2+15)
155         __uint32_t              xs_bmbt_2_lookup;
156         __uint32_t              xs_bmbt_2_compare;
157         __uint32_t              xs_bmbt_2_insrec;
158         __uint32_t              xs_bmbt_2_delrec;
159         __uint32_t              xs_bmbt_2_newroot;
160         __uint32_t              xs_bmbt_2_killroot;
161         __uint32_t              xs_bmbt_2_increment;
162         __uint32_t              xs_bmbt_2_decrement;
163         __uint32_t              xs_bmbt_2_lshift;
164         __uint32_t              xs_bmbt_2_rshift;
165         __uint32_t              xs_bmbt_2_split;
166         __uint32_t              xs_bmbt_2_join;
167         __uint32_t              xs_bmbt_2_alloc;
168         __uint32_t              xs_bmbt_2_free;
169         __uint32_t              xs_bmbt_2_moves;
170 #define XFSSTAT_END_IBT_V2              (XFSSTAT_END_BMBT_V2+15)
171         __uint32_t              xs_ibt_2_lookup;
172         __uint32_t              xs_ibt_2_compare;
173         __uint32_t              xs_ibt_2_insrec;
174         __uint32_t              xs_ibt_2_delrec;
175         __uint32_t              xs_ibt_2_newroot;
176         __uint32_t              xs_ibt_2_killroot;
177         __uint32_t              xs_ibt_2_increment;
178         __uint32_t              xs_ibt_2_decrement;
179         __uint32_t              xs_ibt_2_lshift;
180         __uint32_t              xs_ibt_2_rshift;
181         __uint32_t              xs_ibt_2_split;
182         __uint32_t              xs_ibt_2_join;
183         __uint32_t              xs_ibt_2_alloc;
184         __uint32_t              xs_ibt_2_free;
185         __uint32_t              xs_ibt_2_moves;
186 /* Extra precision counters */
187         __uint64_t              xs_xstrat_bytes;
188         __uint64_t              xs_write_bytes;
189         __uint64_t              xs_read_bytes;
190 };
191
192 DECLARE_PER_CPU(struct xfsstats, xfsstats);
193
194 /*
195  * We don't disable preempt, not too worried about poking the
196  * wrong CPU's stat for now (also aggregated before reporting).
197  */
198 #define XFS_STATS_INC(v)        (per_cpu(xfsstats, current_cpu()).v++)
199 #define XFS_STATS_DEC(v)        (per_cpu(xfsstats, current_cpu()).v--)
200 #define XFS_STATS_ADD(v, inc)   (per_cpu(xfsstats, current_cpu()).v += (inc))
201
202 extern int xfs_init_procfs(void);
203 extern void xfs_cleanup_procfs(void);
204
205
206 #else   /* !CONFIG_PROC_FS */
207
208 # define XFS_STATS_INC(count)
209 # define XFS_STATS_DEC(count)
210 # define XFS_STATS_ADD(count, inc)
211
212 static inline int xfs_init_procfs(void)
213 {
214         return 0;
215 }
216
217 static inline void xfs_cleanup_procfs(void)
218 {
219 }
220
221 #endif  /* !CONFIG_PROC_FS */
222
223 #endif /* __XFS_STATS_H__ */