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xfs_stats.h
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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 #define XFSSTAT_END_XQMSTAT (XFSSTAT_END_IBT_V2+6)
187  __uint32_t xs_qm_dqreclaims;
188  __uint32_t xs_qm_dqreclaim_misses;
189  __uint32_t xs_qm_dquot_dups;
190  __uint32_t xs_qm_dqcachemisses;
191  __uint32_t xs_qm_dqcachehits;
192  __uint32_t xs_qm_dqwants;
193 #define XFSSTAT_END_QM (XFSSTAT_END_XQMSTAT+2)
194  __uint32_t xs_qm_dquot;
195  __uint32_t xs_qm_dquot_unused;
196 /* Extra precision counters */
197  __uint64_t xs_xstrat_bytes;
198  __uint64_t xs_write_bytes;
199  __uint64_t xs_read_bytes;
200 };
201 
202 DECLARE_PER_CPU(struct xfsstats, xfsstats);
203 
204 /*
205  * We don't disable preempt, not too worried about poking the
206  * wrong CPU's stat for now (also aggregated before reporting).
207  */
208 #define XFS_STATS_INC(v) (per_cpu(xfsstats, current_cpu()).v++)
209 #define XFS_STATS_DEC(v) (per_cpu(xfsstats, current_cpu()).v--)
210 #define XFS_STATS_ADD(v, inc) (per_cpu(xfsstats, current_cpu()).v += (inc))
211 
212 extern int xfs_init_procfs(void);
213 extern void xfs_cleanup_procfs(void);
214 
215 
216 #else /* !CONFIG_PROC_FS */
217 
218 # define XFS_STATS_INC(count)
219 # define XFS_STATS_DEC(count)
220 # define XFS_STATS_ADD(count, inc)
221 
222 static inline int xfs_init_procfs(void)
223 {
224  return 0;
225 }
226 
227 static inline void xfs_cleanup_procfs(void)
228 {
229 }
230 
231 #endif /* !CONFIG_PROC_FS */
232 
233 #endif /* __XFS_STATS_H__ */
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