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 
xfs_init_procfs(void)222 static inline int xfs_init_procfs(void)
223 {
224 	return 0;
225 }
226 
xfs_cleanup_procfs(void)227 static inline void xfs_cleanup_procfs(void)
228 {
229 }
230 
231 #endif	/* !CONFIG_PROC_FS */
232 
233 #endif /* __XFS_STATS_H__ */
234