1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6 #ifndef __XFS_STATS_H__
7 #define __XFS_STATS_H__
8
9
10 #include <linux/percpu.h>
11
12 /*
13 * The btree stats arrays have fixed offsets for the different stats. We
14 * store the base index in the btree cursor via XFS_STATS_CALC_INDEX() and
15 * that allows us to use fixed offsets into the stats array for each btree
16 * stat. These index offsets are defined in the order they will be emitted
17 * in the stats files, so it is possible to add new btree stat types by
18 * appending to the enum list below.
19 */
20 enum {
21 __XBTS_lookup = 0,
22 __XBTS_compare = 1,
23 __XBTS_insrec = 2,
24 __XBTS_delrec = 3,
25 __XBTS_newroot = 4,
26 __XBTS_killroot = 5,
27 __XBTS_increment = 6,
28 __XBTS_decrement = 7,
29 __XBTS_lshift = 8,
30 __XBTS_rshift = 9,
31 __XBTS_split = 10,
32 __XBTS_join = 11,
33 __XBTS_alloc = 12,
34 __XBTS_free = 13,
35 __XBTS_moves = 14,
36
37 __XBTS_MAX = 15,
38 };
39
40 /*
41 * XFS global statistics
42 */
43 struct __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 xb_get;
127 uint32_t xb_create;
128 uint32_t xb_get_locked;
129 uint32_t xb_get_locked_waited;
130 uint32_t xb_busy_locked;
131 uint32_t xb_miss_locked;
132 uint32_t xb_page_retries;
133 uint32_t xb_page_found;
134 uint32_t xb_get_read;
135 /* Version 2 btree counters */
136 #define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF + __XBTS_MAX)
137 uint32_t xs_abtb_2[__XBTS_MAX];
138 #define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2 + __XBTS_MAX)
139 uint32_t xs_abtc_2[__XBTS_MAX];
140 #define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2 + __XBTS_MAX)
141 uint32_t xs_bmbt_2[__XBTS_MAX];
142 #define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2 + __XBTS_MAX)
143 uint32_t xs_ibt_2[__XBTS_MAX];
144 #define XFSSTAT_END_FIBT_V2 (XFSSTAT_END_IBT_V2 + __XBTS_MAX)
145 uint32_t xs_fibt_2[__XBTS_MAX];
146 #define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2 + __XBTS_MAX)
147 uint32_t xs_rmap_2[__XBTS_MAX];
148 #define XFSSTAT_END_REFCOUNT (XFSSTAT_END_RMAP_V2 + __XBTS_MAX)
149 uint32_t xs_refcbt_2[__XBTS_MAX];
150 #define XFSSTAT_END_XQMSTAT (XFSSTAT_END_REFCOUNT + 6)
151 uint32_t xs_qm_dqreclaims;
152 uint32_t xs_qm_dqreclaim_misses;
153 uint32_t xs_qm_dquot_dups;
154 uint32_t xs_qm_dqcachemisses;
155 uint32_t xs_qm_dqcachehits;
156 uint32_t xs_qm_dqwants;
157 #define XFSSTAT_END_QM (XFSSTAT_END_XQMSTAT+2)
158 uint32_t xs_qm_dquot;
159 uint32_t xs_qm_dquot_unused;
160 /* Extra precision counters */
161 uint64_t xs_xstrat_bytes;
162 uint64_t xs_write_bytes;
163 uint64_t xs_read_bytes;
164 };
165
166 struct xfsstats {
167 union {
168 struct __xfsstats s;
169 uint32_t a[XFSSTAT_END_XQMSTAT];
170 };
171 };
172
173 /*
174 * simple wrapper for getting the array index of s struct member offset
175 */
176 #define XFS_STATS_CALC_INDEX(member) \
177 (offsetof(struct __xfsstats, member) / (int)sizeof(uint32_t))
178
179
180 int xfs_stats_format(struct xfsstats __percpu *stats, char *buf);
181 void xfs_stats_clearall(struct xfsstats __percpu *stats);
182 extern struct xstats xfsstats;
183
184 #define XFS_STATS_INC(mp, v) \
185 do { \
186 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++; \
187 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++; \
188 } while (0)
189
190 #define XFS_STATS_DEC(mp, v) \
191 do { \
192 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--; \
193 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--; \
194 } while (0)
195
196 #define XFS_STATS_ADD(mp, v, inc) \
197 do { \
198 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc); \
199 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc); \
200 } while (0)
201
202 #define XFS_STATS_INC_OFF(mp, off) \
203 do { \
204 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++; \
205 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++; \
206 } while (0)
207
208 #define XFS_STATS_DEC_OFF(mp, off) \
209 do { \
210 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]; \
211 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]; \
212 } while (0)
213
214 #define XFS_STATS_ADD_OFF(mp, off, inc) \
215 do { \
216 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc); \
217 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc); \
218 } while (0)
219
220 #if defined(CONFIG_PROC_FS)
221
222 extern int xfs_init_procfs(void);
223 extern void xfs_cleanup_procfs(void);
224
225
226 #else /* !CONFIG_PROC_FS */
227
xfs_init_procfs(void)228 static inline int xfs_init_procfs(void)
229 {
230 return 0;
231 }
232
xfs_cleanup_procfs(void)233 static inline void xfs_cleanup_procfs(void)
234 {
235 }
236
237 #endif /* !CONFIG_PROC_FS */
238
239 #endif /* __XFS_STATS_H__ */
240