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 | uint32_t xs_allocx; |
45 | uint32_t xs_allocb; |
46 | uint32_t xs_freex; |
47 | uint32_t xs_freeb; |
48 | uint32_t xs_abt_lookup; |
49 | uint32_t xs_abt_compare; |
50 | uint32_t xs_abt_insrec; |
51 | uint32_t xs_abt_delrec; |
52 | uint32_t xs_blk_mapr; |
53 | uint32_t xs_blk_mapw; |
54 | uint32_t xs_blk_unmap; |
55 | uint32_t xs_add_exlist; |
56 | uint32_t xs_del_exlist; |
57 | uint32_t xs_look_exlist; |
58 | uint32_t xs_cmp_exlist; |
59 | uint32_t xs_bmbt_lookup; |
60 | uint32_t xs_bmbt_compare; |
61 | uint32_t xs_bmbt_insrec; |
62 | uint32_t xs_bmbt_delrec; |
63 | uint32_t xs_dir_lookup; |
64 | uint32_t xs_dir_create; |
65 | uint32_t xs_dir_remove; |
66 | uint32_t xs_dir_getdents; |
67 | uint32_t xs_trans_sync; |
68 | uint32_t xs_trans_async; |
69 | uint32_t xs_trans_empty; |
70 | uint32_t xs_ig_attempts; |
71 | uint32_t xs_ig_found; |
72 | uint32_t xs_ig_frecycle; |
73 | uint32_t xs_ig_missed; |
74 | uint32_t xs_ig_dup; |
75 | uint32_t xs_ig_reclaims; |
76 | uint32_t xs_ig_attrchg; |
77 | uint32_t xs_log_writes; |
78 | uint32_t xs_log_blocks; |
79 | uint32_t xs_log_noiclogs; |
80 | uint32_t xs_log_force; |
81 | uint32_t xs_log_force_sleep; |
82 | uint32_t xs_try_logspace; |
83 | uint32_t xs_sleep_logspace; |
84 | uint32_t xs_push_ail; |
85 | uint32_t xs_push_ail_success; |
86 | uint32_t xs_push_ail_pushbuf; |
87 | uint32_t xs_push_ail_pinned; |
88 | uint32_t xs_push_ail_locked; |
89 | uint32_t xs_push_ail_flushing; |
90 | uint32_t xs_push_ail_restarts; |
91 | uint32_t xs_push_ail_flush; |
92 | uint32_t xs_xstrat_quick; |
93 | uint32_t xs_xstrat_split; |
94 | uint32_t xs_write_calls; |
95 | uint32_t xs_read_calls; |
96 | uint32_t xs_attr_get; |
97 | uint32_t xs_attr_set; |
98 | uint32_t xs_attr_remove; |
99 | uint32_t xs_attr_list; |
100 | uint32_t xs_iflush_count; |
101 | uint32_t xs_icluster_flushcnt; |
102 | uint32_t xs_icluster_flushinode; |
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 | uint32_t xb_get; |
112 | uint32_t xb_create; |
113 | uint32_t xb_get_locked; |
114 | uint32_t xb_get_locked_waited; |
115 | uint32_t xb_busy_locked; |
116 | uint32_t xb_miss_locked; |
117 | uint32_t xb_page_retries; |
118 | uint32_t xb_page_found; |
119 | uint32_t xb_get_read; |
120 | /* Version 2 btree counters */ |
121 | uint32_t xs_abtb_2[__XBTS_MAX]; |
122 | uint32_t xs_abtc_2[__XBTS_MAX]; |
123 | uint32_t xs_bmbt_2[__XBTS_MAX]; |
124 | uint32_t xs_ibt_2[__XBTS_MAX]; |
125 | uint32_t xs_fibt_2[__XBTS_MAX]; |
126 | uint32_t xs_rmap_2[__XBTS_MAX]; |
127 | uint32_t xs_refcbt_2[__XBTS_MAX]; |
128 | uint32_t xs_qm_dqreclaims; |
129 | uint32_t xs_qm_dqreclaim_misses; |
130 | uint32_t xs_qm_dquot_dups; |
131 | uint32_t xs_qm_dqcachemisses; |
132 | uint32_t xs_qm_dqcachehits; |
133 | uint32_t xs_qm_dqwants; |
134 | uint32_t xs_qm_dquot; |
135 | uint32_t xs_qm_dquot_unused; |
136 | /* Extra precision counters */ |
137 | uint64_t xs_xstrat_bytes; |
138 | uint64_t xs_write_bytes; |
139 | uint64_t xs_read_bytes; |
140 | uint64_t defer_relog; |
141 | }; |
142 | |
143 | #define xfsstats_offset(f) (offsetof(struct __xfsstats, f)/sizeof(uint32_t)) |
144 | |
145 | struct xfsstats { |
146 | union { |
147 | struct __xfsstats s; |
148 | uint32_t a[xfsstats_offset(xs_qm_dquot)]; |
149 | }; |
150 | }; |
151 | |
152 | /* |
153 | * simple wrapper for getting the array index of s struct member offset |
154 | */ |
155 | #define XFS_STATS_CALC_INDEX(member) \ |
156 | (offsetof(struct __xfsstats, member) / (int)sizeof(uint32_t)) |
157 | |
158 | |
159 | int xfs_stats_format(struct xfsstats __percpu *stats, char *buf); |
160 | void xfs_stats_clearall(struct xfsstats __percpu *stats); |
161 | extern struct xstats xfsstats; |
162 | |
163 | #define XFS_STATS_INC(mp, v) \ |
164 | do { \ |
165 | per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++; \ |
166 | per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++; \ |
167 | } while (0) |
168 | |
169 | #define XFS_STATS_DEC(mp, v) \ |
170 | do { \ |
171 | per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--; \ |
172 | per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--; \ |
173 | } while (0) |
174 | |
175 | #define XFS_STATS_ADD(mp, v, inc) \ |
176 | do { \ |
177 | per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc); \ |
178 | per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc); \ |
179 | } while (0) |
180 | |
181 | #define XFS_STATS_INC_OFF(mp, off) \ |
182 | do { \ |
183 | per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++; \ |
184 | per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++; \ |
185 | } while (0) |
186 | |
187 | #define XFS_STATS_DEC_OFF(mp, off) \ |
188 | do { \ |
189 | per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]; \ |
190 | per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]; \ |
191 | } while (0) |
192 | |
193 | #define XFS_STATS_ADD_OFF(mp, off, inc) \ |
194 | do { \ |
195 | per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc); \ |
196 | per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc); \ |
197 | } while (0) |
198 | |
199 | #if defined(CONFIG_PROC_FS) |
200 | |
201 | extern int xfs_init_procfs(void); |
202 | extern void xfs_cleanup_procfs(void); |
203 | |
204 | |
205 | #else /* !CONFIG_PROC_FS */ |
206 | |
207 | static inline int xfs_init_procfs(void) |
208 | { |
209 | return 0; |
210 | } |
211 | |
212 | static inline void xfs_cleanup_procfs(void) |
213 | { |
214 | } |
215 | |
216 | #endif /* !CONFIG_PROC_FS */ |
217 | |
218 | #endif /* __XFS_STATS_H__ */ |
219 | |