xref: /linux/fs/xfs/xfs_stats.h (revision 79790b6818e96c58fe2bffee1b418c16e64e7b80)
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_rmap_mem_2[__XBTS_MAX];
129 	uint32_t		xs_rcbag_2[__XBTS_MAX];
130 	uint32_t		xs_qm_dqreclaims;
131 	uint32_t		xs_qm_dqreclaim_misses;
132 	uint32_t		xs_qm_dquot_dups;
133 	uint32_t		xs_qm_dqcachemisses;
134 	uint32_t		xs_qm_dqcachehits;
135 	uint32_t		xs_qm_dqwants;
136 	uint32_t		xs_qm_dquot;
137 	uint32_t		xs_qm_dquot_unused;
138 /* Extra precision counters */
139 	uint64_t		xs_xstrat_bytes;
140 	uint64_t		xs_write_bytes;
141 	uint64_t		xs_read_bytes;
142 	uint64_t		defer_relog;
143 };
144 
145 #define	xfsstats_offset(f)	(offsetof(struct __xfsstats, f)/sizeof(uint32_t))
146 
147 struct xfsstats {
148 	union {
149 		struct __xfsstats	s;
150 		uint32_t		a[xfsstats_offset(xs_qm_dquot)];
151 	};
152 };
153 
154 /*
155  * simple wrapper for getting the array index of s struct member offset
156  */
157 #define XFS_STATS_CALC_INDEX(member)	\
158 	(offsetof(struct __xfsstats, member) / (int)sizeof(uint32_t))
159 
160 
161 int xfs_stats_format(struct xfsstats __percpu *stats, char *buf);
162 void xfs_stats_clearall(struct xfsstats __percpu *stats);
163 extern struct xstats xfsstats;
164 
165 #define XFS_STATS_INC(mp, v)					\
166 do {								\
167 	per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++;	\
168 	per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++;	\
169 } while (0)
170 
171 #define XFS_STATS_DEC(mp, v)					\
172 do {								\
173 	per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--;	\
174 	per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--;	\
175 } while (0)
176 
177 #define XFS_STATS_ADD(mp, v, inc)					\
178 do {									\
179 	per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc);	\
180 	per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc);	\
181 } while (0)
182 
183 #define XFS_STATS_INC_OFF(mp, off)				\
184 do {								\
185 	per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++;	\
186 	per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++;	\
187 } while (0)
188 
189 #define XFS_STATS_DEC_OFF(mp, off)					\
190 do {								\
191 	per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off];	\
192 	per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off];	\
193 } while (0)
194 
195 #define XFS_STATS_ADD_OFF(mp, off, inc)					\
196 do {									\
197 	per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc);	\
198 	per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc);	\
199 } while (0)
200 
201 #if defined(CONFIG_PROC_FS)
202 
203 extern int xfs_init_procfs(void);
204 extern void xfs_cleanup_procfs(void);
205 
206 
207 #else	/* !CONFIG_PROC_FS */
208 
xfs_init_procfs(void)209 static inline int xfs_init_procfs(void)
210 {
211 	return 0;
212 }
213 
xfs_cleanup_procfs(void)214 static inline void xfs_cleanup_procfs(void)
215 {
216 }
217 
218 #endif	/* !CONFIG_PROC_FS */
219 
220 #endif /* __XFS_STATS_H__ */
221