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 */ 227 228 static inline int xfs_init_procfs(void) 229 { 230 return 0; 231 } 232 233 static inline void xfs_cleanup_procfs(void) 234 { 235 } 236 237 #endif /* !CONFIG_PROC_FS */ 238 239 #endif /* __XFS_STATS_H__ */ 240