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 xfs_init_procfs(void)207 static inline int xfs_init_procfs(void) 208 { 209 return 0; 210 } 211 xfs_cleanup_procfs(void)212 static inline void xfs_cleanup_procfs(void) 213 { 214 } 215 216 #endif /* !CONFIG_PROC_FS */ 217 218 #endif /* __XFS_STATS_H__ */ 219