1 /* 2 * Copyright (c) 2000,2005 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 #ifndef __XFS_STATS_H__ 19 #define __XFS_STATS_H__ 20 21 22 #include <linux/percpu.h> 23 24 /* 25 * The btree stats arrays have fixed offsets for the different stats. We 26 * store the base index in the btree cursor via XFS_STATS_CALC_INDEX() and 27 * that allows us to use fixed offsets into the stats array for each btree 28 * stat. These index offsets are defined in the order they will be emitted 29 * in the stats files, so it is possible to add new btree stat types by 30 * appending to the enum list below. 31 */ 32 enum { 33 __XBTS_lookup = 0, 34 __XBTS_compare = 1, 35 __XBTS_insrec = 2, 36 __XBTS_delrec = 3, 37 __XBTS_newroot = 4, 38 __XBTS_killroot = 5, 39 __XBTS_increment = 6, 40 __XBTS_decrement = 7, 41 __XBTS_lshift = 8, 42 __XBTS_rshift = 9, 43 __XBTS_split = 10, 44 __XBTS_join = 11, 45 __XBTS_alloc = 12, 46 __XBTS_free = 13, 47 __XBTS_moves = 14, 48 49 __XBTS_MAX = 15, 50 }; 51 52 /* 53 * XFS global statistics 54 */ 55 struct __xfsstats { 56 # define XFSSTAT_END_EXTENT_ALLOC 4 57 __uint32_t xs_allocx; 58 __uint32_t xs_allocb; 59 __uint32_t xs_freex; 60 __uint32_t xs_freeb; 61 # define XFSSTAT_END_ALLOC_BTREE (XFSSTAT_END_EXTENT_ALLOC+4) 62 __uint32_t xs_abt_lookup; 63 __uint32_t xs_abt_compare; 64 __uint32_t xs_abt_insrec; 65 __uint32_t xs_abt_delrec; 66 # define XFSSTAT_END_BLOCK_MAPPING (XFSSTAT_END_ALLOC_BTREE+7) 67 __uint32_t xs_blk_mapr; 68 __uint32_t xs_blk_mapw; 69 __uint32_t xs_blk_unmap; 70 __uint32_t xs_add_exlist; 71 __uint32_t xs_del_exlist; 72 __uint32_t xs_look_exlist; 73 __uint32_t xs_cmp_exlist; 74 # define XFSSTAT_END_BLOCK_MAP_BTREE (XFSSTAT_END_BLOCK_MAPPING+4) 75 __uint32_t xs_bmbt_lookup; 76 __uint32_t xs_bmbt_compare; 77 __uint32_t xs_bmbt_insrec; 78 __uint32_t xs_bmbt_delrec; 79 # define XFSSTAT_END_DIRECTORY_OPS (XFSSTAT_END_BLOCK_MAP_BTREE+4) 80 __uint32_t xs_dir_lookup; 81 __uint32_t xs_dir_create; 82 __uint32_t xs_dir_remove; 83 __uint32_t xs_dir_getdents; 84 # define XFSSTAT_END_TRANSACTIONS (XFSSTAT_END_DIRECTORY_OPS+3) 85 __uint32_t xs_trans_sync; 86 __uint32_t xs_trans_async; 87 __uint32_t xs_trans_empty; 88 # define XFSSTAT_END_INODE_OPS (XFSSTAT_END_TRANSACTIONS+7) 89 __uint32_t xs_ig_attempts; 90 __uint32_t xs_ig_found; 91 __uint32_t xs_ig_frecycle; 92 __uint32_t xs_ig_missed; 93 __uint32_t xs_ig_dup; 94 __uint32_t xs_ig_reclaims; 95 __uint32_t xs_ig_attrchg; 96 # define XFSSTAT_END_LOG_OPS (XFSSTAT_END_INODE_OPS+5) 97 __uint32_t xs_log_writes; 98 __uint32_t xs_log_blocks; 99 __uint32_t xs_log_noiclogs; 100 __uint32_t xs_log_force; 101 __uint32_t xs_log_force_sleep; 102 # define XFSSTAT_END_TAIL_PUSHING (XFSSTAT_END_LOG_OPS+10) 103 __uint32_t xs_try_logspace; 104 __uint32_t xs_sleep_logspace; 105 __uint32_t xs_push_ail; 106 __uint32_t xs_push_ail_success; 107 __uint32_t xs_push_ail_pushbuf; 108 __uint32_t xs_push_ail_pinned; 109 __uint32_t xs_push_ail_locked; 110 __uint32_t xs_push_ail_flushing; 111 __uint32_t xs_push_ail_restarts; 112 __uint32_t xs_push_ail_flush; 113 # define XFSSTAT_END_WRITE_CONVERT (XFSSTAT_END_TAIL_PUSHING+2) 114 __uint32_t xs_xstrat_quick; 115 __uint32_t xs_xstrat_split; 116 # define XFSSTAT_END_READ_WRITE_OPS (XFSSTAT_END_WRITE_CONVERT+2) 117 __uint32_t xs_write_calls; 118 __uint32_t xs_read_calls; 119 # define XFSSTAT_END_ATTRIBUTE_OPS (XFSSTAT_END_READ_WRITE_OPS+4) 120 __uint32_t xs_attr_get; 121 __uint32_t xs_attr_set; 122 __uint32_t xs_attr_remove; 123 __uint32_t xs_attr_list; 124 # define XFSSTAT_END_INODE_CLUSTER (XFSSTAT_END_ATTRIBUTE_OPS+3) 125 __uint32_t xs_iflush_count; 126 __uint32_t xs_icluster_flushcnt; 127 __uint32_t xs_icluster_flushinode; 128 # define XFSSTAT_END_VNODE_OPS (XFSSTAT_END_INODE_CLUSTER+8) 129 __uint32_t vn_active; /* # vnodes not on free lists */ 130 __uint32_t vn_alloc; /* # times vn_alloc called */ 131 __uint32_t vn_get; /* # times vn_get called */ 132 __uint32_t vn_hold; /* # times vn_hold called */ 133 __uint32_t vn_rele; /* # times vn_rele called */ 134 __uint32_t vn_reclaim; /* # times vn_reclaim called */ 135 __uint32_t vn_remove; /* # times vn_remove called */ 136 __uint32_t vn_free; /* # times vn_free called */ 137 #define XFSSTAT_END_BUF (XFSSTAT_END_VNODE_OPS+9) 138 __uint32_t xb_get; 139 __uint32_t xb_create; 140 __uint32_t xb_get_locked; 141 __uint32_t xb_get_locked_waited; 142 __uint32_t xb_busy_locked; 143 __uint32_t xb_miss_locked; 144 __uint32_t xb_page_retries; 145 __uint32_t xb_page_found; 146 __uint32_t xb_get_read; 147 /* Version 2 btree counters */ 148 #define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF + __XBTS_MAX) 149 __uint32_t xs_abtb_2[__XBTS_MAX]; 150 #define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2 + __XBTS_MAX) 151 __uint32_t xs_abtc_2[__XBTS_MAX]; 152 #define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2 + __XBTS_MAX) 153 __uint32_t xs_bmbt_2[__XBTS_MAX]; 154 #define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2 + __XBTS_MAX) 155 __uint32_t xs_ibt_2[__XBTS_MAX]; 156 #define XFSSTAT_END_FIBT_V2 (XFSSTAT_END_IBT_V2 + __XBTS_MAX) 157 __uint32_t xs_fibt_2[__XBTS_MAX]; 158 #define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2 + __XBTS_MAX) 159 __uint32_t xs_rmap_2[__XBTS_MAX]; 160 #define XFSSTAT_END_REFCOUNT (XFSSTAT_END_RMAP_V2 + __XBTS_MAX) 161 __uint32_t xs_refcbt_2[__XBTS_MAX]; 162 #define XFSSTAT_END_XQMSTAT (XFSSTAT_END_REFCOUNT + 6) 163 __uint32_t xs_qm_dqreclaims; 164 __uint32_t xs_qm_dqreclaim_misses; 165 __uint32_t xs_qm_dquot_dups; 166 __uint32_t xs_qm_dqcachemisses; 167 __uint32_t xs_qm_dqcachehits; 168 __uint32_t xs_qm_dqwants; 169 #define XFSSTAT_END_QM (XFSSTAT_END_XQMSTAT+2) 170 __uint32_t xs_qm_dquot; 171 __uint32_t xs_qm_dquot_unused; 172 /* Extra precision counters */ 173 __uint64_t xs_xstrat_bytes; 174 __uint64_t xs_write_bytes; 175 __uint64_t xs_read_bytes; 176 }; 177 178 struct xfsstats { 179 union { 180 struct __xfsstats s; 181 uint32_t a[XFSSTAT_END_XQMSTAT]; 182 }; 183 }; 184 185 /* 186 * simple wrapper for getting the array index of s struct member offset 187 */ 188 #define XFS_STATS_CALC_INDEX(member) \ 189 (offsetof(struct __xfsstats, member) / (int)sizeof(__uint32_t)) 190 191 192 int xfs_stats_format(struct xfsstats __percpu *stats, char *buf); 193 void xfs_stats_clearall(struct xfsstats __percpu *stats); 194 extern struct xstats xfsstats; 195 196 #define XFS_STATS_INC(mp, v) \ 197 do { \ 198 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++; \ 199 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++; \ 200 } while (0) 201 202 #define XFS_STATS_DEC(mp, v) \ 203 do { \ 204 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--; \ 205 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--; \ 206 } while (0) 207 208 #define XFS_STATS_ADD(mp, v, inc) \ 209 do { \ 210 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc); \ 211 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc); \ 212 } while (0) 213 214 #define XFS_STATS_INC_OFF(mp, off) \ 215 do { \ 216 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++; \ 217 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++; \ 218 } while (0) 219 220 #define XFS_STATS_DEC_OFF(mp, off) \ 221 do { \ 222 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]; \ 223 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]; \ 224 } while (0) 225 226 #define XFS_STATS_ADD_OFF(mp, off, inc) \ 227 do { \ 228 per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc); \ 229 per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc); \ 230 } while (0) 231 232 #if defined(CONFIG_PROC_FS) 233 234 extern int xfs_init_procfs(void); 235 extern void xfs_cleanup_procfs(void); 236 237 238 #else /* !CONFIG_PROC_FS */ 239 240 static inline int xfs_init_procfs(void) 241 { 242 return 0; 243 } 244 245 static inline void xfs_cleanup_procfs(void) 246 { 247 } 248 249 #endif /* !CONFIG_PROC_FS */ 250 251 #endif /* __XFS_STATS_H__ */ 252