fs/xfs/xfs_stats.h

   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 int xfs_stats_format(char *buf);
  22 void xfs_stats_clearall(void);
  23
  24 #if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
  25
  26 #include <linux/percpu.h>
  27
  28 /*
  29  * XFS global statistics
  30  */
  31 struct xfsstats {
  32 # define XFSSTAT_END_EXTENT_ALLOC       4
  33         __uint32_t              xs_allocx;
  34         __uint32_t              xs_allocb;
  35         __uint32_t              xs_freex;
  36         __uint32_t              xs_freeb;
  37 # define XFSSTAT_END_ALLOC_BTREE        (XFSSTAT_END_EXTENT_ALLOC+4)
  38         __uint32_t              xs_abt_lookup;
  39         __uint32_t              xs_abt_compare;
  40         __uint32_t              xs_abt_insrec;
  41         __uint32_t              xs_abt_delrec;
  42 # define XFSSTAT_END_BLOCK_MAPPING      (XFSSTAT_END_ALLOC_BTREE+7)
  43         __uint32_t              xs_blk_mapr;
  44         __uint32_t              xs_blk_mapw;
  45         __uint32_t              xs_blk_unmap;
  46         __uint32_t              xs_add_exlist;
  47         __uint32_t              xs_del_exlist;
  48         __uint32_t              xs_look_exlist;
  49         __uint32_t              xs_cmp_exlist;
  50 # define XFSSTAT_END_BLOCK_MAP_BTREE    (XFSSTAT_END_BLOCK_MAPPING+4)
  51         __uint32_t              xs_bmbt_lookup;
  52         __uint32_t              xs_bmbt_compare;
  53         __uint32_t              xs_bmbt_insrec;
  54         __uint32_t              xs_bmbt_delrec;
  55 # define XFSSTAT_END_DIRECTORY_OPS      (XFSSTAT_END_BLOCK_MAP_BTREE+4)
  56         __uint32_t              xs_dir_lookup;
  57         __uint32_t              xs_dir_create;
  58         __uint32_t              xs_dir_remove;
  59         __uint32_t              xs_dir_getdents;
  60 # define XFSSTAT_END_TRANSACTIONS       (XFSSTAT_END_DIRECTORY_OPS+3)
  61         __uint32_t              xs_trans_sync;
  62         __uint32_t              xs_trans_async;
  63         __uint32_t              xs_trans_empty;
  64 # define XFSSTAT_END_INODE_OPS          (XFSSTAT_END_TRANSACTIONS+7)
  65         __uint32_t              xs_ig_attempts;
  66         __uint32_t              xs_ig_found;
  67         __uint32_t              xs_ig_frecycle;
  68         __uint32_t              xs_ig_missed;
  69         __uint32_t              xs_ig_dup;
  70         __uint32_t              xs_ig_reclaims;
  71         __uint32_t              xs_ig_attrchg;
  72 # define XFSSTAT_END_LOG_OPS            (XFSSTAT_END_INODE_OPS+5)
  73         __uint32_t              xs_log_writes;
  74         __uint32_t              xs_log_blocks;
  75         __uint32_t              xs_log_noiclogs;
  76         __uint32_t              xs_log_force;
  77         __uint32_t              xs_log_force_sleep;
  78 # define XFSSTAT_END_TAIL_PUSHING       (XFSSTAT_END_LOG_OPS+10)
  79         __uint32_t              xs_try_logspace;
  80         __uint32_t              xs_sleep_logspace;
  81         __uint32_t              xs_push_ail;
  82         __uint32_t              xs_push_ail_success;
  83         __uint32_t              xs_push_ail_pushbuf;
  84         __uint32_t              xs_push_ail_pinned;
  85         __uint32_t              xs_push_ail_locked;
  86         __uint32_t              xs_push_ail_flushing;
  87         __uint32_t              xs_push_ail_restarts;
  88         __uint32_t              xs_push_ail_flush;
  89 # define XFSSTAT_END_WRITE_CONVERT      (XFSSTAT_END_TAIL_PUSHING+2)
  90         __uint32_t              xs_xstrat_quick;
  91         __uint32_t              xs_xstrat_split;
  92 # define XFSSTAT_END_READ_WRITE_OPS     (XFSSTAT_END_WRITE_CONVERT+2)
  93         __uint32_t              xs_write_calls;
  94         __uint32_t              xs_read_calls;
  95 # define XFSSTAT_END_ATTRIBUTE_OPS      (XFSSTAT_END_READ_WRITE_OPS+4)
  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 # define XFSSTAT_END_INODE_CLUSTER      (XFSSTAT_END_ATTRIBUTE_OPS+3)
 101         __uint32_t              xs_iflush_count;
 102         __uint32_t              xs_icluster_flushcnt;
 103         __uint32_t              xs_icluster_flushinode;
 104 # define XFSSTAT_END_VNODE_OPS          (XFSSTAT_END_INODE_CLUSTER+8)
 105         __uint32_t              vn_active;      /* # vnodes not on free lists */
 106         __uint32_t              vn_alloc;       /* # times vn_alloc called */
 107         __uint32_t              vn_get;         /* # times vn_get called */
 108         __uint32_t              vn_hold;        /* # times vn_hold called */
 109         __uint32_t              vn_rele;        /* # times vn_rele called */
 110         __uint32_t              vn_reclaim;     /* # times vn_reclaim called */
 111         __uint32_t              vn_remove;      /* # times vn_remove called */
 112         __uint32_t              vn_free;        /* # times vn_free called */
 113 #define XFSSTAT_END_BUF                 (XFSSTAT_END_VNODE_OPS+9)
 114         __uint32_t              xb_get;
 115         __uint32_t              xb_create;
 116         __uint32_t              xb_get_locked;
 117         __uint32_t              xb_get_locked_waited;
 118         __uint32_t              xb_busy_locked;
 119         __uint32_t              xb_miss_locked;
 120         __uint32_t              xb_page_retries;
 121         __uint32_t              xb_page_found;
 122         __uint32_t              xb_get_read;
 123 /* Version 2 btree counters */
 124 #define XFSSTAT_END_ABTB_V2             (XFSSTAT_END_BUF+15)
 125         __uint32_t              xs_abtb_2_lookup;
 126         __uint32_t              xs_abtb_2_compare;
 127         __uint32_t              xs_abtb_2_insrec;
 128         __uint32_t              xs_abtb_2_delrec;
 129         __uint32_t              xs_abtb_2_newroot;
 130         __uint32_t              xs_abtb_2_killroot;
 131         __uint32_t              xs_abtb_2_increment;
 132         __uint32_t              xs_abtb_2_decrement;
 133         __uint32_t              xs_abtb_2_lshift;
 134         __uint32_t              xs_abtb_2_rshift;
 135         __uint32_t              xs_abtb_2_split;
 136         __uint32_t              xs_abtb_2_join;
 137         __uint32_t              xs_abtb_2_alloc;
 138         __uint32_t              xs_abtb_2_free;
 139         __uint32_t              xs_abtb_2_moves;
 140 #define XFSSTAT_END_ABTC_V2             (XFSSTAT_END_ABTB_V2+15)
 141         __uint32_t              xs_abtc_2_lookup;
 142         __uint32_t              xs_abtc_2_compare;
 143         __uint32_t              xs_abtc_2_insrec;
 144         __uint32_t              xs_abtc_2_delrec;
 145         __uint32_t              xs_abtc_2_newroot;
 146         __uint32_t              xs_abtc_2_killroot;
 147         __uint32_t              xs_abtc_2_increment;
 148         __uint32_t              xs_abtc_2_decrement;
 149         __uint32_t              xs_abtc_2_lshift;
 150         __uint32_t              xs_abtc_2_rshift;
 151         __uint32_t              xs_abtc_2_split;
 152         __uint32_t              xs_abtc_2_join;
 153         __uint32_t              xs_abtc_2_alloc;
 154         __uint32_t              xs_abtc_2_free;
 155         __uint32_t              xs_abtc_2_moves;
 156 #define XFSSTAT_END_BMBT_V2             (XFSSTAT_END_ABTC_V2+15)
 157         __uint32_t              xs_bmbt_2_lookup;
 158         __uint32_t              xs_bmbt_2_compare;
 159         __uint32_t              xs_bmbt_2_insrec;
 160         __uint32_t              xs_bmbt_2_delrec;
 161         __uint32_t              xs_bmbt_2_newroot;
 162         __uint32_t              xs_bmbt_2_killroot;
 163         __uint32_t              xs_bmbt_2_increment;
 164         __uint32_t              xs_bmbt_2_decrement;
 165         __uint32_t              xs_bmbt_2_lshift;
 166         __uint32_t              xs_bmbt_2_rshift;
 167         __uint32_t              xs_bmbt_2_split;
 168         __uint32_t              xs_bmbt_2_join;
 169         __uint32_t              xs_bmbt_2_alloc;
 170         __uint32_t              xs_bmbt_2_free;
 171         __uint32_t              xs_bmbt_2_moves;
 172 #define XFSSTAT_END_IBT_V2              (XFSSTAT_END_BMBT_V2+15)
 173         __uint32_t              xs_ibt_2_lookup;
 174         __uint32_t              xs_ibt_2_compare;
 175         __uint32_t              xs_ibt_2_insrec;
 176         __uint32_t              xs_ibt_2_delrec;
 177         __uint32_t              xs_ibt_2_newroot;
 178         __uint32_t              xs_ibt_2_killroot;
 179         __uint32_t              xs_ibt_2_increment;
 180         __uint32_t              xs_ibt_2_decrement;
 181         __uint32_t              xs_ibt_2_lshift;
 182         __uint32_t              xs_ibt_2_rshift;
 183         __uint32_t              xs_ibt_2_split;
 184         __uint32_t              xs_ibt_2_join;
 185         __uint32_t              xs_ibt_2_alloc;
 186         __uint32_t              xs_ibt_2_free;
 187         __uint32_t              xs_ibt_2_moves;
 188 #define XFSSTAT_END_FIBT_V2             (XFSSTAT_END_IBT_V2+15)
 189         __uint32_t              xs_fibt_2_lookup;
 190         __uint32_t              xs_fibt_2_compare;
 191         __uint32_t              xs_fibt_2_insrec;
 192         __uint32_t              xs_fibt_2_delrec;
 193         __uint32_t              xs_fibt_2_newroot;
 194         __uint32_t              xs_fibt_2_killroot;
 195         __uint32_t              xs_fibt_2_increment;
 196         __uint32_t              xs_fibt_2_decrement;
 197         __uint32_t              xs_fibt_2_lshift;
 198         __uint32_t              xs_fibt_2_rshift;
 199         __uint32_t              xs_fibt_2_split;
 200         __uint32_t              xs_fibt_2_join;
 201         __uint32_t              xs_fibt_2_alloc;
 202         __uint32_t              xs_fibt_2_free;
 203         __uint32_t              xs_fibt_2_moves;
 204 #define XFSSTAT_END_XQMSTAT             (XFSSTAT_END_FIBT_V2+6)
 205         __uint32_t              xs_qm_dqreclaims;
 206         __uint32_t              xs_qm_dqreclaim_misses;
 207         __uint32_t              xs_qm_dquot_dups;
 208         __uint32_t              xs_qm_dqcachemisses;
 209         __uint32_t              xs_qm_dqcachehits;
 210         __uint32_t              xs_qm_dqwants;
 211 #define XFSSTAT_END_QM                  (XFSSTAT_END_XQMSTAT+2)
 212         __uint32_t              xs_qm_dquot;
 213         __uint32_t              xs_qm_dquot_unused;
 214 /* Extra precision counters */
 215         __uint64_t              xs_xstrat_bytes;
 216         __uint64_t              xs_write_bytes;
 217         __uint64_t              xs_read_bytes;
 218 };
 219
 220 DECLARE_PER_CPU(struct xfsstats, xfsstats);
 221
 222 /*
 223  * We don't disable preempt, not too worried about poking the
 224  * wrong CPU's stat for now (also aggregated before reporting).
 225  */
 226 #define XFS_STATS_INC(v)        (per_cpu(xfsstats, current_cpu()).v++)
 227 #define XFS_STATS_DEC(v)        (per_cpu(xfsstats, current_cpu()).v--)
 228 #define XFS_STATS_ADD(v, inc)   (per_cpu(xfsstats, current_cpu()).v += (inc))
 229
 230 extern int xfs_init_procfs(void);
 231 extern void xfs_cleanup_procfs(void);
 232
 233
 234 #else   /* !CONFIG_PROC_FS */
 235
 236 # define XFS_STATS_INC(count)
 237 # define XFS_STATS_DEC(count)
 238 # define XFS_STATS_ADD(count, inc)
 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__ */