fs/xfs/linux-2.6/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
  22 #if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
  23
  24 #include <linux/percpu.h>
  25
  26 /*
  27  * XFS global statistics
  28  */
  29 struct xfsstats {
  30 # define XFSSTAT_END_EXTENT_ALLOC       4
  31         __uint32_t              xs_allocx;
  32         __uint32_t              xs_allocb;
  33         __uint32_t              xs_freex;
  34         __uint32_t              xs_freeb;
  35 # define XFSSTAT_END_ALLOC_BTREE        (XFSSTAT_END_EXTENT_ALLOC+4)
  36         __uint32_t              xs_abt_lookup;
  37         __uint32_t              xs_abt_compare;
  38         __uint32_t              xs_abt_insrec;
  39         __uint32_t              xs_abt_delrec;
  40 # define XFSSTAT_END_BLOCK_MAPPING      (XFSSTAT_END_ALLOC_BTREE+7)
  41         __uint32_t              xs_blk_mapr;
  42         __uint32_t              xs_blk_mapw;
  43         __uint32_t              xs_blk_unmap;
  44         __uint32_t              xs_add_exlist;
  45         __uint32_t              xs_del_exlist;
  46         __uint32_t              xs_look_exlist;
  47         __uint32_t              xs_cmp_exlist;
  48 # define XFSSTAT_END_BLOCK_MAP_BTREE    (XFSSTAT_END_BLOCK_MAPPING+4)
  49         __uint32_t              xs_bmbt_lookup;
  50         __uint32_t              xs_bmbt_compare;
  51         __uint32_t              xs_bmbt_insrec;
  52         __uint32_t              xs_bmbt_delrec;
  53 # define XFSSTAT_END_DIRECTORY_OPS      (XFSSTAT_END_BLOCK_MAP_BTREE+4)
  54         __uint32_t              xs_dir_lookup;
  55         __uint32_t              xs_dir_create;
  56         __uint32_t              xs_dir_remove;
  57         __uint32_t              xs_dir_getdents;
  58 # define XFSSTAT_END_TRANSACTIONS       (XFSSTAT_END_DIRECTORY_OPS+3)
  59         __uint32_t              xs_trans_sync;
  60         __uint32_t              xs_trans_async;
  61         __uint32_t              xs_trans_empty;
  62 # define XFSSTAT_END_INODE_OPS          (XFSSTAT_END_TRANSACTIONS+7)
  63         __uint32_t              xs_ig_attempts;
  64         __uint32_t              xs_ig_found;
  65         __uint32_t              xs_ig_frecycle;
  66         __uint32_t              xs_ig_missed;
  67         __uint32_t              xs_ig_dup;
  68         __uint32_t              xs_ig_reclaims;
  69         __uint32_t              xs_ig_attrchg;
  70 # define XFSSTAT_END_LOG_OPS            (XFSSTAT_END_INODE_OPS+5)
  71         __uint32_t              xs_log_writes;
  72         __uint32_t              xs_log_blocks;
  73         __uint32_t              xs_log_noiclogs;
  74         __uint32_t              xs_log_force;
  75         __uint32_t              xs_log_force_sleep;
  76 # define XFSSTAT_END_TAIL_PUSHING       (XFSSTAT_END_LOG_OPS+10)
  77         __uint32_t              xs_try_logspace;
  78         __uint32_t              xs_sleep_logspace;
  79         __uint32_t              xs_push_ail;
  80         __uint32_t              xs_push_ail_success;
  81         __uint32_t              xs_push_ail_pushbuf;
  82         __uint32_t              xs_push_ail_pinned;
  83         __uint32_t              xs_push_ail_locked;
  84         __uint32_t              xs_push_ail_flushing;
  85         __uint32_t              xs_push_ail_restarts;
  86         __uint32_t              xs_push_ail_flush;
  87 # define XFSSTAT_END_WRITE_CONVERT      (XFSSTAT_END_TAIL_PUSHING+2)
  88         __uint32_t              xs_xstrat_quick;
  89         __uint32_t              xs_xstrat_split;
  90 # define XFSSTAT_END_READ_WRITE_OPS     (XFSSTAT_END_WRITE_CONVERT+2)
  91         __uint32_t              xs_write_calls;
  92         __uint32_t              xs_read_calls;
  93 # define XFSSTAT_END_ATTRIBUTE_OPS      (XFSSTAT_END_READ_WRITE_OPS+4)
  94         __uint32_t              xs_attr_get;
  95         __uint32_t              xs_attr_set;
  96         __uint32_t              xs_attr_remove;
  97         __uint32_t              xs_attr_list;
  98 # define XFSSTAT_END_INODE_CLUSTER      (XFSSTAT_END_ATTRIBUTE_OPS+3)
  99         __uint32_t              xs_iflush_count;
 100         __uint32_t              xs_icluster_flushcnt;
 101         __uint32_t              xs_icluster_flushinode;
 102 # define XFSSTAT_END_VNODE_OPS          (XFSSTAT_END_INODE_CLUSTER+8)
 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 #define XFSSTAT_END_BUF                 (XFSSTAT_END_VNODE_OPS+9)
 112         __uint32_t              xb_get;
 113         __uint32_t              xb_create;
 114         __uint32_t              xb_get_locked;
 115         __uint32_t              xb_get_locked_waited;
 116         __uint32_t              xb_busy_locked;
 117         __uint32_t              xb_miss_locked;
 118         __uint32_t              xb_page_retries;
 119         __uint32_t              xb_page_found;
 120         __uint32_t              xb_get_read;
 121 /* Extra precision counters */
 122         __uint64_t              xs_xstrat_bytes;
 123         __uint64_t              xs_write_bytes;
 124         __uint64_t              xs_read_bytes;
 125 };
 126
 127 DECLARE_PER_CPU(struct xfsstats, xfsstats);
 128
 129 /*
 130  * We don't disable preempt, not too worried about poking the
 131  * wrong CPU's stat for now (also aggregated before reporting).
 132  */
 133 #define XFS_STATS_INC(v)        (per_cpu(xfsstats, current_cpu()).v++)
 134 #define XFS_STATS_DEC(v)        (per_cpu(xfsstats, current_cpu()).v--)
 135 #define XFS_STATS_ADD(v, inc)   (per_cpu(xfsstats, current_cpu()).v += (inc))
 136
 137 extern void xfs_init_procfs(void);
 138 extern void xfs_cleanup_procfs(void);
 139
 140
 141 #else   /* !CONFIG_PROC_FS */
 142
 143 # define XFS_STATS_INC(count)
 144 # define XFS_STATS_DEC(count)
 145 # define XFS_STATS_ADD(count, inc)
 146
 147 static __inline void xfs_init_procfs(void) { };
 148 static __inline void xfs_cleanup_procfs(void) { };
 149
 150 #endif  /* !CONFIG_PROC_FS */
 151
 152 #endif /* __XFS_STATS_H__ */