fs/xfs/linux-2.6/xfs_stats.h

   1 /*
   2  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of version 2 of the GNU General Public License as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it would be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11  *
  12  * Further, this software is distributed without any warranty that it is
  13  * free of the rightful claim of any third person regarding infringement
  14  * or the like.  Any license provided herein, whether implied or
  15  * otherwise, applies only to this software file.  Patent licenses, if
  16  * any, provided herein do not apply to combinations of this program with
  17  * other software, or any other product whatsoever.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write the Free Software Foundation, Inc., 59
  21  * Temple Place - Suite 330, Boston MA 02111-1307, USA.
  22  *
  23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
  24  * Mountain View, CA  94043, or:
  25  *
  26  * http://www.sgi.com
  27  *
  28  * For further information regarding this notice, see:
  29  *
  30  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  31  */
  32 #ifndef __XFS_STATS_H__
  33 #define __XFS_STATS_H__
  34
  35
  36 #if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)
  37
  38 #include <linux/percpu.h>
  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              pb_get;
 127         __uint32_t              pb_create;
 128         __uint32_t              pb_get_locked;
 129         __uint32_t              pb_get_locked_waited;
 130         __uint32_t              pb_busy_locked;
 131         __uint32_t              pb_miss_locked;
 132         __uint32_t              pb_page_retries;
 133         __uint32_t              pb_page_found;
 134         __uint32_t              pb_get_read;
 135 /* Extra precision counters */
 136         __uint64_t              xs_xstrat_bytes;
 137         __uint64_t              xs_write_bytes;
 138         __uint64_t              xs_read_bytes;
 139 };
 140
 141 DECLARE_PER_CPU(struct xfsstats, xfsstats);
 142
 143 /*
 144  * We don't disable preempt, not too worried about poking the
 145  * wrong CPU's stat for now (also aggregated before reporting).
 146  */
 147 #define XFS_STATS_INC(v)        (per_cpu(xfsstats, current_cpu()).v++)
 148 #define XFS_STATS_DEC(v)        (per_cpu(xfsstats, current_cpu()).v--)
 149 #define XFS_STATS_ADD(v, inc)   (per_cpu(xfsstats, current_cpu()).v += (inc))
 150
 151 extern void xfs_init_procfs(void);
 152 extern void xfs_cleanup_procfs(void);
 153
 154
 155 #else   /* !CONFIG_PROC_FS */
 156
 157 # define XFS_STATS_INC(count)
 158 # define XFS_STATS_DEC(count)
 159 # define XFS_STATS_ADD(count, inc)
 160
 161 static __inline void xfs_init_procfs(void) { };
 162 static __inline void xfs_cleanup_procfs(void) { };
 163
 164 #endif  /* !CONFIG_PROC_FS */
 165
 166 #endif /* __XFS_STATS_H__ */