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root/fs/xfs/linux-2.6/xfs_stats.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. xfs_init_procfs
  2. xfs_cleanup_procfs

/*
 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef __XFS_STATS_H__
#define __XFS_STATS_H__


#if defined(CONFIG_PROC_FS) && !defined(XFS_STATS_OFF)

#include <linux/percpu.h>

/*
 * XFS global statistics
 */
struct xfsstats {
# define XFSSTAT_END_EXTENT_ALLOC       4
        __uint32_t              xs_allocx;
        __uint32_t              xs_allocb;
        __uint32_t              xs_freex;
        __uint32_t              xs_freeb;
# define XFSSTAT_END_ALLOC_BTREE        (XFSSTAT_END_EXTENT_ALLOC+4)
        __uint32_t              xs_abt_lookup;
        __uint32_t              xs_abt_compare;
        __uint32_t              xs_abt_insrec;
        __uint32_t              xs_abt_delrec;
# define XFSSTAT_END_BLOCK_MAPPING      (XFSSTAT_END_ALLOC_BTREE+7)
        __uint32_t              xs_blk_mapr;
        __uint32_t              xs_blk_mapw;
        __uint32_t              xs_blk_unmap;
        __uint32_t              xs_add_exlist;
        __uint32_t              xs_del_exlist;
        __uint32_t              xs_look_exlist;
        __uint32_t              xs_cmp_exlist;
# define XFSSTAT_END_BLOCK_MAP_BTREE    (XFSSTAT_END_BLOCK_MAPPING+4)
        __uint32_t              xs_bmbt_lookup;
        __uint32_t              xs_bmbt_compare;
        __uint32_t              xs_bmbt_insrec;
        __uint32_t              xs_bmbt_delrec;
# define XFSSTAT_END_DIRECTORY_OPS      (XFSSTAT_END_BLOCK_MAP_BTREE+4)
        __uint32_t              xs_dir_lookup;
        __uint32_t              xs_dir_create;
        __uint32_t              xs_dir_remove;
        __uint32_t              xs_dir_getdents;
# define XFSSTAT_END_TRANSACTIONS       (XFSSTAT_END_DIRECTORY_OPS+3)
        __uint32_t              xs_trans_sync;
        __uint32_t              xs_trans_async;
        __uint32_t              xs_trans_empty;
# define XFSSTAT_END_INODE_OPS          (XFSSTAT_END_TRANSACTIONS+7)
        __uint32_t              xs_ig_attempts;
        __uint32_t              xs_ig_found;
        __uint32_t              xs_ig_frecycle;
        __uint32_t              xs_ig_missed;
        __uint32_t              xs_ig_dup;
        __uint32_t              xs_ig_reclaims;
        __uint32_t              xs_ig_attrchg;
# define XFSSTAT_END_LOG_OPS            (XFSSTAT_END_INODE_OPS+5)
        __uint32_t              xs_log_writes;
        __uint32_t              xs_log_blocks;
        __uint32_t              xs_log_noiclogs;
        __uint32_t              xs_log_force;
        __uint32_t              xs_log_force_sleep;
# define XFSSTAT_END_TAIL_PUSHING       (XFSSTAT_END_LOG_OPS+10)
        __uint32_t              xs_try_logspace;
        __uint32_t              xs_sleep_logspace;
        __uint32_t              xs_push_ail;
        __uint32_t              xs_push_ail_success;
        __uint32_t              xs_push_ail_pushbuf;
        __uint32_t              xs_push_ail_pinned;
        __uint32_t              xs_push_ail_locked;
        __uint32_t              xs_push_ail_flushing;
        __uint32_t              xs_push_ail_restarts;
        __uint32_t              xs_push_ail_flush;
# define XFSSTAT_END_WRITE_CONVERT      (XFSSTAT_END_TAIL_PUSHING+2)
        __uint32_t              xs_xstrat_quick;
        __uint32_t              xs_xstrat_split;
# define XFSSTAT_END_READ_WRITE_OPS     (XFSSTAT_END_WRITE_CONVERT+2)
        __uint32_t              xs_write_calls;
        __uint32_t              xs_read_calls;
# define XFSSTAT_END_ATTRIBUTE_OPS      (XFSSTAT_END_READ_WRITE_OPS+4)
        __uint32_t              xs_attr_get;
        __uint32_t              xs_attr_set;
        __uint32_t              xs_attr_remove;
        __uint32_t              xs_attr_list;
# define XFSSTAT_END_INODE_CLUSTER      (XFSSTAT_END_ATTRIBUTE_OPS+3)
        __uint32_t              xs_iflush_count;
        __uint32_t              xs_icluster_flushcnt;
        __uint32_t              xs_icluster_flushinode;
# define XFSSTAT_END_VNODE_OPS          (XFSSTAT_END_INODE_CLUSTER+8)
        __uint32_t              vn_active;      /* # vnodes not on free lists */
        __uint32_t              vn_alloc;       /* # times vn_alloc called */
        __uint32_t              vn_get;         /* # times vn_get called */
        __uint32_t              vn_hold;        /* # times vn_hold called */
        __uint32_t              vn_rele;        /* # times vn_rele called */
        __uint32_t              vn_reclaim;     /* # times vn_reclaim called */
        __uint32_t              vn_remove;      /* # times vn_remove called */
        __uint32_t              vn_free;        /* # times vn_free called */
#define XFSSTAT_END_BUF                 (XFSSTAT_END_VNODE_OPS+9)
        __uint32_t              xb_get;
        __uint32_t              xb_create;
        __uint32_t              xb_get_locked;
        __uint32_t              xb_get_locked_waited;
        __uint32_t              xb_busy_locked;
        __uint32_t              xb_miss_locked;
        __uint32_t              xb_page_retries;
        __uint32_t              xb_page_found;
        __uint32_t              xb_get_read;
/* Extra precision counters */
        __uint64_t              xs_xstrat_bytes;
        __uint64_t              xs_write_bytes;
        __uint64_t              xs_read_bytes;
};

DECLARE_PER_CPU(struct xfsstats, xfsstats);

/*
 * We don't disable preempt, not too worried about poking the
 * wrong CPU's stat for now (also aggregated before reporting).
 */
#define XFS_STATS_INC(v)        (per_cpu(xfsstats, current_cpu()).v++)
#define XFS_STATS_DEC(v)        (per_cpu(xfsstats, current_cpu()).v--)
#define XFS_STATS_ADD(v, inc)   (per_cpu(xfsstats, current_cpu()).v += (inc))

extern int xfs_init_procfs(void);
extern void xfs_cleanup_procfs(void);


#else   /* !CONFIG_PROC_FS */

# define XFS_STATS_INC(count)
# define XFS_STATS_DEC(count)
# define XFS_STATS_ADD(count, inc)

static inline int xfs_init_procfs(void)
{
        return 0;
}

static inline void xfs_cleanup_procfs(void)
{
}

#endif  /* !CONFIG_PROC_FS */

#endif /* __XFS_STATS_H__ */

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