// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000,2005 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#ifndef __XFS_STATS_H__
#define __XFS_STATS_H__
#include <linux/percpu.h>
/*
* The btree stats arrays have fixed offsets for the different stats. We
* store the base index in the btree cursor via XFS_STATS_CALC_INDEX() and
* that allows us to use fixed offsets into the stats array for each btree
* stat. These index offsets are defined in the order they will be emitted
* in the stats files, so it is possible to add new btree stat types by
* appending to the enum list below.
*/
enum {
__XBTS_lookup = 0,
__XBTS_compare = 1,
__XBTS_insrec = 2,
__XBTS_delrec = 3,
__XBTS_newroot = 4,
__XBTS_killroot = 5,
__XBTS_increment = 6,
__XBTS_decrement = 7,
__XBTS_lshift = 8,
__XBTS_rshift = 9,
__XBTS_split = 10,
__XBTS_join = 11,
__XBTS_alloc = 12,
__XBTS_free = 13,
__XBTS_moves = 14,
__XBTS_MAX = 15,
};
/*
* XFS global statistics
*/
struct __xfsstats {
uint32_t xs_allocx;
uint32_t xs_allocb;
uint32_t xs_freex;
uint32_t xs_freeb;
uint32_t xs_abt_lookup;
uint32_t xs_abt_compare;
uint32_t xs_abt_insrec;
uint32_t xs_abt_delrec;
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;
uint32_t xs_bmbt_lookup;
uint32_t xs_bmbt_compare;
uint32_t xs_bmbt_insrec;
uint32_t xs_bmbt_delrec;
uint32_t xs_dir_lookup;
uint32_t xs_dir_create;
uint32_t xs_dir_remove;
uint32_t xs_dir_getdents;
uint32_t xs_trans_sync;
uint32_t xs_trans_async;
uint32_t xs_trans_empty;
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;
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;
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;
uint32_t xs_xstrat_quick;
uint32_t xs_xstrat_split;
uint32_t xs_write_calls;
uint32_t xs_read_calls;
uint32_t xs_attr_get;
uint32_t xs_attr_set;
uint32_t xs_attr_remove;
uint32_t xs_attr_list;
uint32_t xs_iflush_count;
uint32_t xs_icluster_flushcnt;
uint32_t xs_icluster_flushinode;
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 */
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;
/* Version 2 btree counters */
uint32_t xs_abtb_2[__XBTS_MAX];
uint32_t xs_abtc_2[__XBTS_MAX];
uint32_t xs_bmbt_2[__XBTS_MAX];
uint32_t xs_ibt_2[__XBTS_MAX];
uint32_t xs_fibt_2[__XBTS_MAX];
uint32_t xs_rmap_2[__XBTS_MAX];
uint32_t xs_refcbt_2[__XBTS_MAX];
uint32_t xs_qm_dqreclaims;
uint32_t xs_qm_dqreclaim_misses;
uint32_t xs_qm_dquot_dups;
uint32_t xs_qm_dqcachemisses;
uint32_t xs_qm_dqcachehits;
uint32_t xs_qm_dqwants;
uint32_t xs_qm_dquot;
uint32_t xs_qm_dquot_unused;
/* Extra precision counters */
uint64_t xs_xstrat_bytes;
uint64_t xs_write_bytes;
uint64_t xs_read_bytes;
uint64_t defer_relog;
};
#define xfsstats_offset(f) (offsetof(struct __xfsstats, f)/sizeof(uint32_t))
struct xfsstats {
union {
struct __xfsstats s;
uint32_t a[xfsstats_offset(xs_qm_dquot)];
};
};
/*
* simple wrapper for getting the array index of s struct member offset
*/
#define XFS_STATS_CALC_INDEX(member) \
(offsetof(struct __xfsstats, member) / (int)sizeof(uint32_t))
int xfs_stats_format(struct xfsstats __percpu *stats, char *buf);
void xfs_stats_clearall(struct xfsstats __percpu *stats);
extern struct xstats xfsstats;
#define XFS_STATS_INC(mp, v) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++; \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++; \
} while (0)
#define XFS_STATS_DEC(mp, v) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--; \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--; \
} while (0)
#define XFS_STATS_ADD(mp, v, inc) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc); \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc); \
} while (0)
#define XFS_STATS_INC_OFF(mp, off) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++; \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++; \
} while (0)
#define XFS_STATS_DEC_OFF(mp, off) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]; \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]; \
} while (0)
#define XFS_STATS_ADD_OFF(mp, off, inc) \
do { \
per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc); \
per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc); \
} while (0)
#if defined(CONFIG_PROC_FS)
extern int xfs_init_procfs(void);
extern void xfs_cleanup_procfs(void);
#else /* !CONFIG_PROC_FS */
static inline int xfs_init_procfs(void)
{
return 0;
}
static inline void xfs_cleanup_procfs(void)
{
}
#endif /* !CONFIG_PROC_FS */
#endif /* __XFS_STATS_H__ */
