fs/xfs/xfs_stats.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2000,2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6 #ifndef __XFS_STATS_H__
   7 #define __XFS_STATS_H__
   8
   9
  10 #include <linux/percpu.h>
  11
  12 /*
  13  * The btree stats arrays have fixed offsets for the different stats. We
  14  * store the base index in the btree cursor via XFS_STATS_CALC_INDEX() and
  15  * that allows us to use fixed offsets into the stats array for each btree
  16  * stat. These index offsets are defined in the order they will be emitted
  17  * in the stats files, so it is possible to add new btree stat types by
  18  * appending to the enum list below.
  19  */
  20 enum {
  21         __XBTS_lookup = 0,
  22         __XBTS_compare = 1,
  23         __XBTS_insrec = 2,
  24         __XBTS_delrec = 3,
  25         __XBTS_newroot = 4,
  26         __XBTS_killroot = 5,
  27         __XBTS_increment = 6,
  28         __XBTS_decrement = 7,
  29         __XBTS_lshift = 8,
  30         __XBTS_rshift = 9,
  31         __XBTS_split = 10,
  32         __XBTS_join = 11,
  33         __XBTS_alloc = 12,
  34         __XBTS_free = 13,
  35         __XBTS_moves = 14,
  36
  37         __XBTS_MAX = 15,
  38 };
  39
  40 /*
  41  * XFS global statistics
  42  */
  43 struct __xfsstats {
  44         uint32_t                xs_allocx;
  45         uint32_t                xs_allocb;
  46         uint32_t                xs_freex;
  47         uint32_t                xs_freeb;
  48         uint32_t                xs_abt_lookup;
  49         uint32_t                xs_abt_compare;
  50         uint32_t                xs_abt_insrec;
  51         uint32_t                xs_abt_delrec;
  52         uint32_t                xs_blk_mapr;
  53         uint32_t                xs_blk_mapw;
  54         uint32_t                xs_blk_unmap;
  55         uint32_t                xs_add_exlist;
  56         uint32_t                xs_del_exlist;
  57         uint32_t                xs_look_exlist;
  58         uint32_t                xs_cmp_exlist;
  59         uint32_t                xs_bmbt_lookup;
  60         uint32_t                xs_bmbt_compare;
  61         uint32_t                xs_bmbt_insrec;
  62         uint32_t                xs_bmbt_delrec;
  63         uint32_t                xs_dir_lookup;
  64         uint32_t                xs_dir_create;
  65         uint32_t                xs_dir_remove;
  66         uint32_t                xs_dir_getdents;
  67         uint32_t                xs_trans_sync;
  68         uint32_t                xs_trans_async;
  69         uint32_t                xs_trans_empty;
  70         uint32_t                xs_ig_attempts;
  71         uint32_t                xs_ig_found;
  72         uint32_t                xs_ig_frecycle;
  73         uint32_t                xs_ig_missed;
  74         uint32_t                xs_ig_dup;
  75         uint32_t                xs_ig_reclaims;
  76         uint32_t                xs_ig_attrchg;
  77         uint32_t                xs_log_writes;
  78         uint32_t                xs_log_blocks;
  79         uint32_t                xs_log_noiclogs;
  80         uint32_t                xs_log_force;
  81         uint32_t                xs_log_force_sleep;
  82         uint32_t                xs_try_logspace;
  83         uint32_t                xs_sleep_logspace;
  84         uint32_t                xs_push_ail;
  85         uint32_t                xs_push_ail_success;
  86         uint32_t                xs_push_ail_pushbuf;
  87         uint32_t                xs_push_ail_pinned;
  88         uint32_t                xs_push_ail_locked;
  89         uint32_t                xs_push_ail_flushing;
  90         uint32_t                xs_push_ail_restarts;
  91         uint32_t                xs_push_ail_flush;
  92         uint32_t                xs_xstrat_quick;
  93         uint32_t                xs_xstrat_split;
  94         uint32_t                xs_write_calls;
  95         uint32_t                xs_read_calls;
  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         uint32_t                xs_iflush_count;
 101         uint32_t                xs_icluster_flushcnt;
 102         uint32_t                xs_icluster_flushinode;
 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         uint32_t                xb_get;
 112         uint32_t                xb_create;
 113         uint32_t                xb_get_locked;
 114         uint32_t                xb_get_locked_waited;
 115         uint32_t                xb_busy_locked;
 116         uint32_t                xb_miss_locked;
 117         uint32_t                xb_page_retries;
 118         uint32_t                xb_page_found;
 119         uint32_t                xb_get_read;
 120 /* Version 2 btree counters */
 121         uint32_t                xs_abtb_2[__XBTS_MAX];
 122         uint32_t                xs_abtc_2[__XBTS_MAX];
 123         uint32_t                xs_bmbt_2[__XBTS_MAX];
 124         uint32_t                xs_ibt_2[__XBTS_MAX];
 125         uint32_t                xs_fibt_2[__XBTS_MAX];
 126         uint32_t                xs_rmap_2[__XBTS_MAX];
 127         uint32_t                xs_refcbt_2[__XBTS_MAX];
 128         uint32_t                xs_qm_dqreclaims;
 129         uint32_t                xs_qm_dqreclaim_misses;
 130         uint32_t                xs_qm_dquot_dups;
 131         uint32_t                xs_qm_dqcachemisses;
 132         uint32_t                xs_qm_dqcachehits;
 133         uint32_t                xs_qm_dqwants;
 134         uint32_t                xs_qm_dquot;
 135         uint32_t                xs_qm_dquot_unused;
 136 /* Extra precision counters */
 137         uint64_t                xs_xstrat_bytes;
 138         uint64_t                xs_write_bytes;
 139         uint64_t                xs_read_bytes;
 140         uint64_t                defer_relog;
 141 };
 142
 143 #define xfsstats_offset(f)      (offsetof(struct __xfsstats, f)/sizeof(uint32_t))
 144
 145 struct xfsstats {
 146         union {
 147                 struct __xfsstats       s;
 148                 uint32_t                a[xfsstats_offset(xs_qm_dquot)];
 149         };
 150 };
 151
 152 /*
 153  * simple wrapper for getting the array index of s struct member offset
 154  */
 155 #define XFS_STATS_CALC_INDEX(member)    \
 156         (offsetof(struct __xfsstats, member) / (int)sizeof(uint32_t))
 157
 158
 159 int xfs_stats_format(struct xfsstats __percpu *stats, char *buf);
 160 void xfs_stats_clearall(struct xfsstats __percpu *stats);
 161 extern struct xstats xfsstats;
 162
 163 #define XFS_STATS_INC(mp, v)                                    \
 164 do {                                                            \
 165         per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++;   \
 166         per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++;        \
 167 } while (0)
 168
 169 #define XFS_STATS_DEC(mp, v)                                    \
 170 do {                                                            \
 171         per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--;   \
 172         per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--;        \
 173 } while (0)
 174
 175 #define XFS_STATS_ADD(mp, v, inc)                                       \
 176 do {                                                                    \
 177         per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc);    \
 178         per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc); \
 179 } while (0)
 180
 181 #define XFS_STATS_INC_OFF(mp, off)                              \
 182 do {                                                            \
 183         per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++;        \
 184         per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++;     \
 185 } while (0)
 186
 187 #define XFS_STATS_DEC_OFF(mp, off)                                      \
 188 do {                                                            \
 189         per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off];  \
 190         per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off];       \
 191 } while (0)
 192
 193 #define XFS_STATS_ADD_OFF(mp, off, inc)                                 \
 194 do {                                                                    \
 195         per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc); \
 196         per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc);      \
 197 } while (0)
 198
 199 #if defined(CONFIG_PROC_FS)
 200
 201 extern int xfs_init_procfs(void);
 202 extern void xfs_cleanup_procfs(void);
 203
 204
 205 #else   /* !CONFIG_PROC_FS */
 206
 207 static inline int xfs_init_procfs(void)
 208 {
 209         return 0;
 210 }
 211
 212 static inline void xfs_cleanup_procfs(void)
 213 {
 214 }
 215
 216 #endif  /* !CONFIG_PROC_FS */
 217
 218 #endif /* __XFS_STATS_H__ */