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Diffstat (limited to 'fs/xfs/xfs_stats.h')
-rw-r--r--fs/xfs/xfs_stats.h200
1 files changed, 81 insertions, 119 deletions
diff --git a/fs/xfs/xfs_stats.h b/fs/xfs/xfs_stats.h
index 79ad2e69fc33..375840f5a99a 100644
--- a/fs/xfs/xfs_stats.h
+++ b/fs/xfs/xfs_stats.h
@@ -22,9 +22,37 @@
#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 {
+struct __xfsstats {
# define XFSSTAT_END_EXTENT_ALLOC 4
__uint32_t xs_allocx;
__uint32_t xs_allocb;
@@ -117,118 +145,20 @@ struct xfsstats {
__uint32_t xb_page_found;
__uint32_t xb_get_read;
/* Version 2 btree counters */
-#define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF+15)
- __uint32_t xs_abtb_2_lookup;
- __uint32_t xs_abtb_2_compare;
- __uint32_t xs_abtb_2_insrec;
- __uint32_t xs_abtb_2_delrec;
- __uint32_t xs_abtb_2_newroot;
- __uint32_t xs_abtb_2_killroot;
- __uint32_t xs_abtb_2_increment;
- __uint32_t xs_abtb_2_decrement;
- __uint32_t xs_abtb_2_lshift;
- __uint32_t xs_abtb_2_rshift;
- __uint32_t xs_abtb_2_split;
- __uint32_t xs_abtb_2_join;
- __uint32_t xs_abtb_2_alloc;
- __uint32_t xs_abtb_2_free;
- __uint32_t xs_abtb_2_moves;
-#define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2+15)
- __uint32_t xs_abtc_2_lookup;
- __uint32_t xs_abtc_2_compare;
- __uint32_t xs_abtc_2_insrec;
- __uint32_t xs_abtc_2_delrec;
- __uint32_t xs_abtc_2_newroot;
- __uint32_t xs_abtc_2_killroot;
- __uint32_t xs_abtc_2_increment;
- __uint32_t xs_abtc_2_decrement;
- __uint32_t xs_abtc_2_lshift;
- __uint32_t xs_abtc_2_rshift;
- __uint32_t xs_abtc_2_split;
- __uint32_t xs_abtc_2_join;
- __uint32_t xs_abtc_2_alloc;
- __uint32_t xs_abtc_2_free;
- __uint32_t xs_abtc_2_moves;
-#define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2+15)
- __uint32_t xs_bmbt_2_lookup;
- __uint32_t xs_bmbt_2_compare;
- __uint32_t xs_bmbt_2_insrec;
- __uint32_t xs_bmbt_2_delrec;
- __uint32_t xs_bmbt_2_newroot;
- __uint32_t xs_bmbt_2_killroot;
- __uint32_t xs_bmbt_2_increment;
- __uint32_t xs_bmbt_2_decrement;
- __uint32_t xs_bmbt_2_lshift;
- __uint32_t xs_bmbt_2_rshift;
- __uint32_t xs_bmbt_2_split;
- __uint32_t xs_bmbt_2_join;
- __uint32_t xs_bmbt_2_alloc;
- __uint32_t xs_bmbt_2_free;
- __uint32_t xs_bmbt_2_moves;
-#define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2+15)
- __uint32_t xs_ibt_2_lookup;
- __uint32_t xs_ibt_2_compare;
- __uint32_t xs_ibt_2_insrec;
- __uint32_t xs_ibt_2_delrec;
- __uint32_t xs_ibt_2_newroot;
- __uint32_t xs_ibt_2_killroot;
- __uint32_t xs_ibt_2_increment;
- __uint32_t xs_ibt_2_decrement;
- __uint32_t xs_ibt_2_lshift;
- __uint32_t xs_ibt_2_rshift;
- __uint32_t xs_ibt_2_split;
- __uint32_t xs_ibt_2_join;
- __uint32_t xs_ibt_2_alloc;
- __uint32_t xs_ibt_2_free;
- __uint32_t xs_ibt_2_moves;
-#define XFSSTAT_END_FIBT_V2 (XFSSTAT_END_IBT_V2+15)
- __uint32_t xs_fibt_2_lookup;
- __uint32_t xs_fibt_2_compare;
- __uint32_t xs_fibt_2_insrec;
- __uint32_t xs_fibt_2_delrec;
- __uint32_t xs_fibt_2_newroot;
- __uint32_t xs_fibt_2_killroot;
- __uint32_t xs_fibt_2_increment;
- __uint32_t xs_fibt_2_decrement;
- __uint32_t xs_fibt_2_lshift;
- __uint32_t xs_fibt_2_rshift;
- __uint32_t xs_fibt_2_split;
- __uint32_t xs_fibt_2_join;
- __uint32_t xs_fibt_2_alloc;
- __uint32_t xs_fibt_2_free;
- __uint32_t xs_fibt_2_moves;
-#define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2+15)
- __uint32_t xs_rmap_2_lookup;
- __uint32_t xs_rmap_2_compare;
- __uint32_t xs_rmap_2_insrec;
- __uint32_t xs_rmap_2_delrec;
- __uint32_t xs_rmap_2_newroot;
- __uint32_t xs_rmap_2_killroot;
- __uint32_t xs_rmap_2_increment;
- __uint32_t xs_rmap_2_decrement;
- __uint32_t xs_rmap_2_lshift;
- __uint32_t xs_rmap_2_rshift;
- __uint32_t xs_rmap_2_split;
- __uint32_t xs_rmap_2_join;
- __uint32_t xs_rmap_2_alloc;
- __uint32_t xs_rmap_2_free;
- __uint32_t xs_rmap_2_moves;
-#define XFSSTAT_END_REFCOUNT (XFSSTAT_END_RMAP_V2 + 15)
- __uint32_t xs_refcbt_2_lookup;
- __uint32_t xs_refcbt_2_compare;
- __uint32_t xs_refcbt_2_insrec;
- __uint32_t xs_refcbt_2_delrec;
- __uint32_t xs_refcbt_2_newroot;
- __uint32_t xs_refcbt_2_killroot;
- __uint32_t xs_refcbt_2_increment;
- __uint32_t xs_refcbt_2_decrement;
- __uint32_t xs_refcbt_2_lshift;
- __uint32_t xs_refcbt_2_rshift;
- __uint32_t xs_refcbt_2_split;
- __uint32_t xs_refcbt_2_join;
- __uint32_t xs_refcbt_2_alloc;
- __uint32_t xs_refcbt_2_free;
- __uint32_t xs_refcbt_2_moves;
+#define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF + __XBTS_MAX)
+ __uint32_t xs_abtb_2[__XBTS_MAX];
+#define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2 + __XBTS_MAX)
+ __uint32_t xs_abtc_2[__XBTS_MAX];
+#define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2 + __XBTS_MAX)
+ __uint32_t xs_bmbt_2[__XBTS_MAX];
+#define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2 + __XBTS_MAX)
+ __uint32_t xs_ibt_2[__XBTS_MAX];
+#define XFSSTAT_END_FIBT_V2 (XFSSTAT_END_IBT_V2 + __XBTS_MAX)
+ __uint32_t xs_fibt_2[__XBTS_MAX];
+#define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2 + __XBTS_MAX)
+ __uint32_t xs_rmap_2[__XBTS_MAX];
+#define XFSSTAT_END_REFCOUNT (XFSSTAT_END_RMAP_V2 + __XBTS_MAX)
+ __uint32_t xs_refcbt_2[__XBTS_MAX];
#define XFSSTAT_END_XQMSTAT (XFSSTAT_END_REFCOUNT + 6)
__uint32_t xs_qm_dqreclaims;
__uint32_t xs_qm_dqreclaim_misses;
@@ -245,26 +175,58 @@ struct xfsstats {
__uint64_t xs_read_bytes;
};
+struct xfsstats {
+ union {
+ struct __xfsstats s;
+ uint32_t a[XFSSTAT_END_XQMSTAT];
+ };
+};
+
+/*
+ * 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())->v++; \
- per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->v++; \
+ 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())->v--; \
- per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->v--; \
+ 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())->v += (inc); \
- per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->v += (inc); \
+ 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)