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Commit c75c752d authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: define tracepoints for refcount btree activities 



Define all the tracepoints we need to inspect the refcount btree
runtime operation.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
parent 9cdafd8a

fs/xfs/xfs_trace.h

+301 −0
Original line number Diff line number Diff line
@@ -40,6 +40,16 @@ struct xfs_inode_log_format; 
struct xfs_bmbt_irec;

struct xfs_btree_cur;



#ifndef XFS_REFCOUNT_IREC_PLACEHOLDER

#define XFS_REFCOUNT_IREC_PLACEHOLDER

/* Placeholder definition to avoid breaking bisectability. */

struct xfs_refcount_irec {

	xfs_agblock_t	rc_startblock;	/* starting block number */

	xfs_extlen_t	rc_blockcount;	/* count of free blocks */

	xfs_nlink_t	rc_refcount;	/* number of inodes linked here */

};

#endif



DECLARE_EVENT_CLASS(xfs_attr_list_class,

	TP_PROTO(struct xfs_attr_list_context *ctx),

	TP_ARGS(ctx),
@@ -2640,6 +2650,297 @@ DEFINE_AG_RESV_EVENT(xfs_ag_resv_needed); 
DEFINE_AG_ERROR_EVENT(xfs_ag_resv_free_error);

DEFINE_AG_ERROR_EVENT(xfs_ag_resv_init_error);



/* refcount tracepoint classes */



/* reuse the discard trace class for agbno/aglen-based traces */

#define DEFINE_AG_EXTENT_EVENT(name) DEFINE_DISCARD_EVENT(name)



/* ag btree lookup tracepoint class */

#define XFS_AG_BTREE_CMP_FORMAT_STR \

	{ XFS_LOOKUP_EQ,	"eq" }, \

	{ XFS_LOOKUP_LE,	"le" }, \

	{ XFS_LOOKUP_GE,	"ge" }

DECLARE_EVENT_CLASS(xfs_ag_btree_lookup_class,

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,

		 xfs_agblock_t agbno, xfs_lookup_t dir),

	TP_ARGS(mp, agno, agbno, dir),

	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(xfs_agnumber_t, agno)

		__field(xfs_agblock_t, agbno)

		__field(xfs_lookup_t, dir)

	),

	TP_fast_assign(

		__entry->dev = mp->m_super->s_dev;

		__entry->agno = agno;

		__entry->agbno = agbno;

		__entry->dir = dir;

	),

	TP_printk("dev %d:%d agno %u agbno %u cmp %s(%d)\n",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->agno,

		  __entry->agbno,

		  __print_symbolic(__entry->dir, XFS_AG_BTREE_CMP_FORMAT_STR),

		  __entry->dir)

)



#define DEFINE_AG_BTREE_LOOKUP_EVENT(name) \

DEFINE_EVENT(xfs_ag_btree_lookup_class, name, \

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \

		 xfs_agblock_t agbno, xfs_lookup_t dir), \

	TP_ARGS(mp, agno, agbno, dir))



/* single-rcext tracepoint class */

DECLARE_EVENT_CLASS(xfs_refcount_extent_class,

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,

		 struct xfs_refcount_irec *irec),

	TP_ARGS(mp, agno, irec),

	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(xfs_agnumber_t, agno)

		__field(xfs_agblock_t, startblock)

		__field(xfs_extlen_t, blockcount)

		__field(xfs_nlink_t, refcount)

	),

	TP_fast_assign(

		__entry->dev = mp->m_super->s_dev;

		__entry->agno = agno;

		__entry->startblock = irec->rc_startblock;

		__entry->blockcount = irec->rc_blockcount;

		__entry->refcount = irec->rc_refcount;

	),

	TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u\n",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->agno,

		  __entry->startblock,

		  __entry->blockcount,

		  __entry->refcount)

)



#define DEFINE_REFCOUNT_EXTENT_EVENT(name) \

DEFINE_EVENT(xfs_refcount_extent_class, name, \

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \

		 struct xfs_refcount_irec *irec), \

	TP_ARGS(mp, agno, irec))



/* single-rcext and an agbno tracepoint class */

DECLARE_EVENT_CLASS(xfs_refcount_extent_at_class,

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,

		 struct xfs_refcount_irec *irec, xfs_agblock_t agbno),

	TP_ARGS(mp, agno, irec, agbno),

	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(xfs_agnumber_t, agno)

		__field(xfs_agblock_t, startblock)

		__field(xfs_extlen_t, blockcount)

		__field(xfs_nlink_t, refcount)

		__field(xfs_agblock_t, agbno)

	),

	TP_fast_assign(

		__entry->dev = mp->m_super->s_dev;

		__entry->agno = agno;

		__entry->startblock = irec->rc_startblock;

		__entry->blockcount = irec->rc_blockcount;

		__entry->refcount = irec->rc_refcount;

		__entry->agbno = agbno;

	),

	TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u @ agbno %u\n",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->agno,

		  __entry->startblock,

		  __entry->blockcount,

		  __entry->refcount,

		  __entry->agbno)

)



#define DEFINE_REFCOUNT_EXTENT_AT_EVENT(name) \

DEFINE_EVENT(xfs_refcount_extent_at_class, name, \

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \

		 struct xfs_refcount_irec *irec, xfs_agblock_t agbno), \

	TP_ARGS(mp, agno, irec, agbno))



/* double-rcext tracepoint class */

DECLARE_EVENT_CLASS(xfs_refcount_double_extent_class,

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,

		 struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2),

	TP_ARGS(mp, agno, i1, i2),

	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(xfs_agnumber_t, agno)

		__field(xfs_agblock_t, i1_startblock)

		__field(xfs_extlen_t, i1_blockcount)

		__field(xfs_nlink_t, i1_refcount)

		__field(xfs_agblock_t, i2_startblock)

		__field(xfs_extlen_t, i2_blockcount)

		__field(xfs_nlink_t, i2_refcount)

	),

	TP_fast_assign(

		__entry->dev = mp->m_super->s_dev;

		__entry->agno = agno;

		__entry->i1_startblock = i1->rc_startblock;

		__entry->i1_blockcount = i1->rc_blockcount;

		__entry->i1_refcount = i1->rc_refcount;

		__entry->i2_startblock = i2->rc_startblock;

		__entry->i2_blockcount = i2->rc_blockcount;

		__entry->i2_refcount = i2->rc_refcount;

	),

	TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u -- "

		  "agbno %u len %u refcount %u\n",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->agno,

		  __entry->i1_startblock,

		  __entry->i1_blockcount,

		  __entry->i1_refcount,

		  __entry->i2_startblock,

		  __entry->i2_blockcount,

		  __entry->i2_refcount)

)



#define DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(name) \

DEFINE_EVENT(xfs_refcount_double_extent_class, name, \

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \

		 struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2), \

	TP_ARGS(mp, agno, i1, i2))



/* double-rcext and an agbno tracepoint class */

DECLARE_EVENT_CLASS(xfs_refcount_double_extent_at_class,

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,

		 struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2,

		 xfs_agblock_t agbno),

	TP_ARGS(mp, agno, i1, i2, agbno),

	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(xfs_agnumber_t, agno)

		__field(xfs_agblock_t, i1_startblock)

		__field(xfs_extlen_t, i1_blockcount)

		__field(xfs_nlink_t, i1_refcount)

		__field(xfs_agblock_t, i2_startblock)

		__field(xfs_extlen_t, i2_blockcount)

		__field(xfs_nlink_t, i2_refcount)

		__field(xfs_agblock_t, agbno)

	),

	TP_fast_assign(

		__entry->dev = mp->m_super->s_dev;

		__entry->agno = agno;

		__entry->i1_startblock = i1->rc_startblock;

		__entry->i1_blockcount = i1->rc_blockcount;

		__entry->i1_refcount = i1->rc_refcount;

		__entry->i2_startblock = i2->rc_startblock;

		__entry->i2_blockcount = i2->rc_blockcount;

		__entry->i2_refcount = i2->rc_refcount;

		__entry->agbno = agbno;

	),

	TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u -- "

		  "agbno %u len %u refcount %u @ agbno %u\n",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->agno,

		  __entry->i1_startblock,

		  __entry->i1_blockcount,

		  __entry->i1_refcount,

		  __entry->i2_startblock,

		  __entry->i2_blockcount,

		  __entry->i2_refcount,

		  __entry->agbno)

)



#define DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(name) \

DEFINE_EVENT(xfs_refcount_double_extent_at_class, name, \

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \

		 struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2, \

		 xfs_agblock_t agbno), \

	TP_ARGS(mp, agno, i1, i2, agbno))



/* triple-rcext tracepoint class */

DECLARE_EVENT_CLASS(xfs_refcount_triple_extent_class,

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,

		 struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2,

		 struct xfs_refcount_irec *i3),

	TP_ARGS(mp, agno, i1, i2, i3),

	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(xfs_agnumber_t, agno)

		__field(xfs_agblock_t, i1_startblock)

		__field(xfs_extlen_t, i1_blockcount)

		__field(xfs_nlink_t, i1_refcount)

		__field(xfs_agblock_t, i2_startblock)

		__field(xfs_extlen_t, i2_blockcount)

		__field(xfs_nlink_t, i2_refcount)

		__field(xfs_agblock_t, i3_startblock)

		__field(xfs_extlen_t, i3_blockcount)

		__field(xfs_nlink_t, i3_refcount)

	),

	TP_fast_assign(

		__entry->dev = mp->m_super->s_dev;

		__entry->agno = agno;

		__entry->i1_startblock = i1->rc_startblock;

		__entry->i1_blockcount = i1->rc_blockcount;

		__entry->i1_refcount = i1->rc_refcount;

		__entry->i2_startblock = i2->rc_startblock;

		__entry->i2_blockcount = i2->rc_blockcount;

		__entry->i2_refcount = i2->rc_refcount;

		__entry->i3_startblock = i3->rc_startblock;

		__entry->i3_blockcount = i3->rc_blockcount;

		__entry->i3_refcount = i3->rc_refcount;

	),

	TP_printk("dev %d:%d agno %u agbno %u len %u refcount %u -- "

		  "agbno %u len %u refcount %u -- "

		  "agbno %u len %u refcount %u\n",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->agno,

		  __entry->i1_startblock,

		  __entry->i1_blockcount,

		  __entry->i1_refcount,

		  __entry->i2_startblock,

		  __entry->i2_blockcount,

		  __entry->i2_refcount,

		  __entry->i3_startblock,

		  __entry->i3_blockcount,

		  __entry->i3_refcount)

);



#define DEFINE_REFCOUNT_TRIPLE_EXTENT_EVENT(name) \

DEFINE_EVENT(xfs_refcount_triple_extent_class, name, \

	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \

		 struct xfs_refcount_irec *i1, struct xfs_refcount_irec *i2, \

		 struct xfs_refcount_irec *i3), \

	TP_ARGS(mp, agno, i1, i2, i3))



/* refcount btree tracepoints */

DEFINE_BUSY_EVENT(xfs_refcountbt_alloc_block);

DEFINE_BUSY_EVENT(xfs_refcountbt_free_block);

DEFINE_AG_BTREE_LOOKUP_EVENT(xfs_refcount_lookup);

DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcount_get);

DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcount_update);

DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcount_insert);

DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcount_delete);

DEFINE_AG_ERROR_EVENT(xfs_refcount_insert_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_delete_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_update_error);



/* refcount adjustment tracepoints */

DEFINE_AG_EXTENT_EVENT(xfs_refcount_increase);

DEFINE_AG_EXTENT_EVENT(xfs_refcount_decrease);

DEFINE_REFCOUNT_TRIPLE_EXTENT_EVENT(xfs_refcount_merge_center_extents);

DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcount_modify_extent);

DEFINE_REFCOUNT_EXTENT_AT_EVENT(xfs_refcount_split_extent);

DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_merge_left_extent);

DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_merge_right_extent);

DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(xfs_refcount_find_left_extent);

DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(xfs_refcount_find_right_extent);

DEFINE_AG_ERROR_EVENT(xfs_refcount_adjust_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_merge_center_extents_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_modify_extent_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_split_extent_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_merge_left_extent_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_merge_right_extent_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_find_left_extent_error);

DEFINE_AG_ERROR_EVENT(xfs_refcount_find_right_extent_error);



/* reflink helpers */

DEFINE_AG_EXTENT_EVENT(xfs_refcount_find_shared);

DEFINE_AG_EXTENT_EVENT(xfs_refcount_find_shared_result);

DEFINE_AG_ERROR_EVENT(xfs_refcount_find_shared_error);



#endif /* _TRACE_XFS_H */



#undef TRACE_INCLUDE_PATH