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xfs: give rmap btree cursor error tracepoints their own class

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Create a new tracepoint class for btree-related errors, then convert all
the rmap tracepoints to use it.  Also fix the one tracepoint that was
abusing the old class by making it a separate tracepoint.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2024-07-02 11:22:57 -07:00
parent 84a3c1576c
commit 71f5a17e52
2 changed files with 110 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
fs/xfs/libxfs/xfs_rmap.c
View File

@ -111,8 +111,7 @@ xfs_rmap_update(
xfs_rmap_irec_offset_pack(irec));
error = xfs_btree_update(cur, &rec);
if (error)
trace_xfs_rmap_update_error(cur->bc_mp,
cur->bc_ag.pag->pag_agno, error, _RET_IP_);
trace_xfs_rmap_update_error(cur, error, _RET_IP_);
return error;
}
@ -155,8 +154,7 @@ xfs_rmap_insert(
}
done:
if (error)
trace_xfs_rmap_insert_error(rcur->bc_mp,
rcur->bc_ag.pag->pag_agno, error, _RET_IP_);
trace_xfs_rmap_insert_error(rcur, error, _RET_IP_);
return error;
}
@ -194,8 +192,7 @@ xfs_rmap_delete(
}
done:
if (error)
trace_xfs_rmap_delete_error(rcur->bc_mp,
rcur->bc_ag.pag->pag_agno, error, _RET_IP_);
trace_xfs_rmap_delete_error(rcur, error, _RET_IP_);
return error;
}
@ -816,8 +813,7 @@ out_done:
unwritten, oinfo);
out_error:
if (error)
trace_xfs_rmap_unmap_error(mp, cur->bc_ag.pag->pag_agno,
error, _RET_IP_);
trace_xfs_rmap_unmap_error(cur, error, _RET_IP_);
return error;
}
@ -1148,8 +1144,7 @@ xfs_rmap_map(
unwritten, oinfo);
out_error:
if (error)
trace_xfs_rmap_map_error(mp, cur->bc_ag.pag->pag_agno,
error, _RET_IP_);
trace_xfs_rmap_map_error(cur, error, _RET_IP_);
return error;
}
@ -1344,8 +1339,7 @@ xfs_rmap_convert(
RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX)
state &= ~RMAP_RIGHT_CONTIG;
trace_xfs_rmap_convert_state(mp, cur->bc_ag.pag->pag_agno, state,
_RET_IP_);
trace_xfs_rmap_convert_state(cur, state, _RET_IP_);
/* reset the cursor back to PREV */
error = xfs_rmap_lookup_le(cur, bno, owner, offset, oldext, NULL, &i);
@ -1698,8 +1692,7 @@ xfs_rmap_convert(
unwritten, oinfo);
done:
if (error)
trace_xfs_rmap_convert_error(cur->bc_mp,
cur->bc_ag.pag->pag_agno, error, _RET_IP_);
trace_xfs_rmap_convert_error(cur, error, _RET_IP_);
return error;
}
@ -1822,8 +1815,7 @@ xfs_rmap_convert_shared(
RIGHT.rm_blockcount > XFS_RMAP_LEN_MAX)
state &= ~RMAP_RIGHT_CONTIG;
trace_xfs_rmap_convert_state(mp, cur->bc_ag.pag->pag_agno, state,
_RET_IP_);
trace_xfs_rmap_convert_state(cur, state, _RET_IP_);
/*
* Switch out based on the FILLING and CONTIG state bits.
*/
@ -2125,8 +2117,7 @@ xfs_rmap_convert_shared(
unwritten, oinfo);
done:
if (error)
trace_xfs_rmap_convert_error(cur->bc_mp,
cur->bc_ag.pag->pag_agno, error, _RET_IP_);
trace_xfs_rmap_convert_error(cur, error, _RET_IP_);
return error;
}
@ -2325,8 +2316,7 @@ xfs_rmap_unmap_shared(
unwritten, oinfo);
out_error:
if (error)
trace_xfs_rmap_unmap_error(cur->bc_mp,
cur->bc_ag.pag->pag_agno, error, _RET_IP_);
trace_xfs_rmap_unmap_error(cur, error, _RET_IP_);
return error;
}
@ -2486,8 +2476,7 @@ xfs_rmap_map_shared(
unwritten, oinfo);
out_error:
if (error)
trace_xfs_rmap_map_error(cur->bc_mp,
cur->bc_ag.pag->pag_agno, error, _RET_IP_);
trace_xfs_rmap_map_error(cur, error, _RET_IP_);
return error;
}

117
fs/xfs/xfs_trace.h
View File

@ -2826,46 +2826,98 @@ DEFINE_EVENT(xfs_rmap_class, name, \
const struct xfs_owner_info *oinfo), \
TP_ARGS(mp, agno, agbno, len, unwritten, oinfo))
/* simple AG-based error/%ip tracepoint class */
DECLARE_EVENT_CLASS(xfs_ag_error_class,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int error,
/* btree cursor error/%ip tracepoint class */
DECLARE_EVENT_CLASS(xfs_btree_error_class,
TP_PROTO(struct xfs_btree_cur *cur, int error,
unsigned long caller_ip),
TP_ARGS(mp, agno, error, caller_ip),
TP_ARGS(cur, error, caller_ip),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(xfs_agnumber_t, agno)
__field(xfs_ino_t, ino)
__field(int, error)
__field(unsigned long, caller_ip)
),
TP_fast_assign(
__entry->dev = mp->m_super->s_dev;
__entry->agno = agno;
__entry->dev = cur->bc_mp->m_super->s_dev;
switch (cur->bc_ops->type) {
case XFS_BTREE_TYPE_INODE:
__entry->agno = 0;
__entry->ino = cur->bc_ino.ip->i_ino;
break;
case XFS_BTREE_TYPE_AG:
__entry->agno = cur->bc_ag.pag->pag_agno;
__entry->ino = 0;
break;
case XFS_BTREE_TYPE_MEM:
__entry->agno = 0;
__entry->ino = 0;
break;
}
__entry->error = error;
__entry->caller_ip = caller_ip;
),
TP_printk("dev %d:%d agno 0x%x error %d caller %pS",
TP_printk("dev %d:%d agno 0x%x ino 0x%llx error %d caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->agno,
__entry->ino,
__entry->error,
(char *)__entry->caller_ip)
);
#define DEFINE_AG_ERROR_EVENT(name) \
DEFINE_EVENT(xfs_ag_error_class, name, \
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int error, \
#define DEFINE_BTREE_ERROR_EVENT(name) \
DEFINE_EVENT(xfs_btree_error_class, name, \
TP_PROTO(struct xfs_btree_cur *cur, int error, \
unsigned long caller_ip), \
TP_ARGS(mp, agno, error, caller_ip))
TP_ARGS(cur, error, caller_ip))
DEFINE_RMAP_EVENT(xfs_rmap_unmap);
DEFINE_RMAP_EVENT(xfs_rmap_unmap_done);
DEFINE_AG_ERROR_EVENT(xfs_rmap_unmap_error);
DEFINE_BTREE_ERROR_EVENT(xfs_rmap_unmap_error);
DEFINE_RMAP_EVENT(xfs_rmap_map);
DEFINE_RMAP_EVENT(xfs_rmap_map_done);
DEFINE_AG_ERROR_EVENT(xfs_rmap_map_error);
DEFINE_BTREE_ERROR_EVENT(xfs_rmap_map_error);
DEFINE_RMAP_EVENT(xfs_rmap_convert);
DEFINE_RMAP_EVENT(xfs_rmap_convert_done);
DEFINE_AG_ERROR_EVENT(xfs_rmap_convert_error);
DEFINE_AG_ERROR_EVENT(xfs_rmap_convert_state);
DEFINE_BTREE_ERROR_EVENT(xfs_rmap_convert_error);
TRACE_EVENT(xfs_rmap_convert_state,
TP_PROTO(struct xfs_btree_cur *cur, int state,
unsigned long caller_ip),
TP_ARGS(cur, state, caller_ip),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(xfs_agnumber_t, agno)
__field(xfs_ino_t, ino)
__field(int, state)
__field(unsigned long, caller_ip)
),
TP_fast_assign(
__entry->dev = cur->bc_mp->m_super->s_dev;
switch (cur->bc_ops->type) {
case XFS_BTREE_TYPE_INODE:
__entry->agno = 0;
__entry->ino = cur->bc_ino.ip->i_ino;
break;
case XFS_BTREE_TYPE_AG:
__entry->agno = cur->bc_ag.pag->pag_agno;
__entry->ino = 0;
break;
case XFS_BTREE_TYPE_MEM:
__entry->agno = 0;
__entry->ino = 0;
break;
}
__entry->state = state;
__entry->caller_ip = caller_ip;
),
TP_printk("dev %d:%d agno 0x%x ino 0x%llx state %d caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->agno,
__entry->ino,
__entry->state,
(char *)__entry->caller_ip)
);
DECLARE_EVENT_CLASS(xfs_rmapbt_class,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
@ -2966,9 +3018,9 @@ DEFINE_RMAP_DEFERRED_EVENT(xfs_rmap_deferred);
DEFINE_RMAPBT_EVENT(xfs_rmap_update);
DEFINE_RMAPBT_EVENT(xfs_rmap_insert);
DEFINE_RMAPBT_EVENT(xfs_rmap_delete);
DEFINE_AG_ERROR_EVENT(xfs_rmap_insert_error);
DEFINE_AG_ERROR_EVENT(xfs_rmap_delete_error);
DEFINE_AG_ERROR_EVENT(xfs_rmap_update_error);
DEFINE_BTREE_ERROR_EVENT(xfs_rmap_insert_error);
DEFINE_BTREE_ERROR_EVENT(xfs_rmap_delete_error);
DEFINE_BTREE_ERROR_EVENT(xfs_rmap_update_error);
DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_candidate);
DEFINE_RMAPBT_EVENT(xfs_rmap_find_left_neighbor_query);
@ -3094,6 +3146,35 @@ DEFINE_AG_RESV_EVENT(xfs_ag_resv_free_extent);
DEFINE_AG_RESV_EVENT(xfs_ag_resv_critical);
DEFINE_AG_RESV_EVENT(xfs_ag_resv_needed);
/* simple AG-based error/%ip tracepoint class */
DECLARE_EVENT_CLASS(xfs_ag_error_class,
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int error,
unsigned long caller_ip),
TP_ARGS(mp, agno, error, caller_ip),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(xfs_agnumber_t, agno)
__field(int, error)
__field(unsigned long, caller_ip)
),
TP_fast_assign(
__entry->dev = mp->m_super->s_dev;
__entry->agno = agno;
__entry->error = error;
__entry->caller_ip = caller_ip;
),
TP_printk("dev %d:%d agno 0x%x error %d caller %pS",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->agno,
__entry->error,
(char *)__entry->caller_ip)
);
#define DEFINE_AG_ERROR_EVENT(name) \
DEFINE_EVENT(xfs_ag_error_class, name, \
TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int error, \
unsigned long caller_ip), \
TP_ARGS(mp, agno, error, caller_ip))
DEFINE_AG_ERROR_EVENT(xfs_ag_resv_init_error);
/* refcount tracepoint classes */