Re: [PATCH 035/119] xfs: add tracepoints for the rmap functions

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On Thu, Jun 16, 2016 at 06:21:36PM -0700, Darrick J. Wong wrote:
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> ---

Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>

>  fs/xfs/xfs_trace.h |   81 +++++++++++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 79 insertions(+), 2 deletions(-)
> 
> 
> diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
> index 28bd991..6daafaf 100644
> --- a/fs/xfs/xfs_trace.h
> +++ b/fs/xfs/xfs_trace.h
> @@ -2415,8 +2415,6 @@ DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_cancel);
>  DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_finish);
>  DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_abort);
>  
> -DEFINE_MAP_EXTENT_DEFERRED_EVENT(xfs_defer_map_extent);
> -
>  #define DEFINE_BMAP_FREE_DEFERRED_EVENT DEFINE_PHYS_EXTENT_DEFERRED_EVENT
>  DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_defer);
>  DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_deferred);
> @@ -2463,6 +2461,36 @@ DEFINE_EVENT(xfs_rmap_class, name, \
>  		 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,
> +		 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 %u 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_RMAP_EVENT(xfs_rmap_free_extent);
>  DEFINE_RMAP_EVENT(xfs_rmap_free_extent_done);
>  DEFINE_RMAP_EVENT(xfs_rmap_free_extent_error);
> @@ -2470,8 +2498,57 @@ DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent);
>  DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_done);
>  DEFINE_RMAP_EVENT(xfs_rmap_alloc_extent_error);
>  
> +DECLARE_EVENT_CLASS(xfs_rmapbt_class,
> +	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
> +		 xfs_agblock_t agbno, xfs_extlen_t len,
> +		 uint64_t owner, uint64_t offset, unsigned int flags),
> +	TP_ARGS(mp, agno, agbno, len, owner, offset, flags),
> +	TP_STRUCT__entry(
> +		__field(dev_t, dev)
> +		__field(xfs_agnumber_t, agno)
> +		__field(xfs_agblock_t, agbno)
> +		__field(xfs_extlen_t, len)
> +		__field(uint64_t, owner)
> +		__field(uint64_t, offset)
> +		__field(unsigned int, flags)
> +	),
> +	TP_fast_assign(
> +		__entry->dev = mp->m_super->s_dev;
> +		__entry->agno = agno;
> +		__entry->agbno = agbno;
> +		__entry->len = len;
> +		__entry->owner = owner;
> +		__entry->offset = offset;
> +		__entry->flags = flags;
> +	),
> +	TP_printk("dev %d:%d agno %u agbno %u len %u owner %lld offset %llu flags 0x%x",
> +		  MAJOR(__entry->dev), MINOR(__entry->dev),
> +		  __entry->agno,
> +		  __entry->agbno,
> +		  __entry->len,
> +		  __entry->owner,
> +		  __entry->offset,
> +		  __entry->flags)
> +);
> +#define DEFINE_RMAPBT_EVENT(name) \
> +DEFINE_EVENT(xfs_rmapbt_class, name, \
> +	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \
> +		 xfs_agblock_t agbno, xfs_extlen_t len, \
> +		 uint64_t owner, uint64_t offset, unsigned int flags), \
> +	TP_ARGS(mp, agno, agbno, len, owner, offset, flags))
> +
> +#define DEFINE_RMAP_DEFERRED_EVENT DEFINE_MAP_EXTENT_DEFERRED_EVENT
> +DEFINE_RMAP_DEFERRED_EVENT(xfs_rmap_defer);
> +DEFINE_RMAP_DEFERRED_EVENT(xfs_rmap_deferred);
> +
>  DEFINE_BUSY_EVENT(xfs_rmapbt_alloc_block);
>  DEFINE_BUSY_EVENT(xfs_rmapbt_free_block);
> +DEFINE_RMAPBT_EVENT(xfs_rmapbt_update);
> +DEFINE_RMAPBT_EVENT(xfs_rmapbt_insert);
> +DEFINE_RMAPBT_EVENT(xfs_rmapbt_delete);
> +DEFINE_AG_ERROR_EVENT(xfs_rmapbt_insert_error);
> +DEFINE_AG_ERROR_EVENT(xfs_rmapbt_delete_error);
> +DEFINE_AG_ERROR_EVENT(xfs_rmapbt_update_error);
>  
>  #endif /* _TRACE_XFS_H */
>  
> 
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