linux-kernel - Re: [PATCH v2 2/3] io_uring: minor clean up in trace events definition

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Date:   Tue, 15 Jun 2021 10:48:54 +0100
From:   Pavel Begunkov <asml.silence@...il.com>
To:     Olivier Langlois <olivier@...llion01.com>,
        Jens Axboe <axboe@...nel.dk>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] io_uring: minor clean up in trace events
 definition

On 5/31/21 7:54 AM, Olivier Langlois wrote:
> Fix tabulation to make nice columns

Reviewed-by: Pavel Begunkov <asml.silence@...il.com>

> 
> Signed-off-by: Olivier Langlois <olivier@...llion01.com>
> ---
>  include/trace/events/io_uring.h | 35 ++++++++++++++++-----------------
>  1 file changed, 17 insertions(+), 18 deletions(-)
> 
> diff --git a/include/trace/events/io_uring.h b/include/trace/events/io_uring.h
> index 12addad1f837..e4e44a2b4aa9 100644
> --- a/include/trace/events/io_uring.h
> +++ b/include/trace/events/io_uring.h
> @@ -12,11 +12,11 @@ struct io_wq_work;
>  /**
>   * io_uring_create - called after a new io_uring context was prepared
>   *
> - * @fd:			corresponding file descriptor
> - * @ctx:		pointer to a ring context structure
> + * @fd:		corresponding file descriptor
> + * @ctx:	pointer to a ring context structure
>   * @sq_entries:	actual SQ size
>   * @cq_entries:	actual CQ size
> - * @flags:		SQ ring flags, provided to io_uring_setup(2)
> + * @flags:	SQ ring flags, provided to io_uring_setup(2)
>   *
>   * Allows to trace io_uring creation and provide pointer to a context, that can
>   * be used later to find correlated events.
> @@ -52,12 +52,12 @@ TRACE_EVENT(io_uring_create,
>   * io_uring_register - called after a buffer/file/eventfd was successfully
>   * 					   registered for a ring
>   *
> - * @ctx:			pointer to a ring context structure
> - * @opcode:			describes which operation to perform
> + * @ctx:		pointer to a ring context structure
> + * @opcode:		describes which operation to perform
>   * @nr_user_files:	number of registered files
>   * @nr_user_bufs:	number of registered buffers
>   * @cq_ev_fd:		whether eventfs registered or not
> - * @ret:			return code
> + * @ret:		return code
>   *
>   * Allows to trace fixed files/buffers/eventfds, that could be registered to
>   * avoid an overhead of getting references to them for every operation. This
> @@ -142,16 +142,16 @@ TRACE_EVENT(io_uring_queue_async_work,
>  	TP_ARGS(ctx, rw, req, work, flags),
>  
>  	TP_STRUCT__entry (
> -		__field(  void *,				ctx		)
> -		__field(  int,					rw		)
> -		__field(  void *,				req		)
> +		__field(  void *,			ctx	)
> +		__field(  int,				rw	)
> +		__field(  void *,			req	)
>  		__field(  struct io_wq_work *,		work	)
>  		__field(  unsigned int,			flags	)
>  	),
>  
>  	TP_fast_assign(
>  		__entry->ctx	= ctx;
> -		__entry->rw		= rw;
> +		__entry->rw	= rw;
>  		__entry->req	= req;
>  		__entry->work	= work;
>  		__entry->flags	= flags;
> @@ -196,10 +196,10 @@ TRACE_EVENT(io_uring_defer,
>  
>  /**
>   * io_uring_link - called before the io_uring request added into link_list of
> - * 				   another request
> + * 		   another request
>   *
> - * @ctx:			pointer to a ring context structure
> - * @req:			pointer to a linked request
> + * @ctx:		pointer to a ring context structure
> + * @req:		pointer to a linked request
>   * @target_req:		pointer to a previous request, that would contain @req
>   *
>   * Allows to track linked requests, to understand dependencies between requests
> @@ -212,8 +212,8 @@ TRACE_EVENT(io_uring_link,
>  	TP_ARGS(ctx, req, target_req),
>  
>  	TP_STRUCT__entry (
> -		__field(  void *,	ctx			)
> -		__field(  void *,	req			)
> +		__field(  void *,	ctx		)
> +		__field(  void *,	req		)
>  		__field(  void *,	target_req	)
>  	),
>  
> @@ -244,7 +244,7 @@ TRACE_EVENT(io_uring_cqring_wait,
>  	TP_ARGS(ctx, min_events),
>  
>  	TP_STRUCT__entry (
> -		__field(  void *,	ctx			)
> +		__field(  void *,	ctx		)
>  		__field(  int,		min_events	)
>  	),
>  
> @@ -272,7 +272,7 @@ TRACE_EVENT(io_uring_fail_link,
>  	TP_ARGS(req, link),
>  
>  	TP_STRUCT__entry (
> -		__field(  void *,	req		)
> +		__field(  void *,	req	)
>  		__field(  void *,	link	)
>  	),
>  
> @@ -318,7 +318,6 @@ TRACE_EVENT(io_uring_complete,
>  			  __entry->res, __entry->cflags)
>  );
>  
> -
>  /**
>   * io_uring_submit_sqe - called before submitting one SQE
>   *
> 

-- 
Pavel Begunkov