Re: [PATCH] io_uring: Add to traces the req pointer when available

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Hi,

>> @@ -333,13 +333,14 @@ TRACE_EVENT(io_uring_complete,
>>   */
>>  TRACE_EVENT(io_uring_submit_sqe,
>>  
>> -	TP_PROTO(void *ctx, u8 opcode, u64 user_data, bool force_nonblock,
>> -		 bool sq_thread),
>> +	TP_PROTO(void *ctx, void *req, u8 opcode, u64 user_data,
>> +		 bool force_nonblock, bool sq_thread),
>>  
>> -	TP_ARGS(ctx, opcode, user_data, force_nonblock, sq_thread),
>> +	TP_ARGS(ctx, req, opcode, user_data, force_nonblock, sq_thread),
>>  
>>  	TP_STRUCT__entry (
>>  		__field(  void *,	ctx		)
>> +		__field(  void *,	req		)
>>  		__field(  u8,		opcode		)
>>  		__field(  u64,		user_data	)
>>  		__field(  bool,		force_nonblock	)
>> @@ -348,26 +349,42 @@ TRACE_EVENT(io_uring_submit_sqe,
>>  
>>  	TP_fast_assign(
>>  		__entry->ctx		= ctx;
>> +		__entry->req		= req;
>>  		__entry->opcode		= opcode;
>>  		__entry->user_data	= user_data;
>>  		__entry->force_nonblock	= force_nonblock;
>>  		__entry->sq_thread	= sq_thread;
>>  	),
>>  
>> -	TP_printk("ring %p, op %d, data 0x%llx, non block %d, sq_thread %d",
>> -			  __entry->ctx, __entry->opcode,
>> -			  (unsigned long long) __entry->user_data,
>> -			  __entry->force_nonblock, __entry->sq_thread)
>> +	TP_printk("ring %p, req %p, op %d, data 0x%llx, non block %d, "
>> +		  "sq_thread %d",  __entry->ctx, __entry->req,
>> +		  __entry->opcode, (unsigned long long)__entry->user_data,
>> +		  __entry->force_nonblock, __entry->sq_thread)
>>  );

If that gets changed, could be also include the personality id and flags here,
and maybe also translated the opcode and flags to human readable strings?

metze



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