AWR report showing the following sql statement in 200 Million times executions with module toad 11.

The below sql statement showing high executions

select  user from sys.dual.

Executions

Rows Processed

Rows per Exec

Elapsed Time (s)

%CPU

%IO

SQL Id

SQL Module

SQL Text

98,273,767

98,272,869

1

926.36 99.6

0

1v717nvrhgbn9

TOAD 11.0.0.116

SELECT USER FROM SYS.DUAL

106,297,345

106,284,561

1

1,040.97

98.5

0

1v717nvrhgbn9

TOAD 11.0.0.116

SELECT USER FROM SYS.DUAL

Need to know that who is executing the  above sql statement , from which user/machine,

How to find the Machine / user who is executing the statement ( select user from sys.dual)

The module name it is showing   TOAD 11.0.0.116, But when i searched in  v$active_sessio_history with  module and  sql_id it gives me no rows.