These views summarize file I/O activity, grouped by file and thread. By default, rows are sorted with most recent I/O first.
x$latest_file_io views have
For foreground threads, the account associated with the thread (and port number for TCP/IP connections). For background threads, the thread name and thread ID
The file path name.
The wait time of the file I/O event.
The type of operation.
The number of data bytes requested for the file I/O event.