Storage device and storage device operation analyzing method

A storage device comprises: a hypervisor that enables the use of a unique common identifier at each timing in a block control unit and a file control unit; a block control unit that associates block trace information representing a block level operation status with respect to a storage region with the common identifier corresponding to the timing of generation of the block level operation status; a file control unit that associates file trace information representing a file level operation status with respect to the storage region with the common identifier corresponding to the timing of generation of the file level operation status.