SELECT `extract_schema_from_file_name` ( `performance_schema` . `file_summary_by_instance` . `FILE_NAME` ) AS `table_schema` , `extract_table_from_file_name` ( `performance_schema` . `file_summary_by_instance` . `FILE_NAME` ) AS `table_name` , SUM ( `performance_schema` . `file_summary_by_instance` . `COUNT_READ` ) AS `count_read` , SUM ( `performance_schema` . `file_summary_by_instance` . `SUM_NUMBER_OF_BYTES_READ` ) AS `sum_number_of_bytes_read` , SUM ( `performance_schema` . `file_summary_by_instance` . `SUM_TIMER_READ` ) AS `sum_timer_read` , SUM ( `performance_schema` . `file_summary_by_instance` . `COUNT_WRITE` ) AS `count_write` , SUM ( `performance_schema` . `file_summary_by_instance` . `SUM_NUMBER_OF_BYTES_WRITE` ) AS `sum_number_of_bytes_write` , SUM ( `performance_schema` . `file_summary_by_instance` . `SUM_TIMER_WRITE` ) AS `sum_timer_write` , SUM ( `performance_schema` . `file_summary_by_instance` . `COUNT_MISC` ) AS `count_misc` , SUM ( `performance_schema` . 