V$IOFUNCMETRIC

V$IOFUNCMETRIC displays I/O statistics information by database function for the most recent time interval period.

Column	Datatype	Description
`BEGIN_TIME`	`DATE`	Begin time for the metric value
`END_TIME`	`DATE`	End time for the metric value
`INTSIZE_CSEC`	`NUMBER`	Size of the time period
`FUNCTION_ID`	`NUMBER`	Function ID
`FUNCTION_NAME`	`VARCHAR2(18)`	Function name
`SMALL_READ_MBPS`	`NUMBER`	Single block megabytes read per second
`SMALL_WRITE_MBPS`	`NUMBER`	Single block megabytes written per second
`LARGE_READ_MBPS`	`NUMBER`	Multiblock megabytes read per second
`LARGE_WRITE_MBPS`	`NUMBER`	Multiblock megabytes written per second
`SMALL_READ_IOPS`	`NUMBER`	Single block read requests per second
`SMALL_WRITE_IOPS`	`NUMBER`	Single block write requests per second
`LARGE_READ_IOPS`	`NUMBER`	Multiblock read requests per second
`LARGE_WRITE_IOPS`	`NUMBER`	Multiblock write requests per second
`AVG_WAIT_TIME`	`NUMBER`	Average wait time (in milliseconds)