Updated: October 20, 2013

Applies To: Windows 8, Windows 8.1

This action produces a text report that summarizes the metrics for disk I/O.

-a diskio [-util <n>] [-summary] [-counts] [-detail] [-overlap] [-range T1 T2]

-util [n]
Shows disk utilization for n-second intervals. The default is 1 second.

Shows an I/O summary report for each file.

Shows details of each I/O event.

Shows overlapping of I/O events.

-range T1 T2
Shows data between time T1 and time T2, both in microseconds.

If no report type is selected, the default is to show disk utilization report.