#1 show delta of I/O Reads/Writes

[Lars Huttar]

Hello,
PEX looks interesting and useful. Thanks for making this open source project available.

One thing I have often found lacking in the Windows Task Manager is a "Delta" column for I/O Reads and I/O Writes.
If my hard drive is churning and I want to know why, I can sort the processes by "I/O Reads", but that only tells me which processes have read from the drive the most since they began. This may or may not reflect which processes have been reading from the drive most in the last few minutes.

By comparison, the Mem Delta column tells me which processes have been allocating the most memory in the last few seconds.

The solution to this need would be something like an "I/O Read Delta" column, i.e. a column that displays the number of reads since the last refresh, or in the last minute. (I think the latter would be more useful.) An I/O Write Delta column might be handy too.

Regards,
Lars