Hello,

on Linux i use iotop -ao, it is interactive and after a few seconds shows top I/O processes/threads

But when i want non-interactive mode, then it do not accumulate I/O so it is useless i think:

> iotop -bPn 1

This should show processes waiting for the I/O so it may give some idea too:
> ps aux | grep ' D'

Which command non-interactive do you suggest to show accumulated I/O usage or the top process threads causing I/O?