Binary package “iotop” in ubuntu xenial
simple top-like I/O monitor
iotop does for I/O usage what top(1) does for CPU usage. It watches I/O
usage information output by the Linux kernel and displays a table of
current I/O usage by processes on the system. It is handy for answering
the question "Why is the disk churning so much?".
.
iotop can only run under a Linux 2.6.20 or later kernel built with the
CONFIG_TASKSTATS, CONFIG_
CONFIG_