To monitor processes by I/O instead of CPU, on Linux we have “iotop”. iotop does not exist on FreeBSD. We can use iostat or top like this.
~# top -m io -o total ~# iostat -w 1http://blog.arainho.me/freebsd/top/io/2016/02/10/monitor-io-in-freebsd-with-top.html
