Linux - iotop
Материал из Wiki - Iphoster - 'the best ever support'
# iotop -o -a
-o, --only Only show processes or threads actually doing I/O, instead of showing all processes or threads. This can be dynamically toggled by pressing o.
-a, --accumulated Show accumulated I/O instead of bandwidth. In this mode, iotop shows the amount of I/O processes have done since iotop started.