Linux 4.9.111-nrj-desktop-2rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 3.71 0.03 1.30 3.75 0.00 91.21 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 17.82 427.55 389.10 915508 833180 sdb 0.07 1.52 0.00 3256 0 sdc 0.05 1.06 0.00 2260 0