Linux 4.9.95-nrj-desktop-2rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 3.09 0.12 1.11 0.62 0.00 95.05 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 16.60 144.59 1152.35 1392017 11093913 sdb 0.51 14.46 0.01 139256 52