Linux 4.9.124-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 7.13 0.02 0.98 1.53 0.00 90.33 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 27.10 876.70 164.24 963265 180456 sdb 1.30 12.80 0.00 14065 1