Linux 4.9.124-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 22.14 0.24 7.48 3.97 0.00 66.17 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 32.71 755.75 400.30 1575006 834240 sdb 0.06 0.43 0.00 904 0