Linux 4.9.20-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 19.23 0.37 6.66 0.63 0.00 73.12 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 0.33 3.65 17.46 27480 131332 sdb 50.84 283.50 1955.65 2132745 14712036