Linux 4.9.155-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 3.34 0.12 1.35 0.36 0.00 94.83 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 27.04 631.14 178.25 1380585 389912 sdb 0.15 6.81 0.01 14904 12 sdc 0.22 7.36 0.00 16091 0