Linux 4.9.155-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 13.02 1.24 5.56 15.42 0.00 64.75 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 88.62 2123.94 1211.47 1198112 683388 sdb 0.51 15.27 0.00 8612 0