Linux 4.9.155-nrj-desktop-1rosa-x86_64 (...) avg-cpu: %user %nice %system %iowait %steal %idle 9.52 0.34 5.18 11.91 0.00 73.05 Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn sda 32.63 955.19 689.08 1001607 722568 sdb 0.62 16.67 0.00 17480 0 sdc 0.48 16.38 0.00 17180 0