root@odroidxu4:~# smartctl -d sat -a /dev/sda | grep "^190" ; timeout 600 minerd --benchmark 2>&1 | grep Total ; smartctl -d sat -a /dev/sda | grep "^190"
190 Airflow_Temperature_Cel 0x0032   059   050   000    Old_age   Always       -       41
[2017-08-21 06:10:05] Total: 9.96 khash/s
[2017-08-21 06:10:10] Total: 9.90 khash/s
[2017-08-21 06:10:15] Total: 9.96 khash/s
[2017-08-21 06:10:20] Total: 9.95 khash/s
[2017-08-21 06:10:25] Total: 9.88 khash/s
[2017-08-21 06:10:30] Total: 9.81 khash/s
[2017-08-21 06:10:35] Total: 9.71 khash/s
[2017-08-21 06:10:40] Total: 9.52 khash/s
[2017-08-21 06:10:45] Total: 9.62 khash/s
[2017-08-21 06:10:50] Total: 9.60 khash/s
[2017-08-21 06:10:55] Total: 9.61 khash/s
[2017-08-21 06:11:00] Total: 9.61 khash/s
[2017-08-21 06:11:05] Total: 9.51 khash/s
[2017-08-21 06:11:10] Total: 9.38 khash/s
[2017-08-21 06:11:15] Total: 9.50 khash/s
[2017-08-21 06:11:20] Total: 9.60 khash/s
[2017-08-21 06:11:25] Total: 9.56 khash/s
[2017-08-21 06:11:30] Total: 9.58 khash/s
[2017-08-21 06:11:35] Total: 9.29 khash/s
[2017-08-21 06:11:40] Total: 9.34 khash/s
[2017-08-21 06:11:45] Total: 9.34 khash/s
[2017-08-21 06:11:50] Total: 9.32 khash/s
[2017-08-21 06:11:55] Total: 9.33 khash/s
[2017-08-21 06:12:00] Total: 9.33 khash/s
[2017-08-21 06:12:05] Total: 9.30 khash/s
[2017-08-21 06:12:11] Total: 9.18 khash/s
[2017-08-21 06:12:14] Total: 9.27 khash/s
[2017-08-21 06:12:15] Total: 9.29 khash/s
[2017-08-21 06:12:20] Total: 9.30 khash/s
[2017-08-21 06:12:25] Total: 9.32 khash/s
[2017-08-21 06:12:30] Total: 9.29 khash/s
[2017-08-21 06:12:35] Total: 9.26 khash/s
[2017-08-21 06:12:40] Total: 9.12 khash/s
[2017-08-21 06:12:45] Total: 9.20 khash/s
[2017-08-21 06:12:50] Total: 9.24 khash/s
[2017-08-21 06:12:55] Total: 9.16 khash/s
[2017-08-21 06:13:00] Total: 9.15 khash/s
[2017-08-21 06:13:05] Total: 9.16 khash/s
[2017-08-21 06:13:10] Total: 9.02 khash/s
[2017-08-21 06:13:15] Total: 9.15 khash/s
[2017-08-21 06:13:20] Total: 9.10 khash/s
[2017-08-21 06:13:25] Total: 9.15 khash/s
[2017-08-21 06:13:30] Total: 9.12 khash/s
[2017-08-21 06:13:35] Total: 9.10 khash/s
[2017-08-21 06:13:41] Total: 8.98 khash/s
[2017-08-21 06:13:44] Total: 8.99 khash/s
[2017-08-21 06:13:45] Total: 9.07 khash/s
[2017-08-21 06:13:51] Total: 9.09 khash/s
[2017-08-21 06:13:55] Total: 9.07 khash/s
[2017-08-21 06:14:00] Total: 9.06 khash/s
[2017-08-21 06:14:05] Total: 9.03 khash/s
[2017-08-21 06:14:10] Total: 8.96 khash/s
[2017-08-21 06:14:15] Total: 9.03 khash/s
[2017-08-21 06:14:20] Total: 9.02 khash/s
[2017-08-21 06:14:25] Total: 9.04 khash/s
[2017-08-21 06:14:30] Total: 9.02 khash/s
[2017-08-21 06:14:35] Total: 9.00 khash/s
[2017-08-21 06:14:40] Total: 8.99 khash/s
[2017-08-21 06:14:45] Total: 8.98 khash/s
[2017-08-21 06:14:50] Total: 8.89 khash/s
[2017-08-21 06:14:55] Total: 9.03 khash/s
[2017-08-21 06:15:00] Total: 8.99 khash/s
[2017-08-21 06:15:05] Total: 8.98 khash/s
[2017-08-21 06:15:10] Total: 8.95 khash/s
[2017-08-21 06:15:15] Total: 8.95 khash/s
[2017-08-21 06:15:20] Total: 8.94 khash/s
[2017-08-21 06:15:25] Total: 8.95 khash/s
[2017-08-21 06:15:30] Total: 9.01 khash/s
[2017-08-21 06:15:35] Total: 9.00 khash/s
[2017-08-21 06:15:40] Total: 8.98 khash/s
[2017-08-21 06:15:45] Total: 8.97 khash/s
[2017-08-21 06:15:50] Total: 8.76 khash/s
[2017-08-21 06:15:55] Total: 8.85 khash/s
[2017-08-21 06:16:00] Total: 9.00 khash/s
[2017-08-21 06:16:05] Total: 9.11 khash/s
[2017-08-21 06:16:10] Total: 9.02 khash/s
[2017-08-21 06:16:15] Total: 8.85 khash/s
[2017-08-21 06:16:20] Total: 8.90 khash/s
[2017-08-21 06:16:25] Total: 8.88 khash/s
[2017-08-21 06:16:30] Total: 8.88 khash/s
[2017-08-21 06:16:35] Total: 8.92 khash/s
[2017-08-21 06:16:40] Total: 8.84 khash/s
[2017-08-21 06:16:45] Total: 8.87 khash/s
[2017-08-21 06:16:50] Total: 8.80 khash/s
[2017-08-21 06:16:55] Total: 8.86 khash/s
[2017-08-21 06:17:00] Total: 8.84 khash/s
[2017-08-21 06:17:05] Total: 8.82 khash/s
[2017-08-21 06:17:10] Total: 8.82 khash/s
[2017-08-21 06:17:15] Total: 8.74 khash/s
[2017-08-21 06:17:20] Total: 8.85 khash/s
[2017-08-21 06:17:25] Total: 8.90 khash/s
[2017-08-21 06:17:30] Total: 8.87 khash/s
[2017-08-21 06:17:35] Total: 8.84 khash/s
[2017-08-21 06:17:40] Total: 8.81 khash/s
[2017-08-21 06:17:45] Total: 8.81 khash/s
[2017-08-21 06:17:50] Total: 8.75 khash/s
[2017-08-21 06:17:55] Total: 8.77 khash/s
[2017-08-21 06:18:00] Total: 8.78 khash/s
[2017-08-21 06:18:05] Total: 8.76 khash/s
[2017-08-21 06:18:10] Total: 8.75 khash/s
[2017-08-21 06:18:15] Total: 8.77 khash/s
[2017-08-21 06:18:20] Total: 8.73 khash/s
[2017-08-21 06:18:25] Total: 8.73 khash/s
[2017-08-21 06:18:30] Total: 8.74 khash/s
[2017-08-21 06:18:35] Total: 8.73 khash/s
[2017-08-21 06:18:40] Total: 8.73 khash/s
[2017-08-21 06:18:45] Total: 8.73 khash/s
[2017-08-21 06:18:50] Total: 8.64 khash/s
[2017-08-21 06:18:55] Total: 8.64 khash/s
[2017-08-21 06:19:00] Total: 8.70 khash/s
[2017-08-21 06:19:05] Total: 8.70 khash/s
[2017-08-21 06:19:10] Total: 8.69 khash/s
[2017-08-21 06:19:15] Total: 8.70 khash/s
[2017-08-21 06:19:20] Total: 8.67 khash/s
[2017-08-21 06:19:25] Total: 8.72 khash/s
[2017-08-21 06:19:30] Total: 8.70 khash/s
[2017-08-21 06:19:35] Total: 8.68 khash/s
[2017-08-21 06:19:40] Total: 8.69 khash/s
[2017-08-21 06:19:45] Total: 8.68 khash/s
[2017-08-21 06:19:50] Total: 8.62 khash/s
Terminated
190 Airflow_Temperature_Cel 0x0032   052   050   000    Old_age   Always       -       48