ubuntu@d05-3:~$ cat /proc/version
Linux version 4.10.0-28-generic (buildd@bos01-arm64-012) (gcc version 6.3.0 20170406 (Ubuntu/Linaro 6.3.0-12ubuntu2) ) #32-Ubuntu SMP Fri Jun 30 05:33:10 UTC 2017

ubuntu@d05-3:~$ sudo stress-ng --class io --sequential 64
stress-ng: info:  [7461] rdrand stressor will be skipped, CPU does not support the rdrand instruction.
stress-ng: info:  [7461] tsc stressor will be skipped, CPU does not support the tsc instruction.
stress-ng: info:  [7461] defaulting to a 60 second run per stressor
stress-ng: info:  [7461] dispatching hogs: 64 aio, 64 aiol, 64 hdd, 64 readahead, 64 seek, 64 sync-file
stress-ng: info:  [7461] cache allocate: using built-in defaults as unable to determine cache details
stress-ng: info:  [7743] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7761] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7762] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7778] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7768] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7770] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7758] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7742] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7771] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7751] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7775] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7750] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7760] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7755] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7766] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7802] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7748] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7779] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7785] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7759] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7780] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7792] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7773] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7796] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7763] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7803] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7765] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7774] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7776] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7777] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7787] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7789] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7746] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7794] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7784] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7744] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7753] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7754] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7764] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7747] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7741] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7786] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7769] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7767] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7781] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7740] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7772] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7752] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7756] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7783] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7757] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7790] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7745] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7749] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7791] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7782] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7798] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7793] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7795] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7797] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7801] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7788] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7800] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7799] stress-ng-readahead: test expired during test setup (writing of data file)
stress-ng: info:  [7461] successful run completed in 691.85s (11 mins, 31.85 secs)