avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.910      0.000    235.040   4950.100      0.000   8113.980 
avg	     0.007      0.000      1.767     37.219      0.000     61.007 
stddev	     0.016      0.000      1.496     19.983      0.000     20.834 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      1.000      0.000  10197.730      0.000 5105401.590 133076.910  19090.340 261070.300   1837.940  13299.640 
avg	     0.000      0.008      0.000     76.675      0.000  38386.478   1000.578    143.536   1962.935     13.819     99.997 
stddev	     0.000      0.086      0.000     20.520      0.000  10414.500     10.582      1.617    372.393      3.106      0.227