avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     5.080      0.000     91.270  13058.550      0.000    145.100 
avg	     0.038      0.000      0.686     98.185      0.000      1.091 
stddev	     0.057      0.000      0.414      4.320      0.000      4.122 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1428935.000      4.000  11968.000     16.000 5761112.000 128020.890  18533.210 205955.170   1479.620  13300.400 
avg	     0.000  10743.872      0.030     89.985      0.120  43316.632    962.563    139.347   1548.535     11.125    100.003 
stddev	     0.000   2425.723      0.210      3.455      0.841   1699.068     18.568     11.775    144.219      0.420      0.035