avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.780      0.000     30.480  12193.030      0.000   1075.700 
avg	     0.006      0.000      0.229     91.677      0.000      8.088 
stddev	     0.009      0.000      0.135     18.121      0.000     18.066 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 2561463.410      9.000  20279.840     36.000 10329871.610 134806.200  18867.390 128084.540   1344.960  13299.430 
avg	     0.000  19259.123      0.068    152.480      0.271  77668.208   1013.580    141.860    963.042     10.112     99.996 
stddev	     0.000   4130.478      0.280     33.314      1.118  17175.525     29.107      4.493    284.770     20.782      0.226