avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.120      0.000    442.810   2796.170      0.000  10060.890 
avg	     0.001      0.000      3.329     21.024      0.000     75.646 
stddev	     0.010      0.000      1.058      5.480      0.000      5.586 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    336.000      0.000  15031.050      0.000 7570526.470 133911.340  18733.180 168463.020   1243.370  13299.830 
avg	     0.000      2.526      0.000    113.015      0.000  56921.252   1006.852    140.851   1266.639      9.349     99.999 
stddev	     0.000     14.353      0.000     24.344      0.000  12373.470     10.684      4.190    225.331      2.372      0.165