avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.270      0.000    412.720   3874.450      0.000   9012.580 
avg	     0.002      0.000      3.103     29.131      0.000     67.764 
stddev	     0.017      0.000      0.704      5.453      0.000      5.473 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    334.000      0.000  14685.640      0.000 7509153.500 136003.450  18646.180 171533.140   1280.330  13300.210 
avg	     0.000      2.511      0.000    110.418      0.000  56459.801   1022.582    140.197   1289.723      9.627    100.002 
stddev	     0.000     13.335      0.000     25.083      0.000  12849.030      7.344      3.315    228.285      2.561      0.152