avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.900      0.000    102.520   4328.640      0.000   8867.820 
avg	     0.007      0.000      0.771     32.546      0.000     66.675 
stddev	     0.035      0.000      0.434     12.084      0.000     12.308 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1387020.270     47.000  13383.050    188.000 5622399.800 113055.430  18998.840 189520.180   1351.050  13299.410 
avg	     0.000  10428.724      0.353    100.624      1.414  42273.683    850.041    142.848   1424.964     10.158     99.996 
stddev	     0.000   3233.832      0.537     16.747      2.149   5014.433    106.151      1.509    168.014      1.574      0.135