avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.160      0.000     94.630   4406.220      0.000   8795.940 
avg	     0.024      0.000      0.712     33.129      0.000     66.135 
stddev	     0.053      0.000      0.346     10.141      0.000     10.216 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1420805.000     48.000  13402.000    192.000 5752064.000 115908.710  18997.310 190776.900   1374.300  13301.200 
avg	     0.000  10682.744      0.361    100.767      1.444  43248.602    871.494    142.837   1434.413     10.333    100.009 
stddev	     0.000   3095.213      0.511     21.584      2.042   6585.138    106.434      1.369    232.252      2.142      0.143