avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.930      0.000    780.280  12492.350      0.000     23.190 
avg	     0.030      0.000      5.867     93.927      0.000      0.174 
stddev	     0.032      0.000      1.229      1.493      0.000      0.714 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   2051.880     27.000  15615.800    108.000 3597910.390  62655.560   8671.030  75445.380   1304.610  13087.200 
avg	     0.000     15.428      0.203    117.412      0.812  27051.958    471.094     65.196    567.258      9.809     98.400 
stddev	     0.000     14.389      0.402     37.587      1.609   8406.153    110.693     35.144    352.287      5.131      3.248