avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.180      0.000    984.460  12819.100      0.000   6193.160 
avg	     0.016      0.000      4.922     64.096      0.000     30.966 
stddev	     0.042      0.000      3.482     14.164      0.000     13.232 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257824.000    493.000   4350.000  21765.700 1048696.000 11076820.990 193547.780  28753.180 233072.790   1637.840  19999.710 
avg	  1289.120      2.465     21.750    108.829   5243.480  55384.105    967.739    143.766   1165.364      8.189     99.999 
stddev	  3732.834     13.679     64.699     32.894  15186.097  16807.138    143.941      1.246    278.988      1.896      0.085