avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    10.060      0.000  10699.190   2547.780      0.000     42.740 
avg	     0.076      0.000     80.445     19.156      0.000      0.321 
stddev	     0.075      0.000     15.489     15.524      0.000      0.427 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1616950.620    104.780  30749.300    419.130 6588704.720  57846.990    816.100   3286.950    405.320   9306.530 
avg	     0.000  12157.523      0.788    231.198      3.151  49539.133    434.940      6.136     24.714      3.048     69.974 
stddev	     0.000   2530.800      0.475     64.603      1.899  10422.386     94.045      4.157     12.753      0.573     15.433