avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    25.350      0.000    924.280  12773.680      0.000     76.820 
avg	     0.184      0.000      6.698     92.563      0.000      0.557 
stddev	     0.058      0.000      0.879      4.140      0.000      4.064 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    446.000     55.000  17702.320    220.000 7116618.260 114206.610  19500.840 158035.210   1252.360  13799.410 
avg	     0.000      3.232      0.399    128.278      1.594  51569.698    827.584    141.310   1145.183      9.075     99.996 
stddev	     0.000      5.391      0.490     45.460      1.958  20332.949    223.463      2.547    275.402      4.265      0.123