avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    17.470      0.000    405.590  13199.420      0.000    177.450 
avg	     0.127      0.000      2.939     95.648      0.000      1.286 
stddev	     0.043      0.000      0.346      5.631      0.000      5.778 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000   1187.970     49.000  16007.420    196.000 6500684.510 112682.870  19744.920 174766.940   1386.220  13799.410 
avg	     0.000      8.608      0.355    115.996      1.420  47106.409    816.543    143.079   1266.427     10.045     99.996 
stddev	     0.000      4.851      0.479     42.508      1.914  17271.717    118.746      4.128    289.698      4.279      0.123