avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     7.120      0.000    333.960  16116.570      0.000   3542.320 
avg	     0.036      0.000      1.670     80.583      0.000     17.712 
stddev	     0.059      0.000      0.407     15.588      0.000     15.710 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	258011.000    537.000   4151.000  21205.730 1048648.000 10743080.590 192405.060  28584.660 236385.610   1663.940  20000.010 
avg	  1290.055      2.685     20.755    106.029   5243.240  53715.403    962.025    142.923   1181.928      8.320    100.000 
stddev	  3547.587      5.506     56.981     29.717  14415.672  15086.770    135.362      5.705    292.691      1.747      0.075