avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	    23.150      0.000    598.700  13039.860      0.000    138.500 
avg	     0.168      0.000      4.338     94.492      0.000      1.004 
stddev	     0.050      0.000      0.644      6.525      0.000      6.669 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     84.000      3.000  17653.000     12.000 8596791.500 134643.050  18942.250 157572.860   1347.880  13740.800 
avg	     0.000      0.609      0.022    127.920      0.087  62295.591    975.674    137.263   1141.832      9.767     99.571 
stddev	     0.000      1.119      0.189     45.570      0.756  22280.204     39.060     23.649    399.014      6.250      5.056