ppetraki@:Desktop$ sudo dstat -Dsdb
You did not select any stats, using -cdngy by default.
----total-cpu-usage---- --dsk/sdb-- -net/total- ---paging-- ---system--
usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw 
  2   0  97   0   0   0|7266B 1657B|   0     0 |  26k   44k| 203   871 
  2   1  97   1   0   0|   0     0 |   0     0 |   0     0 | 219   935 ^@^
  2   0  97   0   0   0|   0     0 |   0     0 |   0     0 | 189  1095 
  2   1  97   0   0   0|   0     0 | 214B  139B|  12k    0 | 391  1755 
  3   1  96   0   0   0|   0     0 | 158B  155B|   0     0 | 286  1382 
  1   1  98   0   0   0|   0     0 |  70B   70B|   0     0 | 347  1519