xbian@xbian ~ $ vmstat 5 20
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 1  0  39700  23024    332  46916    0    0   387    20 1984 2664 31  8 61  1
 0  0  39700  23024    332  46916    0    0     0     0 1433  843 68  2 30  0
 1  0  39700  23032    332  46916    0    0     0     0 1465  859 68  2 30  0
 1  0  39700  22836    332  47012    0    0     0     0 1455  861 68  2 30  0
 1  0  39700  22864    332  47012    0    0     0     0 1471  866 68  2 30  0
 2  0  39700  22864    332  47012    0    0     0     0 1435  844 68  2 31  0
 0  0  39700  22864    332  47012    0    0     0     0 1503  890 69  3 29  0
 0  0  39700  22864    332  47012    0    0     0     0 1443  852 68  2 30  0
 2  0  39700  22864    332  47012    0    0     0     0 1444  848 68  2 30  0
 2  0  39700  22864    332  47012    0    0     0     0 1462  858 68  2 30  0
 1  0  39700  22864    332  47012    0    0     0     0 1453  857 68  2 30  0
 0  0  39700  22864    332  47012    0    0     0     0 1502  882 68  3 30  0
 0  0  39700  22864    332  47012    0    0     0     0 1452  853 68  2 30  0
 1  0  39700  22864    332  47012    0    0     0     0 1464  861 68  2 30  0
 1  0  39700  22864    332  47012    0    0     0     0 1463  856 68  2 30  0
 1  0  39700  22864    332  47012    0    0     0     0 1529  897 68  2 29  0
 1  0  39700  22864    332  47012    0    0     0     0 1503  883 68  3 29  0
 1  0  39700  22864    332  47012    0    0     0     0 1472  866 68  3 29  0
 0  0  39700  22864    332  47012    0    0     0     0 1438  849 68  2 30  0
 0  0  39700  22864    332  47012    0    0     0     0 1502  877 68  2 29  0