Eu tenho um problema, já que não estou familiarizado com o awk. Eu tenho o arquivo csv gerado a partir da saída sar -d convertida para o estilo csv:
12:33:41 unix,restarts
12:35:00,lofi4096,0,0.0,0,0,0.0,0.0
,iscsi0,0,0.0,0,0,0.0,0.0
,...
29.03.2014 / 09:53