Sar

sar allows you to monitor your computer resources' usage over a time frame.

Examples

tweedleburg:~ # sar 10
Linux 2.6.32.12-0.7-default (tweedleburg)    12/05/2010      _x86_64_ 

05:05:02 AM     CPU     %user     %nice   %system   %iowait    %steal     %idle
05:05:12 AM     all      7.16      0.00      0.79      0.00      0.00     92.04
05:05:22 AM     all      7.05      0.00      0.77      0.02      0.00     92.16

See also

• vmstat
• iostat
• top