Using SAR in Linux

ls -al /var/log/sa | grep "Apr 22"




Load average at particular time and date

ls -al /var/log/sa | grep "Apr 22"

sar -q -f /var/log/sa/sa22 -s 10:00:01


Swap space used at particular time and date
sar -S -f /var/log/sa/sa22 -s 10:00:01

Memory usage
sar -r -f /var/log/sa/sa22 -s 10:00:01

IO usage
sar -b -f /var/log/sa/sa22 -s 10:00:01

Check swap pages in and out
sar -W -f /var/log/sa/sa22