Most machines will have an hourly cron job entry that looks like this
0 * * * * /usr/lib/sa/sa1 1200 3
This runs every hour and records SAR data on a 20 minute interval.
sa1 paramters are time in seconds and number of intervals to record. So to change it to a 10 minute interval you will need to change it to.
0 * * * * /usr/lib/sa/sa1 600 6