What cron job is /usr/lib/sa/sa1

I have logwatch enabled for my machine. Suddenly I see this line in my logwatch

/usr/lib64/sa/sa1 1 1 : 4297 times
/usr/lib64/sa/sa2 -A : 29 times
run-part /etc/cron.hourly : 716

I tried crontab -e but I dont see any entries?

It is configured in /etc/cron.d/sysstat.

And what it is (quote man sa1):

sa1  -  Collect and store binary data in the system activity daily data file.

And (man sa2):

sa2 - Write a daily report in the /var/log/sa directory.

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