Language : Perl
The agent is basically a scheduler which manage multiple plugins executions, and send data to the collector in JSON format.
The internal scheduler uses a "Vixie" cron-like syntax, with an additional 6th column if you want to play with seconds. minute 0-59 hour 0-23 day of month 1-31 month 1-12 (or as names) day of week 0-7 (0 or 7 is Sunday, or as names ) seconds 0-59 (optional)
If nothing specified, the default interval is set to 5 minutes in etc/serene-agent/config.ini : default_interval="*/5 * * * * *"