RRDtool is the OpenSource industry standard, high performance data logging and graphing system for time series data. Use it to write your custom monitoring shell scripts or create whole applications using its Perl, Python, Ruby, TCL or PHP bindings.
The RRDTool module is a direct integration of RRDTool as PHP function in IP-Symcon.
No other functions are offered.
The RRDTool manual is the first point of contact to find information about using this module.
The current version number you can find out as follows:
echo RRD_Execute("version -");