Map all collected metrics to perfdata #1337
Description
It looks like some of the standard checks collect data which are not sent to perfdata. For example, when I query the memory endpoint from the ncpa gui, i get 5 data points: available, total, percent, free, used. Similarly, when i query the nagios rrdexport API endpoint for this service, i see those 5 data points.
When I query the swap endpoint in the ncpa gui, I get 6 data points: used, swapped_out, swapped_in, total, percent, free. However, when I query the rrdexport API endpoint for this service, I only see three: used, total, free. Those are also the only three metrics graphed by the performance grapher in the nagios UI.
This also applies to disk, which is only generating perfdata for 'used', 'free' and 'total' but has several other metrics collected by the agent