[Xymon] How does the vmstat.rrd file get populated?

Ok, I guess I presented the question wrong. So if it's a standard client message shouldn't I see the RRD data if I'm listening in on both status and data channels on the server?

I'm using the data from the rrd channels to feed into another product, but I'm not seeing vmstat from the standard client. There's an RRD file and a graph on the trends page showing vmstat CPU utilization but I'm not capturing that data in my file.

I have a number of older clients that still use the bottom feeder script and I'm capturing that data.

Thanks Greg Shea EMC Corporation