[nkvoll]

Without custom metrics (for example, via StatsD), I'm unable to use Longview to collect these "Meaningful metrics". It may provide me with an overview of what a system does as a whole, but I definitely need custom events from my applications to show up in the same graphs for it to be useful.

[marianoguerra]

you could adapt the agent and use something like Event Fabric: http://event-fabric.com/ and add the other information you need with different agents.

disclaimer: I'm the founder of Event Fabric