[fictioncircle]

Sentry captures exception logs only and from within the application. You could probably use it to do any kind of event-based tracking but its quotas are pretty clearly intended for significant failure events that you would normally dump into the error log. (i.e. Fatal Errors as well as anything in a try/catch block)

An open source broad based log collecting/processing stack would be more like:

https://www.elastic.co/webinars/introduction-elk-stack