How is this different from e.g. AppDynamics or Dynatrace for example? Technically speaking, not free/commercial.
From the documentation it doesn't look like much, except probably the biggest downside is that you have to add your instrumentation points manually? i.e. there is code change required.
From the documentation it doesn't look like much, except probably the biggest downside is that you have to add your instrumentation points manually? i.e. there is code change required.