- Add comment explaining the structure of the stack.
- Minor optimization: make stack tuple directly usable as part of return
value for enter/exit events.
dictionary instead of building a new one, and provide an overridable method
to allow subclasses to catch ADD_INFO records that are not part of the
initial block of ADD_INFO records created by the profiler itself.
changing an application to collect profile data on one part of the
app while still making use of the profiled component, without relying
on side effects.
Fred Drake