ctx_enter, ctx_exit, ctx_print

Hi all,
  I'm working on debug together with Amos, working on reducing the
size of the API, removing cruft and making it a bit speedier in the
meantime.
I'm looking into refactoring ctx_enter/ctx_exit into RAII, but right
nw i can't remember ever seeing a context dump in a cache.log.
Is it actually used anywhere or is it just something we could get rid
of without regret?

Thanks.

-- 
  Kinkie