> > +static void show_loop_info(Instrumentation *instrument, bool isworker,
> > + ExplainState *es);
> >
> > I think this should be done as a separate refactoring commit.
Right - the 0001 patch I sent seems independently beneficial, and makes the
changes in 0002 more apparent. My 0001 could also be applied after the feature
freeze and before branching for v16..