On Oct 2, 2007, at 3:43 PM, Rolf.Vandevaart_at_[hidden] wrote:
> I propose that we drop the mca parameter "btl_base_debug". It is
> an added
> level of complexity that does not provide any benefit. In fact, the
> debug/verbose code in the btl_base_open.c is such that we can never
> turn on verbose messages.
Heh -- I assume that this is an RFC, right? :-)
> A quick research of the other base components in the OMPI area show
> none of them have a *_base_debug mca parameter. They only have a
> *_base_verbose parameter.
> I will plan on making this change but just thought I would check
> and see if
> there is some historical or other reason why btl_base_debug should
> be removed.
> (This came up as I was trying to figure out how to turn on
> verbosity for
> the MX problem reported on the users list. )
I don't really have an opinion either way, but I think you can turn
on *some* debug messages by setting btl_base_verbose to (for example)
100. It looks like these messages are mainly in the BTL base
selection logic and the openib BTL.