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[Bug runtime/11592] sdt.h should have a 'disable-semaphores' override option


------- Additional Comments From fche at redhat dot com  2010-05-12 15:24 -------
(In reply to comment #1)
> Why doesn't semaphores work like the is-enabled stuff in dtrace:

Right, that foo_IS_ENABLED() is already supported as is.

> Seems like that would be much more useful than automatically enabling it for all
> probes.

The argument has been that we've encountered cases where sdt.h macros
were called with fairly heavy-weight arguments, but without an
explicit foo_IS_ENABLED() wrapper.  In these cases, it helped.  But now
there is evidence that it also hurts sometimes, so we need to re-evaluate.



-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=11592

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