[erlang-questions] FreeBSD dtrace-enabled builds
Sat Jan 31 10:02:45 CET 2015
On FreeBSD 10.1R amd64, after building a modified lang/erlang port, the following alarming warning is displayed. This is the same in the newer lang/erlang-runtime17 flavour as well BTW.
WARNING: number of probes fixed does not match the number of defined probes (1001 != 1088, respectively)
WARNING: some probes might not fire or your program might crash
Erlang/OTP 17 [erts-6.3] [source] [64-bit] [smp:8:8] [async-threads:64] [hipe] [kernel-poll:true] [dtrace]
Eshell V6.3 (abort with ^G)
No doubt this is in reference the forthcoming zombie apocalypse…
How serious is this — does anybody have practical experience to relate?
Any idea on what the problem might be or what I might need to do to fix it?
Assuming this is resolved, what is the practical impact of using a dtrace-enabled build in production? Is there likely to be a significant performance hit, or is this even foolish from a stability perspective? Handwavey answers are entirely appropriate here.
— sent from my Couch
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