[Bug 232675] dtrace: "failed to compile script" when more than 2^15 distinct types are in CTF info

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Jun 22 06:57:58 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232675

--- Comment #28 from Dimitry Andric <dim at FreeBSD.org> ---
For some reason, the effect is also much more pronounced on i386 than on amd64,
which I noticed because a bunch of dtrace-enabled ports (such as perl and node)
failed only on i386.

E.g.:

revision  amd64  i386
========  =====  =====
r348302   35900  39487
r349011   29976  36473

Something seems to have happened between r348302 and r348980 to lower the
number of types on amd64 from 35900 to 29976, and it stayed there ever since.

But the trick, whatever it was, did not appear to work for i386...

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