[DTrace-devel] Dtrace on Linux Port

[Paul Dagnelie]

Hey all,

As part of a hackathon project, I was attempting to build the linux kernel
with dtrace, get it running on a VM, and then get it working with ZFS On
Linux.  I have had moderate success; I managed to get the machine to boot,
the dtrace modules loaded, and zfs installed. I can run dtrace fbt probes
and see stack traces! However, there is a significant barrier to doing more
interesting things: the kernel does not appear to contain any CTF data.
Attempting to run `make ctf` in the linux kernel results in a slew of
errors of the form ERROR: "osduld_device_info" [fs/exofs/exofs.ko]
undefined!  I was hoping that someone on this list might be able to provide
some insight into what's going on here, and potentially how to fix the
issues. Thanks for your time!

-- 
Paul Dagnelie
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