On Mon, 19 Jul 2010, Chris Ruiz wrote:
On Mon, Jul 19, 2010 at 8:03 PM, Doug Barton <do...@freebsd.org> wrote:
I added options KDTRACE_HOOKS to my kernel config, built a new kernel, and
rebooted. I decided to try your script before things went sideways so I'd
have an idea of what to expect, and it didn't work:
dtrace: failed to initialize dtrace: DTrace device not available on system
Is there something else I need to do to enable it?
You need to build the kernel with CTF. Try adding "makeoptions
WITH_CTF=yes" to your config and rebuilding your kernel. There's a
blurb in src/UPDATING about other ways to accomplish the same thing.
Thanks for the suggestion, but no improvement. Doing:
strings /boot/kernel/kernel | grep -i dtrace
Shows lots of dtrace-related entries, unlike previous kernels built
without the KDTRACE_HOOKS option, but same error with Dan's script.
Doug
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