Re: Why is intr taking up so much cpu?

From: Chris Ruiz <yr.retarded_at_gmail.com>
Date: Mon, 19 Jul 2010 20:19:45 -0500
On Mon, Jul 19, 2010 at 8:03 PM, Doug Barton <dougb_at_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.

-- Chris

-----------------------------------------
http://twitter.com/chrisattack
http://chrisattack.com
Received on Mon Jul 19 2010 - 23:19:46 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:40:05 UTC