DTrace for FreeBSD - Status Update

[Daniel O'Connor]

On Saturday 27 May 2006 05:20, John Birrell wrote:
> I've added a KDTRACE kernel option which compiles in the hooks that
> DTrace uses and a bit of extra exception handling code. This
> is only minimal bloat.
>
> Apart from those hooks, the DTrace kernel functionality is in the
> 'dtrace' device which is also the 'dtrace' provider. The other
> providers register themselves with the 'dtrace' device.
>
> If the DTrace device modules aren't loaded, there is very little
> code in the kernel to share.

Factoring out the common code into a separate module that dtrace/ktrace/etc 
can depend would be a good approach IMO.

Although having just a single source copy but compiling it N times would be 
better (modulo licensing concerns - perhaps the hwpmc version could be used?)

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20060527/d8ad654a/attachment-0001.pgp