Re: dtrace + fbt provider

[Andrew Doran <ad%NetBSD.org@localhost>]

On Mon, Mar 22, 2010 at 12:40:24AM +1300, Darran Hunt wrote:
>
> On 21/03/2010, at 4:54 PM, Stathis Kamperis wrote:
>
>> 2010/3/21 Thor Lancelot Simon <tls%coyotepoint.com@localhost>:
>>> On Sun, Mar 21, 2010 at 03:11:15AM +0200, Stathis Kamperis wrote:
>>>> Hi all.
>>>>
>>>> With sources as of today, if I do a 'dtrace -l' I don't get 'fbt'
>>>> provider listed.
>>>
>>> Is it a separate kernel module?  I think it was in our local source  
>>> tree
>>> originally.
>>>
>>> Thor
>>>
>>
>> I don't know, but I did first:
>> modload solaris
>> modload dtrace
>>
>> Also, I've set the various mk.conf variables + configured my kernel as
>> per the wiki dtrace page. And in any case, it works, it just doesn't
>> seem to support the 'fbt' provider.
>>
>> I would appreciate any hint on how to unlock this feature, if it is of
>> course supported.
>
> You should be able to load the fbt module (modload fbt) and the sdt  
> module, after that dtrace -l will list all of the FBT probes and a few  
> SDT probes.

Is there provision for autoloading these providers?  If not how about
renaming the current dtrace module to dtrace_core, then have a dtrace
module that's just a shell with dependencies of dtrace,fbt,sdt?