dtracing static symbols

[Daniel O'Connor]

On 12 Mar 2014, at 15:26, Mark Johnston <markj at freebsd.org> wrote:
> On Wed, Mar 12, 2014 at 12:53 AM, Daniel O'Connor <doconnor at gsoft.com.au> wrote:
>> 
>> On 12 Mar 2014, at 15:22, Mark Johnston <markj at freebsd.org> wrote:
>>> On Wed, Mar 12, 2014 at 12:50 AM, Daniel O'Connor <doconnor at gsoft.com.au> wrote:
>>>> 
>>>> On 12 Mar 2014, at 15:15, Prashanth Kumar <pra_udupi at yahoo.co.in> wrote:
>>>>> If you run
>>>>> # env DTRACE_DEBUG=1 dtrace -Ppid\$target -l  -c ./static
>>>>> you will notice that lot of probe creation will fail, also no probes are created for instruction offsets.
>>>>>  you will have to update the libproc library and fasttrap code to trace all the
>>>>> functions.
>>>> 
>>>> I don't really care about the function offsets, just static functions.
>>>> 
>>>> Or are you suggesting updating libproc and the fasttrap code will allow that (as well as instruction offsets)?
>>> 
>>> I'd suggest updating to 9-STABLE. There have been quite a few fixes to
>>> fasttrap and libproc since 9.2.
>> 
>> OK, I'll give it a try.
>> 
>> Have things change substantially in 10? Updating to that is probably going to be as easy (famous last words :)
> 
> No, STABLE-9 and STABLE-10 should be more or less identical as far as
> userland DTrace is concerned. There are some extra changes on CURRENT,
> but I don't think they'd affect the behaviour you're seeing.

OK, I upgraded to r263061 and I can now see static variables, thanks!

--
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
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