Hey Vasanth,
Correct; I should have mentioned that use of the globbing character means that
you could match other modules. As you say, using a predicate will protect you
against erroneous matches.
Adam
On Dec 28, 2010, at 3:52 AM, vasanth wrote:
> Thanks Adam.
>
> That works.
>
> Does this means the probe will match for not just "646%8859.so", but also
> for other module, like "646x8859.so" or "646a8859.so" etc. Do I need to
> have the additional check for the specific module in the predicate (
> /probemod == "646%8859.so"/ )
>
> Thanks
> Vasanth
>
>> Hey Vasanth,
>>
>> You might try something like this:
>>
>> pid1061:646?8859.so::entry
>> {
>> ...
>> }
>>
>> You might then his a problem in the pid provider itself; let me know
>> and we can work from there.
>>
>> Adam
>>
>> On Mon, Dec 27, 2010 at 6:35 AM, Vasanth Bhat
>> <vasa...@sun.com>
>> wrote:
>>
>>
>>> Hi,
>>>
>>> Is there a escape charater to escape the appeareance of special
>>> characters like '%' appearing as a part of probemode or probefunc.
>>>
>>> For example, I the following sample d-trace script which fails to compile
>>> because of the special character '%'.This is part of the libraryname (
>>> /usr/lib/iconv/646%8859.so )
>>>
>>> pid1061:646%8859.so::entry
>>> {
>>> printf("%s|%d|%s|%s\n",execname,pid,probemod,probefunc);
>>> }
>>>
>>> When tried to run it fails with error "dtrace: failed to compile script
>>> /tmp/d-scripts/runscan_1061.d: line 8: syntax error near "%"
>>>
>>> I tried using "\" to escape "%". But that didn't help. How we handle such
>>> cases?
>>>
>>> Also, on an another note, how do we obtain the fullpath of the library
>>> inside a d-script. The "probemod" by default retuurns the module name
>>> without the path. (libxyz.so)
>>>
>>> Thanks
>>> Vasanth
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> dtrace-discuss mailing list
>>>
>>> dtrace-discuss@opensolaris.org
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>
--
Adam Leventhal, Delphix http://dtrace.org/blogs/ahl
--
Adam Leventhal, Delphix http://dtrace.org/blogs/ahl
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