Ftracing in kernel

Erlon Cruz sombrafam at gmail.com
Mon Feb 21 13:08:29 EST 2011


Hmm...interesting guess. I made this change, declaring all functions
as non static and the trace worked on then. Sweet! What made me get
confused is that before this change, some of the functions traced
correctly with ftrace were static.

On Mon, Feb 21, 2011 at 2:29 PM, Mulyadi Santosa
<mulyadi.santosa at gmail.com> wrote:
> On Mon, Feb 21, 2011 at 20:34, Erlon Cruz <sombrafam at gmail.com> wrote:
>> Hi folks,
>>  I've configured my kernel(2.6.35) to support ftrace*. Everything seems to
>> be ok. After I mounted the debugfs folder I can find all tracing stuffs
>> there. The problem is not of all functions on my module seems to be listed
>> in the funtions supported for tracing. In the
>> file available_filter_functions that suppose to list all functions traced,
>> only show 4 or 5 functions of my module. Does anyone knows why some
>> functions are not listed?
>
> wild guess, because they are either static or inlined or both?
>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer and consultant
>
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
>



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