[lttng-dev] Issue faced in logging the traces

[Vivek Kumar]

Hi David,

Any update?

Please let me know if more info is required.

Regards, Vivek

On Mon, Feb 18, 2013 at 4:26 PM, Vivek Kumar <vivekkumar.p at gmail.com> wrote:

> Hi David,
>
> Thanks for the response. LTTng-ust is also ported.
> Please find attached the PPT where I have taken the snaps and described
> the issue faced.
> At present I am trying to port and instrument LTTng for userspace only.
>
> My SoC is ARM-Cortex A9 from Mindspeed and the os is openWRT Linux.
>
> LTTng doesn't report any issue when I run it to instrument in userspace
> but CTF is not logged in the Home directory, please take a look to the
> powerpoint slides for descriptions and commands that I give.
>
> Regards, Vivek
>
>
>
> On Fri, Feb 15, 2013 at 7:59 PM, David Goulet <dgoulet at efficios.com>wrote:
>
>> Hi Vivek,
>>
>> In order to collect a trace you need to instrument your application with
>> LTTng-UST tracepoints.
>>
>> If you like to gather the syscalls for instance, you need to install the
>> LTTng modules and start your session daemon as root.
>>
>> If you are still experiencing problem, please provide the commands you
>> use and setup.
>>
>> Thanks!
>> David
>>
>> Vivek Kumar:
>> > Hi,
>> >
>> > I am trying to port LTTng to my arm based board.
>> > For userspace tracing, I have been able to successfully port followings:
>> > LTTng-tools,
>> > LTT-ust Library
>> > Userspace-rcu
>> > libpopt
>> >
>> > Now I can see that lttng-sessiond is running, and am able to create
>> > sessions, enable-event and start and stop tracing.
>> > But, I don't see traces be logged in the home directory (indeed nothing
>> > happens, i.e, not even the creation of the base directory ->
>> lttng-traces).
>> > Am I missing anything because of that LTTng is failing to log traces?
>> > Please help.
>> >
>> > Regards, Vivek
>> >
>> >
>> > --
>> > Best, Vivek
>> >
>> >
>> > This body part will be downloaded on demand.
>>
>
>
>
> --
> Best, Vivek




-- 
Best, Vivek
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