[lttng-dev] Userspace Tracing on 2.6.21 kernel

[Joe Dougherty]

Naresh;

Take a look at the userspace tracing library (UST <http://lttng.org/ust>).
Also take a gander at this
section<http://git.lttng.org/?p=lttv.git;a=blob_plain;f=LTTngManual.html#section3>of
the LTTng online documentation.

HTH
Joe

On Tue, Jan 24, 2012 at 6:54 AM, Naresh Bhat <nareshgbhat at gmail.com> wrote:

> Hi Mathieu,
>
> I am using the following kernel version "linux-2.6.21". I am able to
> run and collect the LTTng traces, But do not see any trace for tasks,
> process, cpu usage and Interrupt service routines.
>
> Now, my question is how can I collect the traces for the following
>
> 1.  Is there a mechanism where applications from user space are
> required to register to enable traces?
> 2.  Are there any config changes which will enable traces for tasks
> and processes?
>
> Please, help me to understand.
>
> -- Thanks and Regards
> -Naresh Bhat
>
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