[lttng-dev] Could I enable a particular system call tracing in LTTng 2.0

Rui Han r.han at umiami.edu
Thu Jul 12 15:16:32 EDT 2012


Hi Mathieu,

Thank you for your reply. Then I probably will filter the tracing info by
post processing. I will keep exploring this great tool. It is very useful.
Thanks again.

Regards,
Rui

On Thu, Jul 12, 2012 at 1:10 PM, Mathieu Desnoyers <
mathieu.desnoyers at efficios.com> wrote:

> * Rui Han (r.han at umiami.edu) wrote:
> > Hi,
> >
> > I just start using LTTng for my project. I found the system call tracing
> is
> > verbose. What if I only want have one or several particular syscalls
> > logged, how could I do that? Is there an easy way to do this like for
> > kernel events by "lttng enable-event sched_switch -k."?
>
> No at this point, sorry.
>
> Eventually, this could be done once the filter bytecode gets ported from
> LTTng-UST to LTTng-modules, but we have no ETA on this at this point.
>
> Thanks,
>
> Mathieu
>
> >
> > Thank you very much.
> >
> > Regards,
> > Rui
>
> > _______________________________________________
> > lttng-dev mailing list
> > lttng-dev at lists.lttng.org
> > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
>
>
> --
> Mathieu Desnoyers
> Operating System Efficiency R&D Consultant
> EfficiOS Inc.
> http://www.efficios.com
>
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