[lttng-dev] liblttng-ust overhead, take 2

[Philippe Proulx]

On Thu, Sep 7, 2017 at 1:55 PM, Mathieu Desnoyers
<mathieu.desnoyers at efficios.com> wrote:
> Also, please note that lttng-modules exposes a /proc/lttng-logger
> file, into which you can write from user-space. It ends up in the
> kernel trace. This could do the trick if for some reason lttng-ust
> does not work for your scenario. However, the lttng-logger proc
> file is just there as a convenience for scripts, and is by no mean
> a "fast" tracing interface.

See <http://lttng.org/docs/v2.10/#doc-proc-lttng-logger-abi>.

Phil

>
> Thanks,
>
> Mathieu
>
> >
> > Thanks
> >
> > --
> > Milian Wolff | milian.wolff at kdab.com | Senior Software Engineer
> > KDAB (Deutschland) GmbH&Co KG, a KDAB Group company
> > Tel: +49-30-521325470
> > KDAB - The Qt Experts
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> --
> Mathieu Desnoyers
> EfficiOS Inc.
> http://www.efficios.com
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