[lttng-dev] LTTng

[Yannick Brosseau]

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Hi,

UST could work for your logging purpose, but one drag back is that
you'll need to have a session daemon running, which will spawn a
consumer. You will also need to manage the start/stop of the tracing.

Yannick

On 2012-07-20 10:56, David Goulet wrote:
> Hi Luay,
>
> I am not aware of any Log4c --> LTTng transition work done up to this
> day...
>
> One thing I can say is that user space tracing using LTTng will
> certainly improve speed and scalability performance.
>
> The event LOGLEVEL feature is pretty interesting for that where you
> can only enable a certain loglevel facility for a trace (exactly like
> the syslog facilities). You can refer to the lttng-ust(3) man page for
> more information.
>
> Moreover, you can also couple kernel traces to your user space traces
> which can give you way more information :).
>
> I guess that if now one replies to this thread describing their
> experience with log4c vs lttng, you guys will be the first to try a
> transition and we will be more than happy to help you with any bugs or
> difficulties you'll encounter :)
>
> Moreover, if you are able to come up with some sort of scripts/recipe
> for that, it will be the kind of documentation or tool that could
> benefit big time the community! :)
>
> Feel free to ask on the mailing list any concerns/questions/comments
> you have.
>
> Cheers!
> David
>
> Alawneh, Luay:
> > Hi,
>
>
>
> > I am reading about LTTng and I would like to know if it can
> > replace Log4c for logging user space events in the production
> > environment. In addition to the method enter/exit events we also
> > use Log4c to log many other events to indicate errors and other
> > useful information.
>
>
>
> > To summarize, I would like to know if LTTng can be used in a
> > production environment for logging different types of events. We
> > are planning to replace Log4c with another logging framework to
> > improve the performance by reducing the time spent in logging.
>
>
>
> > Thanks,
>
>
>
> > Luay Alawneh
>
> > Nuance Communications
>
>
>
>
>
> > This body part will be downloaded on demand.
>
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev

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