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