NAME

       tracelog - LTTng-UST printf(3)-like interface with a log level

SYNOPSIS

       #include <lttng/tracelog.h>

       #define tracelog(level, fmt, ...)

       Link with -llttng-ust -llttng-ust-common.

DESCRIPTION

       The tracelog() macro is part of version 0 of the LTTng-UST API (see the “Compatibility with previous
       APIs” section of lttng-ust(3)).

       Prefer using lttng_ust_tracelog(3) which is part of version 1 of the API and has the lttng_ust_
       namespace.

BUGS

       If you encounter any issue or usability problem, please report it on the LTTng bug tracker
       <https://bugs.lttng.org/projects/lttng-ust>.

RESOURCES

       •   LTTng project website <http://lttng.org>

       •   LTTng documentation <http://lttng.org/docs>

       •   Git repositories <http://git.lttng.org>

       •   GitHub organization <http://github.com/lttng>

       •   Continuous integration <http://ci.lttng.org/>

       •   Mailing list <http://lists.lttng.org> for support and development: lttng-dev@lists.lttng.org

       •   IRC channel <irc://irc.oftc.net/lttng>: #lttng on irc.oftc.net

COPYRIGHTS

       This macro is part of the LTTng-UST project.

       This macro is distributed under the GNU Lesser General Public License, version 2.1
       <http://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html>. See the COPYING
       <https://github.com/lttng/lttng-ust/blob/v2.13/COPYING> file for more details.

THANKS

       Thanks to Ericsson for funding this work, providing real-life use cases, and testing.

       Special thanks to Michel Dagenais and the DORSAL laboratory <http://www.dorsal.polymtl.ca/> at École
       Polytechnique de Montréal for the LTTng journey.

AUTHORS

       LTTng-UST was originally written by Mathieu Desnoyers, with additional contributions from various other
       people. It is currently maintained by Mathieu Desnoyers <mailto:mathieu.desnoyers@efficios.com>.

SEE ALSO

       lttng_ust_tracelog(3), lttng_ust_vtracelog(3)

LTTng 2.13.9                                       04/14/2025                                        TRACELOG(3)