tracelog(3)
===========
:object-type: macro


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


SYNOPSIS
--------
[verse]
*#include <lttng/tracelog.h>*

[verse]
#define *tracelog*('level', 'fmt', ...)
#define *vtracelog*('level', 'fmt', 'ap')

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


DESCRIPTION
-----------
The `tracelog()` and `vtracelog()` macros are part of version{nbsp}0 of
the LTTng-UST API (see the ``Compatibility with previous APIs'' section
of man:lttng-ust(3)).

Prefer using man:lttng_ust_tracelog(3) and man:lttng_ust_vtracelog(3)
which are part of version{nbsp}1 of the API and have the `lttng_ust_`
namespace.


include::common-footer.txt[]

include::common-copyrights.txt[]

include::common-authors.txt[]


SEE ALSO
--------
man:lttng_ust_tracelog(3),
man:lttng_ust_vtracelog(3)