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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 07:26:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 07:26:15 +0000
commitc72e01b9ea891fa5cbbbe9876bdfb49079b55be7 (patch)
tree44c55a81a281a6c211745c0abc68352aeaf0180f /Documentation/libtracefs-log.txt
parentInitial commit. (diff)
downloadlibtracefs-upstream/1.6.4.tar.xz
libtracefs-upstream/1.6.4.zip
Adding upstream version 1.6.4.upstream/1.6.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+libtracefs(3)
+=============
+
+NAME
+----
+tracefs_set_loglevel - Set log level of the library
+
+SYNOPSIS
+--------
+[verse]
+--
+*#include <tracefs.h>*
+
+int *tracefs_set_loglevel*(enum tep_loglevel _level_);
+--
+
+DESCRIPTION
+-----------
+The *tracefs_set_loglevel()* function sets the level of the library logs that will be printed on
+the console. See _libtraceevent(3)_ for detailed description of the log levels. Setting the log
+level to specific value means that logs from the previous levels will be printed too. For example
+_TEP_LOG_WARNING_ will print any logs with severity _TEP_LOG_WARNING_, _TEP_LOG_ERROR_ and
+_TEP_LOG_CRITICAL_. The default log level is _TEP_LOG_CRITICAL_. When a new level is set, it is
+also propagated to the libtraceevent.
+
+EXAMPLE
+-------
+[source,c]
+--
+#include <tracefs.h>
+
+tracefs_set_loglevel(TEP_LOG_ALL);
+...
+/* call libtracefs or libtraceevent APIs and observe any logs they produce */
+...
+tracefs_set_loglevel(TEP_LOG_CRITICAL);
+--
+FILES
+-----
+[verse]
+--
+*tracefs.h*
+ Header file to include in order to have access to the library APIs.
+*-ltracefs*
+ Linker switch to add when building a program that uses the library.
+--
+
+SEE ALSO
+--------
+*libtracefs*(3),
+*libtraceevent*(3),
+*trace-cmd*(1)
+
+AUTHOR
+------
+[verse]
+--
+*Steven Rostedt* <rostedt@goodmis.org>
+*Tzvetomir Stoyanov* <tz.stoyanov@gmail.com>
+--
+REPORTING BUGS
+--------------
+Report bugs to <linux-trace-devel@vger.kernel.org>
+
+LICENSE
+-------
+libtracefs is Free Software licensed under the GNU LGPL 2.1
+
+RESOURCES
+---------
+https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/
+
+COPYING
+-------
+Copyright \(C) 2021 VMware, Inc. Free use of this software is granted under
+the terms of the GNU Public License (GPL).