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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:25:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:25:46 +0000 |
commit | 5277429a362a9cf4ce649557bf4c8fe0e20c05c0 (patch) | |
tree | 52cc97728c6fbb7393984dc3db05c5836107fe44 /Documentation/libtraceevent-log.txt | |
parent | Initial commit. (diff) | |
download | libtraceevent-5277429a362a9cf4ce649557bf4c8fe0e20c05c0.tar.xz libtraceevent-5277429a362a9cf4ce649557bf4c8fe0e20c05c0.zip |
Adding upstream version 1:1.7.1.upstream/1%1.7.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/libtraceevent-log.txt')
-rw-r--r-- | Documentation/libtraceevent-log.txt | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/Documentation/libtraceevent-log.txt b/Documentation/libtraceevent-log.txt new file mode 100644 index 0000000..a236e2a --- /dev/null +++ b/Documentation/libtraceevent-log.txt @@ -0,0 +1,90 @@ +libtraceevent(3) +================ + +NAME +---- +tep_set_loglevel - Set log level of the library + +SYNOPSIS +-------- +[verse] +-- +*#include <event-parse.h>* + +enum *tep_loglevel* { + TEP_LOG_NONE = 0, + TEP_LOG_CRITICAL, + TEP_LOG_ERROR, + TEP_LOG_WARNING, + TEP_LOG_INFO, + TEP_LOG_DEBUG, + TEP_LOG_ALL +}; + +int *tep_set_loglevel*(enum tep_loglevel _level_); + +-- +DESCRIPTION +----------- +The *tep_set_loglevel()* function sets the level of the library logs that will be printed +on the console. Library log levels are: +[verse] +-- + _TEP_LOG_NONE_ - Do not print any logs. + _TEP_LOG_CRITICAL_ - Print critical logs, problem that may cause a crash. + _TEP_LOG_ERROR_ - Print error logs, problem that could break the main logic of an API. + _TEP_LOG_WARNING_ - Print warnings, problem that could limit the result of an API. + _TEP_LOG_INFO_ - Print information about normal execution of an API. + _TEP_LOG_DEBUG_ - Print debug information. + _TEP_LOG_ALL_ - Print logs from all 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_. + + +EXAMPLE +------- +[source,c] +-- +#include <event-parse.h> + +tep_set_loglevel(TEP_LOG_ALL); +... +/* call libtraceevent APIs and observe any logs they produce */ +... +tep_set_loglevel(TEP_LOG_CRITICAL); +-- + +FILES +----- +[verse] +-- +*event-parse.h* + Header file to include in order to have access to the library APIs. +*-ltraceevent* + Linker switch to add when building a program that uses the library. +-- + +SEE ALSO +-------- +*libtraceevent*(3), *trace-cmd*(1) + +AUTHOR +------ +[verse] +-- +*Steven Rostedt* <rostedt@goodmis.org>, author of *libtraceevent*. +*Tzvetomir Stoyanov* <tz.stoyanov@gmail.com>, author of this man page. +-- +REPORTING BUGS +-------------- +Report bugs to <linux-trace-devel@vger.kernel.org> + +LICENSE +------- +libtraceevent is Free Software licensed under the GNU LGPL 2.1 + +RESOURCES +--------- +https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ |