User trace events
modulename: trace_events_user.ko
configname: CONFIG_USER_EVENTS
Linux Kernel Configuration
└─>Kernel hacking
└─>Tracers
└─>User trace events
In linux kernel since version 5.2 (release Date: 2019-07-07)
User trace events are user-defined trace events that
can be used like an existing kernel trace event. User trace
events are generated by writing to a tracefs file. User
processes can determine if their tracing events should be
generated by registering a value and bit with the kernel
that reflects when it is enabled or not.
See <a href="https://www.kernel.org/doc/Documentation/trace/user_events.rst.
If">Documentation/trace/user_events.rst.
If</a> in doubt, say N.
can be used like an existing kernel trace event. User trace
events are generated by writing to a tracefs file. User
processes can determine if their tracing events should be
generated by registering a value and bit with the kernel
that reflects when it is enabled or not.
See <a href="https://www.kernel.org/doc/Documentation/trace/user_events.rst.
If">Documentation/trace/user_events.rst.
If</a> in doubt, say N.