CONFIG_HAVE_DYNAMIC_FTRACE (not configurable)
configname: CONFIG_HAVE_DYNAMIC_FTRACE
Linux Kernel Configuration
└─>HAVE_DYNAMIC_FTRACE
In linux kernel since version 2.6.27 (release Date: 2008-10-09)
See <a href="https://www.kernel.org/doc/Documentation/trace/ftrace-design.txt
">Documentation/trace/ftrace-design.txt
</a>
">Documentation/trace/ftrace-design.txt
</a>