ftrace: Add sample module that uses register_ftrace_direct()
Add a sample module that shows a simple use case for
regsiter_ftrace_direct(), and how to use it.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
diff --git a/samples/Kconfig b/samples/Kconfig
index c8dacb4..65b5967 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -19,6 +19,14 @@
This builds a module that calls trace_printk() and can be used to
test various trace_printk() calls from a module.
+config SAMPLE_FTRACE_DIRECT
+ tristate "Build register_ftrace_direct() example"
+ depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m
+ depends on X86_64 # has x86_64 inlined asm
+ help
+ This builds an ftrace direct function example
+ that hooks to wake_up_process and prints the parameters.
+
config SAMPLE_KOBJECT
tristate "Build kobject examples"
help
