tracing: Fix doc mistakes in trace sample

As the example below shows, DECLARE_EVENT_CLASS() is used instead of
DEFINE_EVENT_CLASS().

Link: http://lkml.kernel.org/r/20200428214959.11259-1-richard.weiyang@gmail.com

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Wei Yang 2020-04-28 21:49:59 +00:00 committed by Steven Rostedt (VMware)
parent 386c82a703
commit f094a233e1

View File

@ -416,7 +416,7 @@ TRACE_EVENT_FN(foo_bar_with_fn,
* Note, TRACE_EVENT() itself is simply defined as:
*
* #define TRACE_EVENT(name, proto, args, tstruct, assign, printk) \
* DEFINE_EVENT_CLASS(name, proto, args, tstruct, assign, printk); \
* DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, printk); \
* DEFINE_EVENT(name, name, proto, args)
*
* The DEFINE_EVENT() also can be declared with conditions and reg functions: