tracing: Fix doc mistakes in trace sample

RichardWeiYang · rostedt · commit f094a233e1d5 · 2020-05-07T13:32:57.000-04:00
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>
diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
@@ -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:

Original file line number	Diff line number	Diff line change
`@@ -416,7 +416,7 @@ TRACE_EVENT_FN(foo_bar_with_fn,`
`416`	`416`	`* Note, TRACE_EVENT() itself is simply defined as:`
`417`	`417`	`*`
`418`	`418`	`* #define TRACE_EVENT(name, proto, args, tstruct, assign, printk) \`
`419`		`- * DEFINE_EVENT_CLASS(name, proto, args, tstruct, assign, printk); \`
	`419`	`+ * DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, printk); \`
`420`	`420`	`* DEFINE_EVENT(name, name, proto, args)`
`421`	`421`	`*`
`422`	`422`	`* The DEFINE_EVENT() also can be declared with conditions and reg functions:`