linux-kernel - [PATCH] tracing: Fix minor typos in samples header

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Date:   Fri, 15 Sep 2023 02:59:02 +0530
From:   Deepak R Varma <drv@...lo.com>
To:     linux-kernel@...r.kernel.org, rostedt@...dmis.org
Cc:     linux-kernel-mentees@...ts.linuxfoundation.org,
        ivan.orlov0322@...il.com, skhan@...uxfoundation.org,
        Deepak R Varma <drv@...lo.com>
Subject: [PATCH] tracing: Fix minor typos in samples header

Following minor corrections in the comments section of the trace
events sample header file.

   - There are 6 parts of the TRACE_EVENT macro instead of 5 (name,
     TP_PROTO, TP_ARGS, TP_STRUCT, TP_fast_assign, TP_printk).

   - The example variable for __field_struct type should be the
     variable name instead of the variable.

   - Improve closing brace alignment to improve readability.

Signed-off-by: Deepak R Varma <drv@...lo.com>
---
 samples/trace_events/trace-events-sample.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index 1c6b843b8c4e..551ecad212c8 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -61,7 +61,7 @@
 #include <linux/tracepoint.h>

 /*
- * The TRACE_EVENT macro is broken up into 5 parts.
+ * The TRACE_EVENT macro is broken up into 6 parts.
  *
  * name: name of the trace point. This is also how to enable the tracepoint.
  *   A function called trace_foo_bar() will be created.
@@ -93,7 +93,7 @@
  *
  *         __field_struct(struct bar, foo)
  *
- *         __entry->bar.x = y;
+ *         __entry->foo.x = y;

  *   __array: There are three fields (type, name, size). The type is the
  *         type of elements in the array, the name is the name of the array.
@@ -410,7 +410,7 @@ TRACE_EVENT_CONDITION(foo_bar_with_cond,

 	TP_STRUCT__entry(
 		__string(	foo,    foo		)
-		__field(	int,	bar			)
+		__field(	int,	bar		)
 	),

 	TP_fast_assign(
--
2.39.2