linux-kernel - [PATCH 3/5] ring-buffer: Remove add_ts

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Date:   Tue, 18 Oct 2022 20:00:54 +0800
From:   sunliming <sunliming@...inos.cn>
To:     rostedt@...dmis.org, mingo@...nel.org
Cc:     linux-kernel@...r.kernel.org, kelulanainsley@...il.com,
        sunliming <sunliming@...inos.cn>
Subject: [PATCH 3/5] ring-buffer: Remove add_ts_default to simplify code

The variable add_ts_default is not necessary when absolute timestamp is
removed, so remove it to simplify code.

Signed-off-by: sunliming <sunliming@...inos.cn>
---
 kernel/trace/ring_buffer.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index ab0aef15f82a..cb261456216f 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -3666,7 +3666,6 @@ rb_reserve_next_event(struct trace_buffer *buffer,
 	struct ring_buffer_event *event;
 	struct rb_event_info info;
 	int nr_loops = 0;
-	int add_ts_default;
 
 	rb_start_commit(cpu_buffer);
 	/* The commit page can not change after this */
@@ -3688,10 +3687,8 @@ rb_reserve_next_event(struct trace_buffer *buffer,
 
 	info.length = rb_calculate_event_length(length);
 
-	add_ts_default = RB_ADD_STAMP_NONE;
-
  again:
-	info.add_timestamp = add_ts_default;
+	info.add_timestamp = RB_ADD_STAMP_NONE;
 	info.delta = 0;
 
 	/*
-- 
2.25.1