linux-kernel - [PATCH 1/3] tracing/workqueue: fix list header and function name format

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Date:	Tue, 26 May 2009 16:06:58 +0800
From:	Zhaolei <zhaolei@...fujitsu.com>
To:	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] tracing/workqueue: fix list header and function name
 format

Fix list header of workqueue trace,
and use %pf to print the function name only(ignore the offsets).

Before patch:
 # CPU INSERTED EXECUTED    MAX us   AVG us   TASKNAME:PID
 #  |     |        |           |      ` |     -WORKFUNC
 #  |     |        |           |        |          |
     0        1        1     1053     1053   `-flush_async_commits+0x0/0x90
 ...

After patch:
 # CPU INSERTED EXECUTED   MAX us   AVG us   TASKNAME:PID
 #  |     |        |         |        |      `-WORKFUNC
 #  |     |        |         |        |           |
     0        1        1     1155     1155   `-flush_async_commits
 ...

Signed-off-by: Zhao Lei <zhaolei@...fujitsu.com>
---
 kernel/trace/trace_workqueue.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c
index c67be60..6cee4a8 100644
--- a/kernel/trace/trace_workqueue.c
+++ b/kernel/trace/trace_workqueue.c
@@ -409,7 +409,7 @@ static int workqueue_stat_show(struct seq_file *s, void *p)
 			avg_time = 0;
 		}
 
-		seq_printf(s, "  %3d   %6d   %6u   %6llu   %6llu   %c-%pF\n",
+		seq_printf(s, "  %3d   %6d   %6u   %6llu   %6llu   %c-%pf\n",
 			cws->cpu,
 			wfstat->inserted,
 			wfstat->executed,
@@ -457,11 +457,13 @@ static void workqueue_stat_file_open(void)
 		/**/
 static int workqueue_stat_headers(struct seq_file *s)
 {
-	seq_printf(s, "# CPU INSERTED EXECUTED    MAX us   AVG us"
-			"   TASKNAME:PID\n");
-	seq_printf(s, "#  |     |        |           |      ` |"
-			"     -WORKFUNC\n");
-	seq_printf(s, "#  |     |        |           |        |          |\n");
+	seq_printf(s,
+		"# CPU INSERTED EXECUTED   MAX us   AVG us   TASKNAME:PID\n");
+	seq_printf(s,
+		"#  |     |        |         |        |      `-WORKFUNC\n");
+	seq_printf(s,
+		"#  |     |        |         |        |           |\n");
+
 	return 0;
 }
 
-- 
1.5.5.3

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