From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Frederic Weisbecker <fweisbec@gmail.com>
Subject: [PATCH] tracing: annotate emit_log_char() notrace
Date: Wed, 27 May 2009 17:00:44 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.00.0905271657340.3397@localhost.localdomain> (raw)
printk calls emit_log_char() in a loop which is cluttering the trace
buffer. Make it notrace.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/printk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6-tip/kernel/printk.c
===================================================================
--- linux-2.6-tip.orig/kernel/printk.c
+++ linux-2.6-tip/kernel/printk.c
@@ -499,7 +499,7 @@ static void call_console_drivers(unsigne
_call_console_drivers(start_print, end, msg_level);
}
-static void emit_log_char(char c)
+static void notrace emit_log_char(char c)
{
LOG_BUF(log_end) = c;
log_end++;
next reply other threads:[~2009-05-27 15:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-27 15:00 Thomas Gleixner [this message]
2009-05-28 14:16 ` Frederic Weisbecker
2009-05-28 14:52 ` Thomas Gleixner
2009-05-28 15:04 ` Steven Rostedt
2009-05-28 15:42 ` Thomas Gleixner
2009-05-28 19:23 ` Steven Rostedt
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