From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Tue, 10 Mar 2009 04:57:10 +0000 (+0900)
Subject: doc: add trace_buf_size description to kernel-parameters.txt
X-Git-Tag: firefly_0821_release~13991^2~248
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=631595fbf4aeac260e664a8a002897e4db6a50dd;p=firefly-linux-kernel-4.4.55.git

doc: add trace_buf_size description to kernel-parameters.txt

from early boot tracing view, trace_buf_size parameter is important.
it should be documented.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
LKML-Reference: <20090310135200.A48B.A69D9226@jp.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 454f42b21f16..7643483bdd6a 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2344,6 +2344,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	tp720=		[HW,PS2]
 
+	trace_buf_size=nn[KMG] [ftrace] will set tracing buffer size.
+
 	trix=		[HW,OSS] MediaTrix AudioTrix Pro
 			Format:
 			<io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>