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>
This commit is contained in:
KOSAKI Motohiro 2009-03-10 13:57:10 +09:00 committed by Ingo Molnar
parent 9a1043d19c
commit 631595fbf4

View File

@ -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>