Re: [PATCH] Documentation: describe trace_buf_size parameter more accurately
From: Steven Rostedt
Date: Wed Dec 03 2014 - 04:06:42 EST
On Wed, 3 Dec 2014 10:39:20 +0900
Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> wrote:
> I'm stuck into panic that too litte free memory is left when I boot with
> trace_buf_size parameter. After digging into the problem, I found that
> trace_buf_size is the size of trace buffer on each cpu rather than total
> size of trace buffer. To prevent victim like me, change description of
> trace_buf_size parameter more accurately.
Heh, Thanks, I'll apply this.
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> Documentation/kernel-parameters.txt | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index 70cfce5..fc77457 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -3546,7 +3546,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> are saved.
> - [FTRACE] will set tracing buffer size.
> + [FTRACE] will set tracing buffer size on each cpu.
> [FTRACE] Set and start specified trace events in order
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