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Message-Id: <20221019003134.cc24bd624cc6fca06a05206c@kernel.org>
Date: Wed, 19 Oct 2022 00:31:34 +0900
From: Masami Hiramatsu (Google) <mhiramat@...nel.org>
To: Zheng Yejian <zhengyejian1@...wei.com>
Cc: <rostedt@...dmis.org>, <corbet@....net>,
<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<tom.zanussi@...ux.intel.com>
Subject: Re: [PATCH -next] tracing/histogram: Update document for KEYS_MAX
size
On Mon, 17 Oct 2022 10:38:06 +0000
Zheng Yejian <zhengyejian1@...wei.com> wrote:
> After commit 4f36c2d85ced ("tracing: Increase tracing map KEYS_MAX size"),
> 'keys' supports up to three fields.
This looks good to me.
Acked-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
Steve, do you this this document fix should go into the stable trees?
Thank you,
>
> Signed-off-by: Zheng Yejian <zhengyejian1@...wei.com>
> ---
> Documentation/trace/histogram.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/trace/histogram.rst b/Documentation/trace/histogram.rst
> index c1b685a38f6b..87bd772836c0 100644
> --- a/Documentation/trace/histogram.rst
> +++ b/Documentation/trace/histogram.rst
> @@ -39,7 +39,7 @@ Documentation written by Tom Zanussi
> will use the event's kernel stacktrace as the key. The keywords
> 'keys' or 'key' can be used to specify keys, and the keywords
> 'values', 'vals', or 'val' can be used to specify values. Compound
> - keys consisting of up to two fields can be specified by the 'keys'
> + keys consisting of up to three fields can be specified by the 'keys'
> keyword. Hashing a compound key produces a unique entry in the
> table for each unique combination of component keys, and can be
> useful for providing more fine-grained summaries of event data.
> --
> 2.25.1
>
--
Masami Hiramatsu (Google) <mhiramat@...nel.org>
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