linux-kernel - Re: [PATCH v2 2/2] hexdump: Allow skipping identical lines

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Message-ID: <b960e89b-e0d5-4274-8710-981442b2caba@infradead.org>
Date: Fri, 10 Jan 2025 21:36:09 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Miquel Raynal <miquel.raynal@...tlin.com>, Petr Mladek
 <pmladek@...e.com>, Steven Rostedt <rostedt@...dmis.org>,
 Rasmus Villemoes <linux@...musvillemoes.dk>,
 Sergey Senozhatsky <senozhatsky@...omium.org>,
 Jonathan Corbet <corbet@....net>, John Ogness <john.ogness@...utronix.de>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] hexdump: Allow skipping identical lines

Hi,

On 1/10/25 10:42 AM, Miquel Raynal wrote:
> diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst
> index ecccc0473da9c10f45f2464566f690472c61401e..90e6616284d1faf5882019eba8de6bebffe4883a 100644
> --- a/Documentation/core-api/printk-formats.rst
> +++ b/Documentation/core-api/printk-formats.rst
> @@ -310,7 +310,9 @@ Raw buffer as a hex string
>  
>  For printing small buffers (up to 64 bytes long) as a hex string with a
>  certain separator. For larger buffers consider using
> -:c:func:`print_hex_dump`.
> +:c:func:`print_hex_dump`, especially since dupplicated lines can be

                                              duplicated

> +skipped automatically to reduce the overhead with the
> +``DUMP_FLAG_SKIP_IDENTICAL_LINES`` flag.
>  
>  MAC/FDDI addresses
>  ------------------

-- 
~Randy