linux-kernel - Re: [PATCH] Documentation: dev-tools: Fix a typo in autofdo documentation

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Message-ID: <CAMuHMdXSNoXjxAbALr7O_dD_btJDGR58XaDa5=bd8NmL50wcaQ@mail.gmail.com>
Date: Tue, 2 Sep 2025 09:13:24 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
Cc: Rong Xu <xur@...gle.com>, Han Shen <shenhan@...gle.com>, Jonathan Corbet <corbet@....net>, 
	workflows@...r.kernel.org, linux-doc@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Documentation: dev-tools: Fix a typo in autofdo documentation

Hi Harshit,

On Mon, 1 Sept 2025 at 17:57, Harshit Mogalapalli
<harshit.m.mogalapalli@...cle.com> wrote:
> Use cat /proc/cpuinfo as opposed cat proc/cpuinfo.
>
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>

Thanks for your patch!

> --- a/Documentation/dev-tools/autofdo.rst
> +++ b/Documentation/dev-tools/autofdo.rst
> @@ -131,11 +131,11 @@ Here is an example workflow for AutoFDO kernel:
>
>       For Zen3::
>
> -      $ cat proc/cpuinfo | grep " brs"
> +      $ cat /proc/cpuinfo | grep " brs"
>
>       For Zen4::
>
> -      $ cat proc/cpuinfo | grep amd_lbr_v2
> +      $ cat /proc/cpuinfo | grep amd_lbr_v2
>
>       The following command generated the perf data file::
>

One might say the path depends on where the proc filesystem is mounted ;-)
However, all other documentation (except for two occurrences in
Documentation/networking/proc_net_tcp.rst, which you may want to fix,
too) assumes /proc, so it is better to be consistent.

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds