Re: [PATCH] core.5: document the %f and %C core_pattern specifiers

[Oleksandr Natalenko <oleksandr@natalenko.name>]

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On pátek 13. března 2026 20:15:54, středoevropský standardní čas Emanuele Rocca wrote:
> Whilst going through the relevant kernel code in fs/coredump.c, I noticed that
> two core pattern specifiers supported by Linux are missing from man5/core.5.
> Document them now.
> 
> Signed-off-by: Emanuele Rocca <emanuele.rocca@arm.com>
> ---
>  man/man5/core.5 | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/man/man5/core.5 b/man/man5/core.5
> index 8c26aa07e..4da5819b6 100644
> --- a/man/man5/core.5
> +++ b/man/man5/core.5
> @@ -154,6 +154,11 @@ A single % character.
>  %c
>  Core file size soft resource limit of crashing process (since Linux 2.6.24).
>  .TP
> +%C
> +CPU the task ran on
> +.\" commit 8603b6f58637ce196d68f7749633ea81af196d66
> +(since Linux 6.2).
> +.TP

For this part:

Acked-by: Oleksandr Natalenko <oleksandr@natalenko.name>

Thank you.

>  %d
>  .\" Added in git commit 12a2b4b2241e318b4f6df31228e4272d2c2968a1
>  Dump mode\[em]same as value returned by
> @@ -179,6 +184,11 @@ Pathname of executable,
>  with slashes (\[aq]/\[aq]) replaced by exclamation marks (\[aq]!\[aq])
>  (since Linux 3.0).
>  .TP
> +%f
> +Actual filename of executable, which may differ from %e
> +.\" commit f38c85f1ba6902e4e2e2bf1b84edf065a904cdeb
> +(since Linux 5.9).
> +.TP
>  %F
>  PIDFD of dumped process
>  .\" commit b5325b2a270fcaf7b2a9a0f23d422ca8a5a8bdea
> 


-- 
Oleksandr Natalenko, MSE

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