From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Willy Tarreau <w@1wt.eu>,
dwarves@vger.kernel.org, Alan Maguire <alan.maguire@oracle.com>,
Jiri Olsa <jolsa@kernel.org>,
Clark Williams <williams@redhat.com>,
Kate Carcia <kcarcia@redhat.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>
Subject: Re: [PATCH 0/2] --padding option to combine with --with_flexible_array
Date: Fri, 27 Sep 2024 16:39:37 -0300 [thread overview]
Message-ID: <ZvcJ-REjrrUfImcZ@x1> (raw)
In-Reply-To: <b1bbd9c1-d9f7-4305-b107-f4dc3f9827a9@embeddedor.com>
On Fri, Sep 27, 2024 at 09:22:46PM +0200, Gustavo A. R. Silva wrote:
> On 27/09/24 20:59, Arnaldo Carvalho de Melo wrote:
> > From: Arnaldo Carvalho de Melo <acme@redhat.com>
> >
> > Hi,
> >
> > This implements --padding, that combined with the already
> > available --with_flexible_array option may catch some questionable
> > structs.
> >
> > This comes from a quick discussion I had with Willy Tareau after
> > Gustavo's talk at this year's Kernel Recipes.
>
> Nice. :)
>
> I think it'd be interesting to take a look at the output of the
> following command:
>
> $ pahole --padding_ge 1 --with_flexible_array
acme@x1:~$ pahole --padding_ge 1 --with_flexible_array > pahole--padding_ge_1_--with_flexible_array.`uname -r`.txt
acme@x1:~$ ls -lart pahole--padding_ge_1_--with_flexible_array.6.10.10-200.fc40.x86_64.txt
-rw-r--r--. 1 acme acme 172848 Sep 27 16:36 pahole--padding_ge_1_--with_flexible_array.6.10.10-200.fc40.x86_64.txt
acme@x1:~$
It is at http://vger.kernel.org/~acme/pahole--padding_ge_1_--with_flexible_array.6.10.10-200.fc40.x86_64.txt
> Acked-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Thanks!
- Arnaldo
next prev parent reply other threads:[~2024-09-27 19:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-27 18:59 [PATCH 0/2] --padding option to combine with --with_flexible_array Arnaldo Carvalho de Melo
2024-09-27 18:59 ` [PATCH 1/2] pahole: Add --padding_ge N to show only structs with at least N bytes of padding at its end Arnaldo Carvalho de Melo
2024-09-27 18:59 ` [PATCH 2/2] pahole: Add --padding N to show only structs with " Arnaldo Carvalho de Melo
2024-09-27 19:22 ` [PATCH 0/2] --padding option to combine with --with_flexible_array Gustavo A. R. Silva
2024-09-27 19:39 ` Arnaldo Carvalho de Melo [this message]
2024-09-27 20:08 ` Gustavo A. R. Silva
2024-09-27 21:15 ` Willy Tarreau
2024-09-28 4:36 ` Willy Tarreau
2024-09-30 14:32 ` Arnaldo Carvalho de Melo
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