linux-kernel - Re: [PATCH v2] Extend core dump note section to contain file names of mapped files

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Message-ID: <20120713155632.GA30239@tassilo.jf.intel.com>
Date:	Fri, 13 Jul 2012 08:56:32 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Denys Vlasenko <vda.linux@...il.com>, linux-kernel@...r.kernel.org,
	"Jonathan M. Foote" <jmfoote@...t.org>,
	"H. J. Lu" <hjl.tools@...il.com>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Jan Kratochvil <jan.kratochvil@...hat.com>
Subject: Re: [PATCH v2] Extend core dump note section to contain file names
 of mapped files

On Fri, Jul 13, 2012 at 04:58:06PM +0200, Oleg Nesterov wrote:
> On 07/12, Denys Vlasenko wrote:
> >
> > This note has the following format:
> >
> > long count     -- how many files are mapped
> > long page_size -- units for file_ofs
> > array of [COUNT] elements of
> >    long start
> >    long end
> >    long file_ofs
> > followed by COUNT filenames in ASCII: "FILE1" NUL "FILE2" NUL...
> 
> All I can say, I believe the patch is correct.

Patch looks good to me too.

> Otherwise I can't comment the patch, I simply do not know what
> people do with the coredumps. But Denys certainly knows, he works
> with the tools which need this info.

More information during debugging is always good.

I assume there will be a gdb patch to dump it?

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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