linux-kernel - Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error trace event

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Message-ID: <20130812125343.GE18018@pd.tnic>
Date:	Mon, 12 Aug 2013 14:53:43 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Cc:	Mauro Carvalho Chehab <m.chehab@...sung.com>, tony.luck@...el.com,
	bhelgaas@...gle.com, rostedt@...dmis.org, rjw@...k.pl,
	lance.ortiz@...com, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error
 trace event

On Mon, Aug 12, 2013 at 06:11:49PM +0530, Naveen N. Rao wrote:
> So, I looked at ghes_edac and it basically seems to boil down to
> trace_mc_event. But, this only seems to expose the APEI data as a
> string and doesn't look to really make all the fields available to
> user-space in a raw manner. Not sure how well this can be utilised
> by a user-space tool.

Well, your tracepoint dumps the decoded memory error too. So all the
information we need is already there, without edac. Or am I missing some
bits?

Thus why I'm saying is that we don't need the additional edac layer.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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