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

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Message-ID: <520A1B5E.8040105@linux.vnet.ibm.com>
Date:	Tue, 13 Aug 2013 17:11:18 +0530
From:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
To:	Mauro Carvalho Chehab <m.chehab@...sung.com>
CC:	Borislav Petkov <bp@...en8.de>, 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,
	Aristeu Rozanski Filho <arozansk@...hat.com>
Subject: Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error trace
 event

On 08/12/2013 08:14 PM, Mauro Carvalho Chehab wrote:
>> 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. Do you have suggestions on how we can do this?
>
> There's already an userspace tool that handes it:
> 	https://git.fedorahosted.org/cgit/rasdaemon.git/
>
> What is missing there on the current version is the bits that would allow
> to translate from APEI way to report an error (memory node, card, module,
> bank, device) into a DIMM label[1].

If I'm reading this right, all APEI data seems to be squashed into a 
string in mc_event. Also, the fru id/text don't seem to be passed to 
user-space.

- Naveen

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