linux-kernel - Re: [PATCHv6 3/3] mmc_test: collect data and show it via sysfs by demand

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Message-ID: <AANLkTik2Tmi1uKp5k=ri454ZfmxKg-tNOZghOn__NCED@mail.gmail.com>
Date:	Wed, 8 Sep 2010 12:14:05 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Chris Ball <cjb@...top.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Hunter Adrian <adrian.hunter@...ia.com>,
	Andy Shevchenko <ext-andriy.shevchenko@...ia.com>
Subject: Re: [PATCHv6 3/3] mmc_test: collect data and show it via sysfs by demand

On Wed, Sep 8, 2010 at 1:58 AM, Chris Ball <cjb@...top.org> wrote:
> Hoping Andy doesn't mind me jumping in, here's an attempt at a better
> changelog:
Thanks. I will take into account this.

> Prior to this patch, the "test" file under each card's sysfs node was
> write-only, and results were obtained by looking at dmesg.  This patch
> improves programmatic access to the test results, making them available
> by reading back from the same "test" file:
>
> [root@...t mmc0:e624]# echo 6 > test
> [root@...t mmc0:e624]# cat test
> Test 6: 2
It even better to get this sample for performance tests as well.

> I think we should do this by modifying the Kconfig text as well:
At least. And add documentation and link to it in Kconfig.

> Separately, Andy, I think we should translate the general result return
> code for the user, i.e. print OK/FAIL/UNSUP_HOST/UNSUP_CARD for return
> values 0-3.  Would you mind adding that?  (Unfortunately, it invalidates
> the usage example I just gave above, so that should change too..)
I thought about it. But for the scripts may be better to keep numeric
value as well.
I will think again hot to implement better.

Thanks.

-- 
With Best Regards,
Andy Shevchenko
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