linux-kernel - Re: [PATCH 09/10] dmatest: gather test results in the linked list

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Message-ID: <CAA9_cmdYr_KMf7UyanX9QAndPoFa4fVW6=QwDJbH6pZExYUcpw@mail.gmail.com>
Date:	Tue, 5 Nov 2013 11:58:58 -0800
From:	Dan Williams <dan.j.williams@...el.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Vinod Koul <vinod.koul@...el.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	dmaengine@...r.kernel.org
Subject: Re: [PATCH 09/10] dmatest: gather test results in the linked list

On Mon, Mar 4, 2013 at 1:09 AM, Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
> The patch provides a storage for the test results in the linked list. The
> gathered data could be used after test is done.
>
> The new file 'results' represents gathered data of the in progress test. The
> messages collected are printed to the kernel log as well.
>
> Example of output:
>         % cat /sys/kernel/debug/dmatest/results
>         dma0chan0-copy0: #1: No errors with src_off=0x7bf dst_off=0x8ad len=0x3fea (0)
>
> The message format is unified across the different types of errors. A number in
> the parens represents additional information, e.g. error code, error counter,
> or status.
>
> Note that the buffer comparison is done in the old way, i.e. data is not
> collected and just printed out.
>

I need to revert this to get my testing done as it just leaks memory
for no real benefit that I can see.  Outside of making the log
messages have a uniform format I'm not seeing the case for this?  I'll
revert and add a pr_fmt to make dmatest messages readily parseable.

--
Dan
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