From: Vinod Koul <vinod.koul@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.jf.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.jf.intel.com>,
linux-kernel@vger.kernel.org,
Viresh Kumar <viresh.kumar@linaro.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 06/10] dmatest: run test via debugfs
Date: Tue, 5 Mar 2013 16:05:25 +0530 [thread overview]
Message-ID: <20130305103525.GB13370@intel.com> (raw)
In-Reply-To: <1362479804.28241.114.camel@smile>
On Tue, Mar 05, 2013 at 12:36:44PM +0200, Andy Shevchenko wrote:
> On Tue, 2013-03-05 at 14:56 +0530, Vinod Koul wrote:
> > On Mon, Mar 04, 2013 at 11:09:30AM +0200, Andy Shevchenko wrote:
> > > @@ -0,0 +1,48 @@
> > > + DMA Test Guide
> > > + ==============
> > > +
> > > + Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > > +
> > > +This small document introduces how to test DMA drivers using dmatest module.
> > > +
> > > + Part 1 - How to build the test module
> > > +
> > > +The menuconfig contains an option that could be found by following path:
> > > + Device Drivers -> DMA Engine support -> DMA Test client
> > > +
> > > +In the configuration file the option called CONFIG_DMATEST. The dmatest could
> > > +be built as module or inside kernel. Let's consider those cases.
> > > +
> > > + Part 2 - When dmatest is built as a module...
> > > +
> > > +After mounting debugfs and loading the module, the /sys/kernel/debug/dmatest
> > > +folder with nodes will be created. They are the same as module parameters with
> > > +addition of the 'run' node that controls run and stop phases of the test.
> > > +
> > > +Note that in this case test will not run on load automatically.
> > > +
> > > +Example of usage:
> > > + % echo dma0chan0 > /sys/kernel/debug/dmatest/channel
> > > + % echo 2000 > /sys/kernel/debug/dmatest/timeout
> > > + % echo 1 > /sys/kernel/debug/dmatest/iterations
> > > + % echo 1 > /sys/kernel/debug/dmatest/run
> > How do you terminate a test? Esp if you have started bunch of concurent tests
> > and want to terminate one of them...
>
> There is only one test in progress is possible.
Wasnt the idea to run concurrent tests, or I read wrongly...
--
~Vinod
next prev parent reply other threads:[~2013-03-05 11:00 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-04 9:09 [PATCH 00/10] dmatest: update the module to use debugfs Andy Shevchenko
2013-03-04 9:09 ` [PATCH 01/10] dmatest: cancel thread immediately when asked for Andy Shevchenko
2013-03-05 1:41 ` Viresh Kumar
2013-03-04 9:09 ` [PATCH 02/10] dmatest: allocate memory for pq_coefs from heap Andy Shevchenko
2013-03-05 1:43 ` Viresh Kumar
2013-03-04 9:09 ` [PATCH 03/10] dmatest: create dmatest_info to keep test parameters Andy Shevchenko
2013-03-05 1:47 ` Viresh Kumar
2013-03-04 9:09 ` [PATCH 04/10] dmatest: move dmatest_channels and nr_channels to dmatest_info Andy Shevchenko
2013-03-05 9:03 ` Vinod Koul
2013-03-05 9:12 ` Viresh Kumar
2013-03-05 9:19 ` Andy Shevchenko
2013-03-04 9:09 ` [PATCH 05/10] dmatest: split test parameters to separate structure Andy Shevchenko
2013-03-05 9:16 ` Viresh Kumar
2013-03-08 13:07 ` Andy Shevchenko
2013-03-04 9:09 ` [PATCH 06/10] dmatest: run test via debugfs Andy Shevchenko
2013-03-05 9:26 ` Vinod Koul
2013-03-05 10:36 ` Andy Shevchenko
2013-03-05 10:35 ` Vinod Koul [this message]
[not found] ` <CAHp75Vc6KmPQYjSx5m+gEBCe4g2tRgEPKyg4hZx9ytk99pB7Qw@mail.gmail.com>
[not found] ` <20130307061143.GD13370@intel.com>
2013-03-07 8:37 ` Andy Shevchenko
2013-03-04 9:09 ` [PATCH 07/10] dmatest: return actual state in 'run' file Andy Shevchenko
2013-03-04 9:09 ` [PATCH 08/10] dmatest: define MAX_ERROR_COUNT constant Andy Shevchenko
2013-03-04 9:09 ` [PATCH 09/10] dmatest: gather test results in the linked list Andy Shevchenko
2013-11-05 19:58 ` Dan Williams
2013-11-06 14:13 ` Andy Shevchenko
2013-11-06 18:11 ` Dan Williams
2013-11-07 14:37 ` Andy Shevchenko
2013-03-04 9:09 ` [PATCH 10/10] dmatest: append verify result to results Andy Shevchenko
2013-03-07 6:20 ` [PATCH 00/10] dmatest: update the module to use debugfs Vinod Koul
2013-03-08 13:11 ` Andy Shevchenko
2013-03-10 13:44 ` Viresh Kumar
2013-03-11 8:12 ` Andy Shevchenko
2013-03-21 5:11 ` Vinod Koul
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