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From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Kees Cook <keescook@chromium.org>, Petr Mladek <pmladek@suse.com>,
	Matthew Wilcox <willy@infradead.org>,
	Joe Lawrence <joe.lawrence@redhat.com>,
	Mikulas Patocka <mpatocka@redhat.com>,
	Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	Robin Murphy <robin.murphy@arm.com>,
	Sri Krishna chowdary <schowdary@nvidia.com>,
	Changbin Du <changbin.du@intel.com>
Subject: Re: [PATCH 7/9] genirq/timings: Add selftest for circular array
Date: Mon, 13 May 2019 13:03:03 +0200	[thread overview]
Message-ID: <b32ff71b-8541-e135-11f2-7455ebc2b8c6@linaro.org> (raw)
In-Reply-To: <20190513105027.GQ9224@smile.fi.intel.com>

On 13/05/2019 12:50, Andy Shevchenko wrote:
> On Mon, May 13, 2019 at 12:29:51PM +0200, Daniel Lezcano wrote:
>> Due to the complexity of the code and the difficulty to debug it,
>> let's add some selftests to the framework in order to spot issues or
>> regression at boot time when the runtime testing is enabled for this
>> subsystem.
>>
>> This tests the circular buffer at the limits and validates:
>>  - the encoding / decoding of the values
>>  - the macro to browse the irq timings circular buffer
>>  - the function to push data in the circular buffer
> 
>>  kernel/irq/timings.c | 119 +++++++++++++++++++++++++++++++++++++++++++
> 
> Is it possible to have it in a separate C-file?

It is possible but I would like to keep the selftest in the same file in
order to keep all the structures and functions self-contained.

>> +config TEST_IRQ_TIMINGS
>> +	bool "IRQ timings selftest"
> 
>> +	default n
> 
> This is already default.

Right, thanks for the review.

>> +	depends on IRQ_TIMINGS
>> +	help
>> +	  Enable this option to test the irq timings code on boot.
>> +
>> +	  If unsure, say N.
> 


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  reply	other threads:[~2019-05-13 11:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-13 10:29 [PATCH 0/9] genirq/timings: Fixes and selftests Daniel Lezcano
2019-05-13 10:29 ` [PATCH 1/9] genirq/timings: Fix next event index function Daniel Lezcano
2019-05-13 10:29 ` [PATCH 2/9] genirq/timings: Fix timings buffer inspection Daniel Lezcano
2019-05-13 10:29 ` [PATCH 3/9] genirq/timings: Optimize the period detection speed Daniel Lezcano
2019-05-13 10:29 ` [PATCH 4/9] genirq/timings: Use the min kernel macro Daniel Lezcano
2019-05-13 10:29 ` [PATCH 5/9] genirq/timings: Encapsulate timings push Daniel Lezcano
2019-05-13 10:29 ` [PATCH 6/9] genirq/timings: Encapsulate storing function Daniel Lezcano
2019-05-13 10:29 ` [PATCH 7/9] genirq/timings: Add selftest for circular array Daniel Lezcano
2019-05-13 10:50   ` Andy Shevchenko
2019-05-13 11:03     ` Daniel Lezcano [this message]
2019-05-13 10:29 ` [PATCH 8/9] genirq/timings: Add selftest for irqs circular buffer Daniel Lezcano
2019-05-13 10:29 ` [PATCH 9/9] genirq/timings: Add selftest for next event computation Daniel Lezcano

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