[LTP] [PATCH V2 1/2] ltp: Add the ability to specify the latency constraint

[Daniel Lezcano]

On 15/08/2017 13:06, Cyril Hrubis wrote:
> Hi!
>>> And even if only subset of them fails I would still consider changing
>>> the timer library rather than individual testcases.
>>
>> Yes, that make sense.
>>
>> Do you want keep the latency option for future use?
> 
> I tend not to add anything just in case that we may need it later in
> order to keep the test library as small as possible, it's complex enough
> even as it is. Moreover we can always add it easily when we find a test
> that requires it.

Setting the latency to zero in tst_timer_start(), if the opening of the
/dev/cpu_dma_latency file fails, we continue but issue a warning with 	

	tst_resm(TWARN,
		"Failed to open '/dev/cpu_dma_latency': %s',
		strerror(errno));

is ok ?

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