[Intel-gfx] [PATCH i-g-t 0/4] Move imported bo pread/pwrite tests

Daniele Ceraolo Spurio daniele.ceraolospurio at intel.com
Fri Oct 13 16:42:17 UTC 2017



On 12/10/17 15:39, Chris Wilson wrote:
> Quoting Daniele Ceraolo Spurio (2017-10-12 23:30:40)
>> We already had coverage in prime_vgem.c, but since we're testing
>> pread/pwrite ioctl it makes more sense to have it in the corresponding
>> test binaries
> 
> Redundancy is not an issue (sometimes it is a virtue, the slight
> variations in test setup lead to wider coverage and serendipity - when we
> don't have a fuzzer, we have to rely on random variations between
> authors). The purpose of each test is different, one is testing prime and
> interactions with i915 on/from a foreign bo; the other looking at
> pwrite/pread in depth. Each subtest is meaningful as part of the
> encompassing test.
> 
> The counter proposal is to be able to select a cross-selection of
> subtests for a given set of tags/functions/code. And we still need a
> fuzzer, model based or not.
> -Chris
> 

Would it be ok to just drop patch 4/4 and rephrase the commit messages? 
There is some extra redundancy compared to before as I've added 
read/write checks to pread/pwrite but that shouldn't hurt IMHO and I'd 
prefer to keep it.

Thanks,
Daniele


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