Re: [PATCH i-g-t] tests/initial_state: Add a test to capture the state of the GPU

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I hereby pull-out this patch.
The idea of it was to know if we were already wedged at the beginning of testing, that would give us information on how to interpret silly results; such that test starting to get skipped and/or we got dmesg-warns/incomplete on tests that usually should be skipped.
Also, we are planning to soon deploy a piglit.conf solution where testing will be terminated on wedged, so I agree that my test isn't really needed.

/Marta

> -----Original Message-----
> From: Daniel Vetter [mailto:daniel.vetter@xxxxxxxx] On Behalf Of Daniel
> Vetter
> Sent: Monday, May 15, 2017 5:01 PM
> To: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>; Martin Peres
> <martin.peres@xxxxxxxxxxxxxxx>; Lofstedt, Marta
> <marta.lofstedt@xxxxxxxxx>; intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  [PATCH i-g-t] tests/initial_state: Add a test to capture
> the state of the GPU
> 
> On Fri, May 12, 2017 at 02:17:29PM +0100, Chris Wilson wrote:
> > The ABI for testing whether the device is wedged before use is
> > gem_throttle(). This is encapsulated into igt_require_gem() and any
> > test that depends upon execution on the GPU should be checking for GEM
> first.
> >
> > This test should just be
> > igt_gem_require(drm_open_driver(DRIVER_INTEL));
> 
> Well, how do you expect people to spot your nifty tools and refactorings if
> they don't show up on the m-l, don't get acks or reviews, and don't come
> with api-docs? At least neither gmail nor google did find that patch submitted
> anywhere.
> 
> Marta, can you pls review Chris' patch:
> 
> commit 9518cb59abe35143f15abac2b7ffdb99820ef53c
> Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Date:   Wed Feb 22 15:24:54 2017 +0000
> 
>     igt: Start marking up GEM tests that require an alive GPU to function
> 
> Best would be to check that all gem tests really use this, and then also add abi
> docs for this new helper.
> 
> Also, since we have igt_require_gem() already, what's the value of this
> additional testcase? If we want to reboot machines if the gpu died, then we
> need to have such a test at a higher level, in piglit. What we could do is add a
> special exit code to igt that indicates a runtime problem (and tells piglit to
> reboot), essentially PLEASE_REBOOT instead of SKIP (which is what
> igt_require_gem() results in).
> -Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
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