[Intel-gfx] [igt-dev] [PATCH i-g-t] i915/gem_render_copy: Add hang detector

[Ville Syrjälä]

On Mon, Sep 23, 2019 at 10:24:32AM +0100, Chris Wilson wrote:
> Die early if the GPU hangs during our basic render copy testing, and
> clean up rather than waiting for multiple different failing batches
> before detecting our failure.

Seems sensible.

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  tests/i915/gem_render_copy.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/tests/i915/gem_render_copy.c b/tests/i915/gem_render_copy.c
> index b8149483c..261833d24 100644
> --- a/tests/i915/gem_render_copy.c
> +++ b/tests/i915/gem_render_copy.c
> @@ -715,6 +715,8 @@ igt_main_args("da", NULL, help_str, opt_handler, NULL)
>  
>  		data.batch = intel_batchbuffer_alloc(data.bufmgr, data.devid);
>  		igt_assert(data.batch);
> +
> +		igt_fork_hang_detector(data.drm_fd);
>  	}
>  
>  	igt_subtest("linear")
> @@ -745,6 +747,7 @@ igt_main_args("da", NULL, help_str, opt_handler, NULL)
>  		test(&data, I915_TILING_Yf, I915_TILING_Yf);
>  
>  	igt_fixture {
> +		igt_stop_hang_detector();
>  		intel_batchbuffer_free(data.batch);
>  		drm_intel_bufmgr_destroy(data.bufmgr);
>  	}
> -- 
> 2.23.0
> 
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-- 
Ville Syrjälä
Intel