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List:       freedesktop-intel-gfx
Subject:    Re: [Intel-gfx] [PATCH] drm/i915: Add option to list load failure checkpoints
From:       Chris Wilson <chris () chris-wilson ! co ! uk>
Date:       2018-01-31 20:48:42
Message-ID: 151743172261.13929.10746627298411377160 () mail ! alporthouse ! com
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Quoting Michal Wajdeczko (2018-01-31 18:23:47)
> Our inject_load_failure functionality allows to insert one
> failure during driver load, but it is hard to guess which
> number should passed as modparam to select specific checkpoint.
> 
> Use negative number as option to list all available failure
> checkpoints without triggering any failure.

Hmm, it was only intended for use with the coupled igt test. Mind
expanding upon the use case you have? Could you not use that iterative
search for finding the injection value you want for repeated runs? For
the bisect case, do you not want to keep it iterating over all in case
the value changes? How stable do you want the modparam?
-Chris
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