Re: [PATCH 3/3] tests/ZZ_hangman: Test both error_state interfaces

[Daniel Vetter <daniel@ffwll.ch>]

On Thu, Jun 27, 2013 at 04:54:44PM +0300, Mika Kuoppala wrote:
> Test both debugfs and sysfs error_state interfaces.
> 
> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
> ---
>  tests/ZZ_hangman |   34 +++++++++++++++++++++-------------
>  1 file changed, 21 insertions(+), 13 deletions(-)
> 
> diff --git a/tests/ZZ_hangman b/tests/ZZ_hangman
> index 08c5514..303dbc7 100755
> --- a/tests/ZZ_hangman
> +++ b/tests/ZZ_hangman
> @@ -18,25 +18,33 @@ if [ ! -f i915_ring_stop ] ; then
>  	exit 77
>  fi
>  
> -if cat i915_error_state | grep -v "no error state collected" > /dev/null ; then
> -	echo "gpu hang dectected"
> +for estate_fname in $i915_dfs_path/i915_error_state $i915_sfs_path/error_state ; do
> +    echo checking ${estate_fname}

On second thought I think we need to auto-skip the sysfs error_state here
if it's not there. Can you please patch this up?

Thanks, Daniel

> +
> +    if cat $estate_fname | grep -v "no error state collected" > /dev/null ; then
> +	echo "gpu hang detected"
>  	exit 1
> -fi
> +    fi
>  
> -# stop rings
> -echo 0xf > i915_ring_stop
> -echo "rings stopped"
> +    echo 0xf > i915_ring_stop
> +    echo "rings stopped"
>  
> -(cd $oldpath; $SOURCE_DIR/gem_exec_big) > /dev/null
> +    (cd $oldpath; $SOURCE_DIR/gem_exec_big) > /dev/null
>  
> -if cat i915_error_state | grep -v "no error state collected" > /dev/null ; then
> -	echo "gpu hang correctly dectected"
> -else
> -	echo "gpu hang not dectected"
> +    if cat $estate_fname | grep -v "no error state collected" > /dev/null ; then
> +	echo "gpu hang correctly detected"
> +    else
> +	echo "gpu hang not detected"
>  	exit 2
> -fi
> +    fi
>  
>  # clear error state
> -echo > i915_error_state
> +    echo > $estate_fname
> +
> +    if cat $estate_fname | grep -v "no error state collected" > /dev/null ; then
> +	echo "gpu hang still present"
> +	exit 3
> +    fi
> +done
>  
>  exit 0
> -- 
> 1.7.9.5
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch