[dpdk-dev] [PATCH] devtools: give some hints for ABI errors

[Kinsella, Ray]

On 08/07/2020 14:45, Aaron Conole wrote:
> "Kinsella, Ray" <mdr at ashroe.eu> writes:
> 
>> + Aaron
>>
>> On 08/07/2020 11:22, David Marchand wrote:
>>> abidiff can provide some more information about the ABI difference it
>>> detected.
>>> In all cases, a discussion on the mailing must happen but we can give
>>> some hints to know if this is a problem with the script calling abidiff,
>>> a potential ABI breakage or an unambiguous ABI breakage.
>>>
>>> Signed-off-by: David Marchand <david.marchand at redhat.com>
>>> ---
>>>  devtools/check-abi.sh | 16 ++++++++++++++--
>>>  1 file changed, 14 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/devtools/check-abi.sh b/devtools/check-abi.sh
>>> index e17fedbd9f..521e2cce7c 100755
>>> --- a/devtools/check-abi.sh
>>> +++ b/devtools/check-abi.sh
>>> @@ -50,10 +50,22 @@ for dump in $(find $refdir -name "*.dump"); do
>>>  		error=1
>>>  		continue
>>>  	fi
>>> -	if ! abidiff $ABIDIFF_OPTIONS $dump $dump2; then
>>> +	abidiff $ABIDIFF_OPTIONS $dump $dump2 || {
>>> +		abiret=$?
>>>  		echo "Error: ABI issue reported for 'abidiff $ABIDIFF_OPTIONS $dump $dump2'"
>>>  		error=1
>>> -	fi
>>> +		echo
>>> +		if [ $(($abiret & 3)) != 0 ]; then
>>> +			echo "ABIDIFF_ERROR|ABIDIFF_USAGE_ERROR, please report this to dev at dpdk.org."
>>> +		fi
>>> +		if [ $(($abiret & 4)) != 0 ]; then
>>> +			echo "ABIDIFF_ABI_CHANGE, this change requires a review (abidiff flagged this as a potential issue)."
>>> +		fi
>>> +		if [ $(($abiret & 8)) != 0 ]; then
>>> +			echo "ABIDIFF_ABI_INCOMPATIBLE_CHANGE, this change breaks the ABI."
>>> +		fi
>>> +		echo
>>> +	}
>>>  done
>>>  
>>>  [ -z "$error" ] || [ -n "$warnonly" ]
>>>
>>
>> This look good to me, my only thought was can we do anything to help the ABI checks play nice with Travis.
>> At the moment it takes time to find the failure reason in the Travis log.
> 
> That's a problem even for non-ABI failures.  I was considering pulling
> the travis log for each failed build and attaching it, but even that
> isn't a great solution (very large emails aren't much easier to search).
> 
> I'm open to suggestions.

For me the problem arises when you log on to the Travis interface,
you need to search for ERROR etc ... there must a better way.

> 
>> Ray K
>