linux-kernel - Re: [PATCH V4] perf test: Allow tolerance for leader sampling test

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Message-ID: <c7b9977e-1088-40a5-8f34-26b1705338b8@linux.ibm.com>
Date: Fri, 16 May 2025 07:09:35 +0200
From: Thomas Richter <tmricht@...ux.ibm.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
        Chun-Tse Shao <ctshao@...gle.com>
Cc: linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-perf-users@...r.kernel.org, namhyung@...nel.org,
        agordeev@...ux.ibm.com, gor@...ux.ibm.com, sumanthk@...ux.ibm.com,
        hca@...ux.ibm.com, irogers@...gle.com
Subject: Re: [PATCH V4] perf test: Allow tolerance for leader sampling test

On 5/15/25 17:53, Arnaldo Carvalho de Melo wrote:
> On Fri, May 02, 2025 at 04:11:55PM -0300, Arnaldo Carvalho de Melo wrote:
>> On Fri, May 02, 2025 at 11:21:07AM -0700, Chun-Tse Shao wrote:
>>> Hi Arnaldo,
>>>
>>> I submitted the patch v1 and Thomas helped me to modify and submit v2
>>> and v3 while I was OOO. In this case I am not sure which one should be
>>> the author, maybe just keep it as Thomas.
>>
>> >From the tags provided, I think it would be best to list you as the
>> author and Thomas a a Co-developer, like mentioned in:
>>
>> Documentation/process/submitting-patches.rst
>>
>> Co-developed-by: states that the patch was co-created by multiple developers;
>> it is used to give attribution to co-authors (in addition to the author
>> attributed by the From: tag) when several people work on a single patch.  Since
>> Co-developed-by: denotes authorship, every Co-developed-by: must be immediately
>> followed by a Signed-off-by: of the associated co-author.  Standard sign-off
>> procedure applies, i.e. the ordering of Signed-off-by: tags should reflect the
>> chronological history of the patch insofar as possible, regardless of whether
>> the author is attributed via From: or Co-developed-by:.  Notably, the last
>> Signed-off-by: must always be that of the developer submitting the patch.
>>
>> Note, the From: tag is optional when the From: author is also the person (and
>> email) listed in the From: line of the email header.
>>
>> Example of a patch submitted by the From: author::
>>
>>         <changelog>
>>
>>         Co-developed-by: First Co-Author <first@...uthor.example.org>
>>         Signed-off-by: First Co-Author <first@...uthor.example.org>
>>         Co-developed-by: Second Co-Author <second@...uthor.example.org>
>>         Signed-off-by: Second Co-Author <second@...uthor.example.org>
>>         Signed-off-by: From Author <from@...hor.example.org>
>>
>> Example of a patch submitted by a Co-developed-by: author::
>>
>>         From: From Author <from@...hor.example.org>
>>
>>         <changelog>
>>
>>         Co-developed-by: Random Co-Author <random@...uthor.example.org>
>>         Signed-off-by: Random Co-Author <random@...uthor.example.org>
>>         Signed-off-by: From Author <from@...hor.example.org>
>>         Co-developed-by: Submitting Co-Author <sub@...uthor.example.org>
>>         Signed-off-by: Submitting Co-Author <sub@...uthor.example.org>
> 
> I was expecting some reaction from you or Thomas, but since I got a ping
> from Thomas for this not being processed, I'll process it according to
> my assessment of this thread.
> 
> Thanks,
> 
> - Arnaldo
> 
> 

Thanks Arnaldo,

sorry, but I was not aware that you were waiting for feedback from us.
I am fine with your assessment, I actually care more about the patch
being picked...

-- 
Thomas Richter, Dept 3303, IBM s390 Linux Development, Boeblingen, Germany
--
IBM Deutschland Research & Development GmbH

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