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Re: [PATCH] docs/misra: Add instructions for cppcheck


  • To: Julien Grall <julien@xxxxxxx>
  • From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
  • Date: Fri, 24 Jun 2022 12:26:32 +0000
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  • Cc: Luca Fancellu <Luca.Fancellu@xxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Chen <Wei.Chen@xxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
  • Delivery-date: Fri, 24 Jun 2022 12:26:54 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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  • Thread-topic: [PATCH] docs/misra: Add instructions for cppcheck

Hi,

> On 24 Jun 2022, at 13:22, Julien Grall <julien@xxxxxxx> wrote:
> 
> On 24/06/2022 13:18, Bertrand Marquis wrote:
>> Hi Julien,
> 
> Hi Bertrand,
> 
>>> On 24 Jun 2022, at 13:08, Julien Grall <julien@xxxxxxx> wrote:
>>> 
>>> 
>>> 
>>> On 24/06/2022 12:40, Bertrand Marquis wrote:
>>>> Hi Julien,
>>> 
>>> Hi Bertrand,
>>> 
>>>>> On 24 Jun 2022, at 12:20, Julien Grall <julien@xxxxxxx> wrote:
>>>>> 
>>>>> Hi Luca,
>>>>> 
>>>>> On 24/06/2022 11:53, Luca Fancellu wrote:
>>>>>> Add instructions on how to build cppcheck, the version currently used
>>>>>> and an example to use the cppcheck integration to run the analysis on
>>>>>> the Xen codebase
>>>>>> Signed-off-by: Luca Fancellu <luca.fancellu@xxxxxxx>
>>>>>> ---
>>>>>> docs/misra/cppcheck.txt | 66 +++++++++++++++++++++++++++++++++++++++++
>>>>>> 1 file changed, 66 insertions(+)
>>>>>> create mode 100644 docs/misra/cppcheck.txt
>>>>>> diff --git a/docs/misra/cppcheck.txt b/docs/misra/cppcheck.txt
>>>>>> new file mode 100644
>>>>>> index 000000000000..4df0488794aa
>>>>>> --- /dev/null
>>>>>> +++ b/docs/misra/cppcheck.txt
>>>>>> @@ -0,0 +1,66 @@
>>>>>> +Cppcheck for Xen static and MISRA analysis
>>>>>> +==========================================
>>>>>> +
>>>>>> +Xen can be analysed for both static analysis problems and MISRA 
>>>>>> violation using
>>>>>> +cppcheck, the open source tool allows the creation of a report with all 
>>>>>> the
>>>>>> +findings. Xen has introduced the support in the Makefile so it's very 
>>>>>> easy to
>>>>>> +use and in this document we can see how.
>>>>>> +
>>>>>> +First recommendation is to use exactly the same version in this page 
>>>>>> and provide
>>>>>> +the same option to the build system, so that every Xen developer can 
>>>>>> reproduce
>>>>>> +the same findings.
>>>>> 
>>>>> I am not sure I agree. I think it is good that each developper use their 
>>>>> own version (so long it is supported), so they may be able to find issues 
>>>>> that may not appear with 2.7.
>>>> Right now the reality is not that great:
>>>> - 2.8 version of cppcheck has bugs and Misra checking is not working
>>> 
>>> Can you be more specifics for "bugs". Is it Xen specific?
>> No it is not Xen specific (see [1] for more info)
> 
> Thanks for the information. How about writing something like:
> 
> "
> The minimum version required for cppcheck is 2.7. Note that at the time of 
> writing (June 2022), the version 2.8 is known to be broken [1].
> "
> 
> [1] 
> https://sourceforge.net/p/cppcheck/discussion/general/thread/bfc3ab6c41/?limit=25
> 

This up to Luca (as it is his patch) but I am ok with that.

Cheers
Bertrand




 


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