Re: [Qemu-devel] [PATCH v2 7/7] Acceptance Tests: change the handling of tests for specific archs

[Cleber Rosa <crosa@redhat.com>]

On 10/10/18 6:50 AM, Philippe Mathieu-Daudé wrote:
> On 10/10/2018 01:26, Cleber Rosa wrote:
>> With the introduction of a variants file that can run the same
>> tests on various architectures, it makes sense to make most tests
>> to be reusable on those environments.  The exception should be
>> when a test is really testing a specific architecture feature.
>>
>> With the change proposed here, on a command line such as:
>>
>>   $ avocado run \
>>      --json-variants-load=tests/acceptance/variants/arch.json \
>>      -- tests/acceptance/
>>
>> The boot_linux_console.py tests will appear as "CANCELED: Currently
>> specific to the x86_64 arch", which is as a good thing when compared
>> to being ignored by tags because:
>>
>>  * The architecture specific parts can be addressed
>>  * It will be run on the matching architecture (as opposed to always
>>    being filtered out by the tags mechanism)
>>  * CANCELED tests do no influence negatively the overall job results,
>>    they're not considered an error or failure
>>
>> Signed-off-by: Cleber Rosa <crosa@redhat.com>
>> ---
>>  tests/acceptance/boot_linux_console.py | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/tests/acceptance/boot_linux_console.py b/tests/acceptance/boot_linux_console.py
>> index 58032f971c..ba3ac036da 100644
>> --- a/tests/acceptance/boot_linux_console.py
>> +++ b/tests/acceptance/boot_linux_console.py
>> @@ -19,12 +19,13 @@ class BootLinuxConsole(Test):
>>      and the kernel command line is properly passed from QEMU to the kernel
>>  
>>      :avocado: enable
>> -    :avocado: tags=x86_64
>>      """
>>  
>>      timeout = 60
>>  
>>      def test(self):
>> +        if self.arch != 'x86_64':
>> +            self.cancel('Currently specific to the x86_64 target arch')
>>          kernel_url = ('https://mirrors.kernel.org/fedora/releases/28/'
>>                        'Everything/x86_64/os/images/pxeboot/vmlinuz')
>>          kernel_hash = '238e083e114c48200f80d889f7e32eeb2793e02a'
>>
> 
> For some reason this test run quicker on a aarch64 host than my x86 laptop:
> 
> ThunderX 88XX (aarch64 Little Endian):
> 
>  (05/30)
> tests/acceptance/boot_linux_console.py:BootLinuxConsole.test;x86_64:
> PASS (12.88 s)
> 
> Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz:
> 
>  (05/30)
> tests/acceptance/boot_linux_console.py:BootLinuxConsole.test;x86_64:
> PASS (31.13 s)
> 

The only reason I can think of is faster networking on the aarch64
machine.  Are those numbers more or less the same on subsequent runs?

Thanks for testing it!
- Cleber.

> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
>