Re: [RFC PATCH] tests/qemu-iotests: serialise all the qemu-iotests

["Alex Bennée" <alex.bennee@linaro.org>]

Daniel P. Berrangé <berrange@redhat.com> writes:

> On Tue, Mar 21, 2023 at 11:51:02PM +0000, Alex Bennée wrote:
>> Something on OpenBSD fails with multiple tests running at once and
>> fiddling with J=1 on invocation just made everything else very slow.
>> 
>> Based-on: 20230318114644.1340899-1-alex.bennee@linaro.org
>> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
>> Cc: Daniel P. Berrangé <berrange@redhat.com>
>> ---
>>  tests/qemu-iotests/meson.build | 1 +
>>  1 file changed, 1 insertion(+)
>> 
>> diff --git a/tests/qemu-iotests/meson.build b/tests/qemu-iotests/meson.build
>> index a162f683ef..d572205a60 100644
>> --- a/tests/qemu-iotests/meson.build
>> +++ b/tests/qemu-iotests/meson.build
>> @@ -64,6 +64,7 @@ foreach format, speed: qemu_iotests_formats
>>             depends: qemu_iotests_binaries,
>>             env: qemu_iotests_env,
>>             protocol: 'tap',
>> +           is_parallel : false,
>>             timeout: 180,
>>             suite: suites)
>>    endforeach
>
> This will be a massive regression for all platforms though.
>
> The iotests run a few 100 tests. Previously the iotests harness was
> serialized against all other QEMU tests, but the individual iotests
> were all parallelized.
>
> With this proposed change all 100 individual iotests are serialized,
> both with each other, and with all other QEMU tests.

What about Phillipe's suggestion of doing it just for openbsd?

>
> With regards,
> Daniel


-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro