Re: [PATCH v3 3/3] kunit: add coverage_uml.config to enable GCOV on UML

From: Brendan Higgins
Date: Wed Jul 06 2022 - 16:38:58 EST


On Mon, Jun 27, 2022 at 6:15 PM 'Daniel Latypov' via KUnit Development
<kunit-dev@xxxxxxxxxxxxxxxx> wrote:
>
> Now that kunit.py's --kunitconfig is repeatable, let's create a file to
> hold the various options needed to enable coverage under UML.
>
> This can be used like so:
> $ ./tools/testing/kunit/kunit.py run \
> --kunitconfig=tools/testing/kunit/configs/all_tests_uml.config \
> --kunitconfig=tools/testing/kunit/configs/coverage_uml.config \
> --make_options=CC=/usr/bin/gcc-6
>
> which on my system is enough to get coverage working [1].
>
> This is still a clunky command, but far better than before.
>
> [1] at the time of this commit, I get:
> Overall coverage rate:
> lines......: 11.6% (34112 of 295033 lines)
> functions..: 15.3% (3721 of 24368 functions)
>
> Signed-off-by: Daniel Latypov <dlatypov@xxxxxxxxxx>
> Reviewed-by: David Gow <davidgow@xxxxxxxxxx>

Reviewed-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>