[PATCH v6 02/12] clk: Introduce Kunit Tests for the framework

[Maxime Ripard]

Hi Daniel,

On Wed, Feb 23, 2022 at 02:50:59PM -0800, Daniel Latypov wrote:
> On Wed, Feb 23, 2022 at 2:56 AM Maxime Ripard <maxime at cerno.tech> wrote:
> >
> > Let's test various parts of the rate-related clock API with the kunit
> > testing framework.
> >
> > Cc: kunit-dev at googlegroups.com
> > Suggested-by: Stephen Boyd <sboyd at kernel.org>
> > Signed-off-by: Maxime Ripard <maxime at cerno.tech>
> 
> Tested-by: Daniel Latypov <dlatypov at google.com>
> 
> Looks good to me on the KUnit side.
> Two small nits below.
> 
> FYI, I computed the incremental coverage for this series, i.e.:
> 1) applied the full series
> 2) computed the absolute coverage
> 
> $  ./tools/testing/kunit/kunit.py run  --kunitconfig=drivers/clk
> --make_options=CC=/usr/bin/gcc-6 --kconfig_add=CONFIG_DEBUG_KERNEL=y
> --kconfig_add=CONFIG_DEBUG_INFO=y --kconfig_add=CONFIG_GCOV=y

I built a docker container based on ubuntu 18.04 to have gcc6 and
python3.7, but this doesn't seem to be working, I'm not entirely sure why:

[13:11:22] Configuring KUnit Kernel ...
Regenerating .config ...
Populating config with:
$ make ARCH=um olddefconfig CC=/usr/bin/gcc-6 O=.kunit
ERROR:root:Not all Kconfig options selected in kunitconfig were in the generated .config.
This is probably due to unsatisfied dependencies.
Missing: CONFIG_DEBUG_INFO=y, CONFIG_GCOV=y
Note: many Kconfig options aren't available on UML. You can try running on a different architecture with something like "--arch=x86_64".

Thanks,
Maxime
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