Re: [PATCH v2] kcsan: test: Add a .kunitconfig to run KCSAN tests

From: Daniel Latypov
Date: Fri Jul 15 2022 - 12:09:20 EST


On Thu, Jul 14, 2022 at 11:41 PM 'David Gow' via KUnit Development
<kunit-dev@xxxxxxxxxxxxxxxx> wrote:
>
> Add a .kunitconfig file, which provides a default, working config for
> running the KCSAN tests. Note that it needs to run on an SMP machine, so
> to run under kunit_tool, the --qemu_args option should be used (on a
> supported architecture, like x86_64). For example:
> ./tools/testing/kunit/kunit.py run --arch=x86_64 --qemu_args='-smp 8'
> --kunitconfig=kernel/kcsan
>
> Signed-off-by: David Gow <davidgow@xxxxxxxxxx>
> Reviewed-by: Marco Elver <elver@xxxxxxxxxx>
> Acked-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>

Tested-by: Daniel Latypov <dlatypov@xxxxxxxxxx>

Ran it and everything worked as expected.
[16:06:34] Testing complete. Ran 141 tests: passed: 140, skipped: 1
[16:06:34] Elapsed time: 70.861s total, 0.002s configuring, 3.519s
building, 67.276s running

Ran again with --kconfig_add=CONFIG_KCSAN_STRICT=y
[16:08:29] Testing complete. Ran 141 tests: passed: 141
[16:08:29] Elapsed time: 83.355s total, 1.557s configuring, 24.188s
building, 57.582s running