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

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Date:   Fri, 15 Jul 2022 09:09:03 -0700
From:   Daniel Latypov <dlatypov@...gle.com>
To:     David Gow <davidgow@...gle.com>
Cc:     Brendan Higgins <brendanhiggins@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Dmitry Vyukov <dvyukov@...gle.com>, kunit-dev@...glegroups.com,
        linux-kselftest@...r.kernel.org, kasan-dev@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] kcsan: test: Add a .kunitconfig to run KCSAN tests

On Thu, Jul 14, 2022 at 11:41 PM 'David Gow' via KUnit Development
<kunit-dev@...glegroups.com> 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@...gle.com>
> Reviewed-by: Marco Elver <elver@...gle.com>
> Acked-by: Brendan Higgins <brendanhiggins@...gle.com>

Tested-by: Daniel Latypov <dlatypov@...gle.com>

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