linux-kernel - Re: [PATCH 3/3] kunit: tool: introduce --qemu

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Date:   Wed, 6 Jul 2022 16:11:51 -0400
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     Daniel Latypov <dlatypov@...gle.com>
Cc:     davidgow@...gle.com, elver@...gle.com,
        linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
        kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org,
        skhan@...uxfoundation.org
Subject: Re: [PATCH 3/3] kunit: tool: introduce --qemu_args

On Wed, May 18, 2022 at 1:01 PM Daniel Latypov <dlatypov@...gle.com> wrote:
>
> Example usage:
> $ ./tools/testing/kunit/kunit.py run --arch=x86_64 \
>   --kconfig_add=CONFIG_SMP=y --qemu_args='-smp 8'
>
> Looking in the test.log, one can see
> > smp: Bringing up secondary CPUs ...
> > .... node  #0, CPUs:      #1 #2 #3 #4 #5 #6 #7
> > smp: Brought up 1 node, 8 CPUs
>
> This flag would allow people to make tweaks like this without having to
> create custom qemu_config files.
>
> For consistency with --kernel_args, we allow users to repeat this
> argument, e.g. you can tack on a --qemu_args='-m 2048', or you could
> just append it to the first string ('-smp 8 -m 2048').
>
> Signed-off-by: Daniel Latypov <dlatypov@...gle.com>

Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>