On Wed, May 18, 2022 at 03:32PM +0800, 'David Gow' via KUnit Development wrote: > Add a new QEMU config for kunit_tool, x86_64-smp, which provides an > 8-cpu SMP setup. No other kunit_tool configurations provide an SMP > setup, so this is the best bet for testing things like KCSAN, which > require a multicore/multi-cpu system. > > The choice of 8 CPUs is pretty arbitrary: it's enough to get tests like > KCSAN to run with a nontrivial number of worker threads, while still > working relatively quickly on older machines. > > Signed-off-by: David Gow <davidgow@xxxxxxxxxx> Acked-by: Marco Elver <elver@xxxxxxxxxx> > --- > > This is based off the discussion in: > https://groups.google.com/g/kasan-dev/c/A7XzC2pXRC8 > > --- > tools/testing/kunit/qemu_configs/x86_64-smp.py | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > create mode 100644 tools/testing/kunit/qemu_configs/x86_64-smp.py > > diff --git a/tools/testing/kunit/qemu_configs/x86_64-smp.py b/tools/testing/kunit/qemu_configs/x86_64-smp.py > new file mode 100644 > index 000000000000..a95623f5f8b7 > --- /dev/null > +++ b/tools/testing/kunit/qemu_configs/x86_64-smp.py > @@ -0,0 +1,13 @@ > +# SPDX-License-Identifier: GPL-2.0 > +from ..qemu_config import QemuArchParams > + > +QEMU_ARCH = QemuArchParams(linux_arch='x86_64', > + kconfig=''' > +CONFIG_SERIAL_8250=y > +CONFIG_SERIAL_8250_CONSOLE=y > +CONFIG_SMP=y > + ''', > + qemu_arch='x86_64', > + kernel_path='arch/x86/boot/bzImage', > + kernel_command_line='console=ttyS0', > + extra_qemu_params=['-smp', '8']) > -- > 2.36.0.550.gb090851708-goog > > -- > You received this message because you are subscribed to the Google Groups "KUnit Development" group. > To unsubscribe from this group and stop receiving emails from it, send an email to kunit-dev+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/kunit-dev/20220518073232.526443-1-davidgow%40google.com.