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tests/avocado: retire the Aarch64 TCG tests from boot_linux.py

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The two TCG tests for GICv2 and GICv3 are very heavy weight distros
that take a long time to boot up, especially for an --enable-debug
build. The total code coverage they give is:

  Overall coverage rate:
    lines......: 11.2% (59584 of 530123 lines)
    functions..: 15.0% (7436 of 49443 functions)
    branches...: 6.3% (19273 of 303933 branches)

We already get pretty close to that with the machine_aarch64_virt
tests which only does one full boot (~120s vs ~600s) of alpine. We
expand the kernel+initrd boot (~8s) to test both GICs and also add an
RNG device and a block device to generate a few IRQs and exercise the
storage layer. With that we get to a coverage of:

  Overall coverage rate:
    lines......: 11.0% (58121 of 530123 lines)
    functions..: 14.9% (7343 of 49443 functions)
    branches...: 6.0% (18269 of 303933 branches)

which I feel is close enough given the massive time saving. If we want
to target any more sub-systems we can use lighter weight more directed
tests.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230203181632.2919715-1-alex.bennee@linaro.org
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alex Bennée 2023-02-03 18:16:32 +00:00 • committed by Peter Maydell
parent 165876f22c
commit dbba45e6aa
2 changed files with 65 additions and 46 deletions
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48
tests/avocado/boot_linux.py
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@ -58,52 +58,16 @@ class BootLinuxX8664(LinuxTest):
self.launch_and_wait(set_up_ssh_connection=False)
# For Aarch64 we only boot KVM tests in CI as the TCG tests are very
# heavyweight. There are lighter weight distros which we use in the
# machine_aarch64_virt.py tests.
# For Aarch64 we only boot KVM tests in CI as booting the current
# Fedora OS in TCG tests is very heavyweight. There are lighter weight
# distros which we use in the machine_aarch64_virt.py tests.
class BootLinuxAarch64(LinuxTest):
"""
:avocado: tags=arch:aarch64
:avocado: tags=machine:virt
:avocado: tags=machine:gic-version=2
"""
timeout = 720
def add_common_args(self):
self.vm.add_args('-bios',
os.path.join(BUILD_DIR, 'pc-bios',
'edk2-aarch64-code.fd'))
self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0')
self.vm.add_args('-object', 'rng-random,id=rng0,filename=/dev/urandom')
@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
def test_fedora_cloud_tcg_gicv2(self):
"""
:avocado: tags=accel:tcg
:avocado: tags=cpu:max
:avocado: tags=device:gicv2
"""
self.require_accelerator("tcg")
self.vm.add_args("-accel", "tcg")
self.vm.add_args("-cpu", "max,lpa2=off")
self.vm.add_args("-machine", "virt,gic-version=2")
self.add_common_args()
self.launch_and_wait(set_up_ssh_connection=False)
@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
def test_fedora_cloud_tcg_gicv3(self):
"""
:avocado: tags=accel:tcg
:avocado: tags=cpu:max
:avocado: tags=device:gicv3
"""
self.require_accelerator("tcg")
self.vm.add_args("-accel", "tcg")
self.vm.add_args("-cpu", "max,lpa2=off")
self.vm.add_args("-machine", "virt,gic-version=3")
self.add_common_args()
self.launch_and_wait(set_up_ssh_connection=False)
def test_virt_kvm(self):
"""
:avocado: tags=accel:kvm
@ -112,7 +76,11 @@ class BootLinuxAarch64(LinuxTest):
self.require_accelerator("kvm")
self.vm.add_args("-accel", "kvm")
self.vm.add_args("-machine", "virt,gic-version=host")
self.add_common_args()
self.vm.add_args('-bios',
os.path.join(BUILD_DIR, 'pc-bios',
'edk2-aarch64-code.fd'))
self.vm.add_args('-device', 'virtio-rng-pci,rng=rng0')
self.vm.add_args('-object', 'rng-random,id=rng0,filename=/dev/urandom')
self.launch_and_wait(set_up_ssh_connection=False)