qemu/tests/avocado/replay_linux.py
Thomas Huth 0fc389fe92 tests/avocado: Do not run tests that require libslirp if it is not available
Some avocado tests blindly assume that QEMU has been compiled with libslirp
enabled and fail badly if it is missing. Add a proper check to cancel the
tests in this case.

Message-Id: <20220824151122.704946-6-thuth@redhat.com>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-08-29 15:28:51 +02:00

194 lines
6.1 KiB
Python

# Record/replay test that boots a complete Linux system via a cloud image
#
# Copyright (c) 2020 ISP RAS
#
# Author:
# Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
#
# This work is licensed under the terms of the GNU GPL, version 2 or
# later. See the COPYING file in the top-level directory.
import os
import logging
import time
from avocado import skipUnless
from avocado_qemu import BUILD_DIR
from avocado.utils import cloudinit
from avocado.utils import network
from avocado.utils import vmimage
from avocado.utils import datadrainer
from avocado.utils.path import find_command
from avocado_qemu import LinuxTest
class ReplayLinux(LinuxTest):
"""
Boots a Linux system, checking for a successful initialization
"""
timeout = 1800
chksum = None
hdd = 'ide-hd'
cd = 'ide-cd'
bus = 'ide'
def setUp(self):
# LinuxTest does many replay-incompatible things, but includes
# useful methods. Do not setup LinuxTest here and just
# call some functions.
super(LinuxTest, self).setUp()
self._set_distro()
self.boot_path = self.download_boot()
self.phone_server = cloudinit.PhoneHomeServer(('0.0.0.0', 0),
self.name)
ssh_pubkey, self.ssh_key = self.set_up_existing_ssh_keys()
self.cloudinit_path = self.prepare_cloudinit(ssh_pubkey)
def vm_add_disk(self, vm, path, id, device):
bus_string = ''
if self.bus:
bus_string = ',bus=%s.%d' % (self.bus, id,)
vm.add_args('-drive', 'file=%s,snapshot,id=disk%s,if=none' % (path, id))
vm.add_args('-drive',
'driver=blkreplay,id=disk%s-rr,if=none,image=disk%s' % (id, id))
vm.add_args('-device',
'%s,drive=disk%s-rr%s' % (device, id, bus_string))
def launch_and_wait(self, record, args, shift):
self.require_netdev('user')
vm = self.get_vm()
vm.add_args('-smp', '1')
vm.add_args('-m', '1024')
vm.add_args('-netdev', 'user,id=vnet,hostfwd=:127.0.0.1:0-:22',
'-device', 'virtio-net,netdev=vnet')
vm.add_args('-object', 'filter-replay,id=replay,netdev=vnet')
if args:
vm.add_args(*args)
self.vm_add_disk(vm, self.boot_path, 0, self.hdd)
self.vm_add_disk(vm, self.cloudinit_path, 1, self.cd)
logger = logging.getLogger('replay')
if record:
logger.info('recording the execution...')
mode = 'record'
else:
logger.info('replaying the execution...')
mode = 'replay'
replay_path = os.path.join(self.workdir, 'replay.bin')
vm.add_args('-icount', 'shift=%s,rr=%s,rrfile=%s' %
(shift, mode, replay_path))
start_time = time.time()
vm.set_console()
vm.launch()
console_drainer = datadrainer.LineLogger(vm.console_socket.fileno(),
logger=self.log.getChild('console'),
stop_check=(lambda : not vm.is_running()))
console_drainer.start()
if record:
while not self.phone_server.instance_phoned_back:
self.phone_server.handle_request()
vm.shutdown()
logger.info('finished the recording with log size %s bytes'
% os.path.getsize(replay_path))
else:
vm.event_wait('SHUTDOWN', self.timeout)
vm.shutdown(True)
logger.info('successfully fihished the replay')
elapsed = time.time() - start_time
logger.info('elapsed time %.2f sec' % elapsed)
return elapsed
def run_rr(self, args=None, shift=7):
t1 = self.launch_and_wait(True, args, shift)
t2 = self.launch_and_wait(False, args, shift)
logger = logging.getLogger('replay')
logger.info('replay overhead {:.2%}'.format(t2 / t1 - 1))
@skipUnless(os.getenv('AVOCADO_TIMEOUT_EXPECTED'), 'Test might timeout')
class ReplayLinuxX8664(ReplayLinux):
"""
:avocado: tags=arch:x86_64
:avocado: tags=accel:tcg
"""
chksum = 'e3c1b309d9203604922d6e255c2c5d098a309c2d46215d8fc026954f3c5c27a0'
def test_pc_i440fx(self):
"""
:avocado: tags=machine:pc
"""
self.run_rr(shift=1)
def test_pc_q35(self):
"""
:avocado: tags=machine:q35
"""
self.run_rr(shift=3)
@skipUnless(os.getenv('AVOCADO_TIMEOUT_EXPECTED'), 'Test might timeout')
class ReplayLinuxX8664Virtio(ReplayLinux):
"""
:avocado: tags=arch:x86_64
:avocado: tags=virtio
:avocado: tags=accel:tcg
"""
hdd = 'virtio-blk-pci'
cd = 'virtio-blk-pci'
bus = None
chksum = 'e3c1b309d9203604922d6e255c2c5d098a309c2d46215d8fc026954f3c5c27a0'
def test_pc_i440fx(self):
"""
:avocado: tags=machine:pc
"""
self.run_rr(shift=1)
def test_pc_q35(self):
"""
:avocado: tags=machine:q35
"""
self.run_rr(shift=3)
@skipUnless(os.getenv('AVOCADO_TIMEOUT_EXPECTED'), 'Test might timeout')
class ReplayLinuxAarch64(ReplayLinux):
"""
:avocado: tags=accel:tcg
:avocado: tags=arch:aarch64
:avocado: tags=machine:virt
:avocado: tags=cpu:max
"""
chksum = '1e18d9c0cf734940c4b5d5ec592facaed2af0ad0329383d5639c997fdf16fe49'
hdd = 'virtio-blk-device'
cd = 'virtio-blk-device'
bus = None
def get_common_args(self):
return ('-bios',
os.path.join(BUILD_DIR, 'pc-bios', 'edk2-aarch64-code.fd'),
"-cpu", "max,lpa2=off",
'-device', 'virtio-rng-pci,rng=rng0',
'-object', 'rng-builtin,id=rng0')
def test_virt_gicv2(self):
"""
:avocado: tags=machine:gic-version=2
"""
self.run_rr(shift=3,
args=(*self.get_common_args(),
"-machine", "virt,gic-version=2"))
def test_virt_gicv3(self):
"""
:avocado: tags=machine:gic-version=3
"""
self.run_rr(shift=3,
args=(*self.get_common_args(),
"-machine", "virt,gic-version=3"))