@@ -2973,6 +2973,7 @@ F: include/sysemu/replay.h
F: docs/replay.txt
F: stubs/replay.c
F: tests/acceptance/replay_kernel.py
+F: tests/acceptance/replay_linux.py
F: tests/acceptance/reverse_debugging.py
F: qapi/replay.json
new file mode 100644
@@ -0,0 +1,116 @@
+# 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.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):
+ super(ReplayLinux, self).setUp()
+ self.boot_path = self.download_boot()
+ self.cloudinit_path = self.prepare_cloudinit()
+
+ 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):
+ vm = self.get_vm()
+ vm.add_args('-smp', '1')
+ vm.add_args('-m', '1024')
+ vm.add_args('-object', 'filter-replay,id=replay,netdev=hub0port0')
+ 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:
+ cloudinit.wait_for_phone_home(('0.0.0.0', self.phone_home_port),
+ self.name)
+ 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)