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# Record/replay test that boots a Linux kernel
#
# 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 skipIf
from avocado_qemu import wait_for_console_pattern
from avocado.utils import archive
from avocado.utils import process
from boot_linux_console import LinuxKernelTest
class ReplayKernel(LinuxKernelTest):
"""
Boots a Linux kernel in record mode and checks that the console
is operational and the kernel command line is properly passed
from QEMU to the kernel.
Then replays the same scenario and verifies, that QEMU correctly
terminates.
"""
timeout = 90
KERNEL_COMMON_COMMAND_LINE = 'printk.time=1 panic=-1 '
def run_vm(self, kernel_path, kernel_command_line, console_pattern,
record, shift, args, replay_path):
logger = logging.getLogger('replay')
start_time = time.time()
vm = self.get_vm()
vm.set_console()
if record:
logger.info('recording the execution...')
mode = 'record'
else:
logger.info('replaying the execution...')
mode = 'replay'
vm.add_args('-icount', 'shift=%s,rr=%s,rrfile=%s' %
(shift, mode, replay_path),
'-kernel', kernel_path,
'-append', kernel_command_line,
'-net', 'none',
'-no-reboot')
if args:
vm.add_args(*args)
vm.launch()
self.wait_for_console_pattern(console_pattern, vm)
if record:
vm.shutdown()
logger.info('finished the recording with log size %s bytes'
% os.path.getsize(replay_path))
else:
vm.wait()
logger.info('successfully finished the replay')
elapsed = time.time() - start_time
logger.info('elapsed time %.2f sec' % elapsed)
return elapsed
def run_rr(self, kernel_path, kernel_command_line, console_pattern,
shift=7, args=None):
replay_path = os.path.join(self.workdir, 'replay.bin')
t1 = self.run_vm(kernel_path, kernel_command_line, console_pattern,
True, shift, args, replay_path)
t2 = self.run_vm(kernel_path, kernel_command_line, console_pattern,
False, shift, args, replay_path)
logger = logging.getLogger('replay')
logger.info('replay overhead {:.2%}'.format(t2 / t1 - 1))
@skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
def test_x86_64_pc(self):
"""
:avocado: tags=arch:x86_64
:avocado: tags=machine:pc
"""
kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
'/linux/releases/29/Everything/x86_64/os/images/pxeboot'
'/vmlinuz')
kernel_hash = '23bebd2680757891cf7adedb033532163a792495'
kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
console_pattern = 'VFS: Cannot open root device'
self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
def test_aarch64_virt(self):
"""
:avocado: tags=arch:aarch64
:avocado: tags=machine:virt
:avocado: tags=cpu:cortex-a53
"""
kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
'/linux/releases/29/Everything/aarch64/os/images/pxeboot'
'/vmlinuz')
kernel_hash = '8c73e469fc6ea06a58dc83a628fc695b693b8493'
kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
'console=ttyAMA0')
console_pattern = 'VFS: Cannot open root device'
self.run_rr(kernel_path, kernel_command_line, console_pattern,
args=('-cpu', 'cortex-a53'))
def test_arm_virt(self):
"""
:avocado: tags=arch:arm
:avocado: tags=machine:virt
"""
kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
'/linux/releases/29/Everything/armhfp/os/images/pxeboot'
'/vmlinuz')
kernel_hash = 'e9826d741b4fb04cadba8d4824d1ed3b7fb8b4d4'
kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
'console=ttyAMA0')
console_pattern = 'VFS: Cannot open root device'
self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=1)
def test_arm_cubieboard_initrd(self):
"""
:avocado: tags=arch:arm
:avocado: tags=machine:cubieboard
"""
deb_url = ('https://apt.armbian.com/pool/main/l/'
'linux-4.20.7-sunxi/linux-image-dev-sunxi_5.75_armhf.deb')
deb_hash = '1334c29c44d984ffa05ed10de8c3361f33d78315'
deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
kernel_path = self.extract_from_deb(deb_path,
'/boot/vmlinuz-4.20.7-sunxi')
dtb_path = '/usr/lib/linux-image-dev-sunxi/sun4i-a10-cubieboard.dtb'
dtb_path = self.extract_from_deb(deb_path, dtb_path)
initrd_url = ('https://github.com/groeck/linux-build-test/raw/'
'2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/'
'arm/rootfs-armv5.cpio.gz')
initrd_hash = '2b50f1873e113523967806f4da2afe385462ff9b'
initrd_path_gz = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
initrd_path = os.path.join(self.workdir, 'rootfs.cpio')
archive.gzip_uncompress(initrd_path_gz, initrd_path)
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
'console=ttyS0,115200 '
'usbcore.nousb '
'panic=-1 noreboot')
console_pattern = 'Boot successful.'
self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=1,
args=('-dtb', dtb_path,
'-initrd', initrd_path,
'-no-reboot'))
def test_ppc64_pseries(self):
"""
:avocado: tags=arch:ppc64
:avocado: tags=machine:pseries
"""
kernel_url = ('https://archives.fedoraproject.org/pub/archive'
'/fedora-secondary/releases/29/Everything/ppc64le/os'
'/ppc/ppc64/vmlinuz')
kernel_hash = '3fe04abfc852b66653b8c3c897a59a689270bc77'
kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=hvc0'
# icount is not good enough for PPC64 for complete boot yet
console_pattern = 'Kernel command line: %s' % kernel_command_line
self.run_rr(kernel_path, kernel_command_line, console_pattern)
def test_m68k_q800(self):
"""
:avocado: tags=arch:m68k
:avocado: tags=machine:q800
"""
deb_url = ('https://snapshot.debian.org/archive/debian-ports'
'/20191021T083923Z/pool-m68k/main'
'/l/linux/kernel-image-5.3.0-1-m68k-di_5.3.7-1_m68k.udeb')
deb_hash = '044954bb9be4160a3ce81f8bc1b5e856b75cccd1'
deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
kernel_path = self.extract_from_deb(deb_path,
'/boot/vmlinux-5.3.0-1-m68k')
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
'console=ttyS0 vga=off')
console_pattern = 'No filesystem could mount root'
self.run_rr(kernel_path, kernel_command_line, console_pattern)
def do_test_advcal_2018(self, file_path, kernel_name, args=None):
archive.extract(file_path, self.workdir)
for entry in os.scandir(self.workdir):
if entry.name.startswith('day') and entry.is_dir():
kernel_path = os.path.join(entry.path, kernel_name)
break
kernel_command_line = ''
console_pattern = 'QEMU advent calendar'
self.run_rr(kernel_path, kernel_command_line, console_pattern,
args=args)
def test_arm_vexpressa9(self):
"""
:avocado: tags=arch:arm
:avocado: tags=machine:vexpress-a9
"""
tar_hash = '32b7677ce8b6f1471fb0059865f451169934245b'
tar_url = ('https://www.qemu-advent-calendar.org'
'/2018/download/day16.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
dtb_path = self.workdir + '/day16/vexpress-v2p-ca9.dtb'
self.do_test_advcal_2018(file_path, 'winter.zImage',
args=('-dtb', dtb_path))
def test_m68k_mcf5208evb(self):
"""
:avocado: tags=arch:m68k
:avocado: tags=machine:mcf5208evb
"""
tar_hash = 'ac688fd00561a2b6ce1359f9ff6aa2b98c9a570c'
tar_url = ('https://www.qemu-advent-calendar.org'
'/2018/download/day07.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'sanity-clause.elf')
def test_microblaze_s3adsp1800(self):
"""
:avocado: tags=arch:microblaze
:avocado: tags=machine:petalogix-s3adsp1800
"""
tar_hash = '08bf3e3bfb6b6c7ce1e54ab65d54e189f2caf13f'
tar_url = ('https://www.qemu-advent-calendar.org'
'/2018/download/day17.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'ballerina.bin')
def test_ppc64_e500(self):
"""
:avocado: tags=arch:ppc64
:avocado: tags=machine:ppce500
:avocado: tags=cpu:e5500
"""
tar_hash = '6951d86d644b302898da2fd701739c9406527fe1'
tar_url = ('https://www.qemu-advent-calendar.org'
'/2018/download/day19.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'uImage', ('-cpu', 'e5500'))
def test_ppc_g3beige(self):
"""
:avocado: tags=arch:ppc
:avocado: tags=machine:g3beige
"""
tar_hash = 'e0b872a5eb8fdc5bed19bd43ffe863900ebcedfc'
tar_url = ('https://www.qemu-advent-calendar.org'
'/2018/download/day15.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'invaders.elf',
args=('-M', 'graphics=off'))
def test_ppc_mac99(self):
"""
:avocado: tags=arch:ppc
:avocado: tags=machine:mac99
"""
tar_hash = 'e0b872a5eb8fdc5bed19bd43ffe863900ebcedfc'
tar_url = ('https://www.qemu-advent-calendar.org'
'/2018/download/day15.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'invaders.elf',
args=('-M', 'graphics=off'))
def test_sparc_ss20(self):
"""
:avocado: tags=arch:sparc
:avocado: tags=machine:SS-20
"""
tar_hash = 'b18550d5d61c7615d989a06edace051017726a9f'
tar_url = ('https://www.qemu-advent-calendar.org'
'/2018/download/day11.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'zImage.elf')
def test_xtensa_lx60(self):
"""
:avocado: tags=arch:xtensa
:avocado: tags=machine:lx60
:avocado: tags=cpu:dc233c
"""
tar_hash = '49e88d9933742f0164b60839886c9739cb7a0d34'
tar_url = ('https://www.qemu-advent-calendar.org'
'/2018/download/day02.tar.xz')
file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
self.do_test_advcal_2018(file_path, 'santas-sleigh-ride.elf',
args=('-cpu', 'dc233c'))