qemu/tests/acceptance/multiprocess.py

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# Test for multiprocess qemu
#
# 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 socket
from avocado_qemu import Test
from avocado_qemu import wait_for_console_pattern
from avocado_qemu import exec_command
from avocado_qemu import exec_command_and_wait_for_pattern
class Multiprocess(Test):
"""
:avocado: tags=multiprocess
"""
KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
def do_test(self, kernel_url, initrd_url, kernel_command_line,
machine_type):
"""Main test method"""
self.require_accelerator('kvm')
# Create socketpair to connect proxy and remote processes
proxy_sock, remote_sock = socket.socketpair(socket.AF_UNIX,
socket.SOCK_STREAM)
os.set_inheritable(proxy_sock.fileno(), True)
os.set_inheritable(remote_sock.fileno(), True)
kernel_path = self.fetch_asset(kernel_url)
initrd_path = self.fetch_asset(initrd_url)
# Create remote process
remote_vm = self.get_vm()
remote_vm.add_args('-machine', 'x-remote')
remote_vm.add_args('-nodefaults')
remote_vm.add_args('-device', 'lsi53c895a,id=lsi1')
remote_vm.add_args('-object', 'x-remote-object,id=robj1,'
'devid=lsi1,fd='+str(remote_sock.fileno()))
remote_vm.launch()
# Create proxy process
self.vm.set_console()
self.vm.add_args('-machine', machine_type)
self.vm.add_args('-accel', 'kvm')
self.vm.add_args('-cpu', 'host')
self.vm.add_args('-object',
'memory-backend-memfd,id=sysmem-file,size=2G')
self.vm.add_args('--numa', 'node,memdev=sysmem-file')
self.vm.add_args('-m', '2048')
self.vm.add_args('-kernel', kernel_path,
'-initrd', initrd_path,
'-append', kernel_command_line)
self.vm.add_args('-device',
'x-pci-proxy-dev,'
'id=lsi1,fd='+str(proxy_sock.fileno()))
self.vm.launch()
wait_for_console_pattern(self, 'as init process',
'Kernel panic - not syncing')
exec_command(self, 'mount -t sysfs sysfs /sys')
exec_command_and_wait_for_pattern(self,
'cat /sys/bus/pci/devices/*/uevent',
'PCI_ID=1000:0012')
def test_multiprocess_x86_64(self):
"""
:avocado: tags=arch:x86_64
"""
kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
'/linux/releases/31/Everything/x86_64/os/images'
'/pxeboot/vmlinuz')
initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
'/linux/releases/31/Everything/x86_64/os/images'
'/pxeboot/initrd.img')
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
'console=ttyS0 rdinit=/bin/bash')
machine_type = 'pc'
self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type)
def test_multiprocess_aarch64(self):
"""
:avocado: tags=arch:aarch64
"""
kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
'/linux/releases/31/Everything/aarch64/os/images'
'/pxeboot/vmlinuz')
initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
'/linux/releases/31/Everything/aarch64/os/images'
'/pxeboot/initrd.img')
kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
'rdinit=/bin/bash console=ttyAMA0')
machine_type = 'virt,gic-version=3'
self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type)