LXR qemu/tests/avocado/multiprocess.py

   1# Test for multiprocess qemu
   2#
   3# This work is licensed under the terms of the GNU GPL, version 2 or
   4# later.  See the COPYING file in the top-level directory.
   5
   6
   7import os
   8import socket
   9
  10from avocado_qemu import QemuSystemTest
  11from avocado_qemu import wait_for_console_pattern
  12from avocado_qemu import exec_command
  13from avocado_qemu import exec_command_and_wait_for_pattern
  14
  15class Multiprocess(QemuSystemTest):
  16    """
  17    :avocado: tags=multiprocess
  18    """
  19    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
  20
  21    def do_test(self, kernel_url, initrd_url, kernel_command_line,
  22                machine_type):
  23        """Main test method"""
  24        self.require_accelerator('kvm')
  25
  26        # Create socketpair to connect proxy and remote processes
  27        proxy_sock, remote_sock = socket.socketpair(socket.AF_UNIX,
  28                                                    socket.SOCK_STREAM)
  29        os.set_inheritable(proxy_sock.fileno(), True)
  30        os.set_inheritable(remote_sock.fileno(), True)
  31
  32        kernel_path = self.fetch_asset(kernel_url)
  33        initrd_path = self.fetch_asset(initrd_url)
  34
  35        # Create remote process
  36        remote_vm = self.get_vm()
  37        remote_vm.add_args('-machine', 'x-remote')
  38        remote_vm.add_args('-nodefaults')
  39        remote_vm.add_args('-device', 'lsi53c895a,id=lsi1')
  40        remote_vm.add_args('-object', 'x-remote-object,id=robj1,'
  41                           'devid=lsi1,fd='+str(remote_sock.fileno()))
  42        remote_vm.launch()
  43
  44        # Create proxy process
  45        self.vm.set_console()
  46        self.vm.add_args('-machine', machine_type)
  47        self.vm.add_args('-accel', 'kvm')
  48        self.vm.add_args('-cpu', 'host')
  49        self.vm.add_args('-object',
  50                         'memory-backend-memfd,id=sysmem-file,size=2G')
  51        self.vm.add_args('--numa', 'node,memdev=sysmem-file')
  52        self.vm.add_args('-m', '2048')
  53        self.vm.add_args('-kernel', kernel_path,
  54                         '-initrd', initrd_path,
  55                         '-append', kernel_command_line)
  56        self.vm.add_args('-device',
  57                         'x-pci-proxy-dev,'
  58                         'id=lsi1,fd='+str(proxy_sock.fileno()))
  59        self.vm.launch()
  60        wait_for_console_pattern(self, 'as init process',
  61                                 'Kernel panic - not syncing')
  62        exec_command(self, 'mount -t sysfs sysfs /sys')
  63        exec_command_and_wait_for_pattern(self,
  64                                          'cat /sys/bus/pci/devices/*/uevent',
  65                                          'PCI_ID=1000:0012')
  66
  67    def test_multiprocess_x86_64(self):
  68        """
  69        :avocado: tags=arch:x86_64
  70        """
  71        kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
  72                      '/linux/releases/31/Everything/x86_64/os/images'
  73                      '/pxeboot/vmlinuz')
  74        initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
  75                      '/linux/releases/31/Everything/x86_64/os/images'
  76                      '/pxeboot/initrd.img')
  77        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
  78                               'console=ttyS0 rdinit=/bin/bash')
  79        machine_type = 'pc'
  80        self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type)
  81
  82    def test_multiprocess_aarch64(self):
  83        """
  84        :avocado: tags=arch:aarch64
  85        """
  86        kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
  87                      '/linux/releases/31/Everything/aarch64/os/images'
  88                      '/pxeboot/vmlinuz')
  89        initrd_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
  90                      '/linux/releases/31/Everything/aarch64/os/images'
  91                      '/pxeboot/initrd.img')
  92        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
  93                               'rdinit=/bin/bash console=ttyAMA0')
  94        machine_type = 'virt,gic-version=3'
  95        self.do_test(kernel_url, initrd_url, kernel_command_line, machine_type)
  96