tests/acceptance/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
   7 import os
   8 import socket
   9
  10 from avocado_qemu import Test
  11 from avocado_qemu import wait_for_console_pattern
  12 from avocado_qemu import exec_command
  13 from avocado_qemu import exec_command_and_wait_for_pattern
  14
  15 class Multiprocess(Test):
  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)