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# Functional test that hotplugs a CPU and checks it on a Linux guest
#
# Copyright (c) 2021 Red Hat, Inc.
#
# Author:
# Cleber Rosa <crosa@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2 or
# later. See the COPYING file in the top-level directory.
from avocado_qemu import LinuxTest
class HotPlugCPU(LinuxTest):
def test(self):
"""
:avocado: tags=arch:x86_64
:avocado: tags=machine:q35
:avocado: tags=accel:kvm
"""
self.require_accelerator('kvm')
self.vm.add_args('-accel', 'kvm')
self.vm.add_args('-cpu', 'Haswell')
self.vm.add_args('-smp', '1,sockets=1,cores=2,threads=1,maxcpus=2')
self.launch_and_wait()
self.ssh_command('test -e /sys/devices/system/cpu/cpu0')
with self.assertRaises(AssertionError):
self.ssh_command('test -e /sys/devices/system/cpu/cpu1')
self.vm.command('device_add',
driver='Haswell-x86_64-cpu',
socket_id=0,
core_id=1,
thread_id=0)
self.ssh_command('test -e /sys/devices/system/cpu/cpu1')
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