| # 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.linuxtest 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.cmd('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') |
