cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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hotplug_cpu.py (1179B)

      1# Functional test that hotplugs a CPU and checks it on a Linux guest
      2#
      3# Copyright (c) 2021 Red Hat, Inc.
      4#
      5# Author:
      6#  Cleber Rosa <crosa@redhat.com>
      7#
      8# This work is licensed under the terms of the GNU GPL, version 2 or
      9# later.  See the COPYING file in the top-level directory.
     10
     11from avocado_qemu import LinuxTest
     12
     13
     14class HotPlugCPU(LinuxTest):
     15
     16    def test(self):
     17        """
     18        :avocado: tags=arch:x86_64
     19        :avocado: tags=machine:q35
     20        :avocado: tags=accel:kvm
     21        """
     22        self.require_accelerator('kvm')
     23        self.vm.add_args('-accel', 'kvm')
     24        self.vm.add_args('-cpu', 'Haswell')
     25        self.vm.add_args('-smp', '1,sockets=1,cores=2,threads=1,maxcpus=2')
     26        self.launch_and_wait()
     27
     28        self.ssh_command('test -e /sys/devices/system/cpu/cpu0')
     29        with self.assertRaises(AssertionError):
     30            self.ssh_command('test -e /sys/devices/system/cpu/cpu1')
     31
     32        self.vm.command('device_add',
     33                        driver='Haswell-x86_64-cpu',
     34                        socket_id=0,
     35                        core_id=1,
     36                        thread_id=0)
     37        self.ssh_command('test -e /sys/devices/system/cpu/cpu1')