On 08/28/2017 02:47 PM, Fam Zheng wrote:
[...]
+ def __init__(self, debug=False, vcpus=None):
+ self._guest = None
+ self._tmpdir = tempfile.mkdtemp(prefix="qemu-vm-")
+ atexit.register(shutil.rmtree, self._tmpdir)
+
+ self._ssh_key_file = os.path.join(self._tmpdir, "id_rsa")
+ open(self._ssh_key_file, "w").write(SSH_KEY)
+ subprocess.check_call(["chmod", "600", self._ssh_key_file])
+
+ self._ssh_pub_key_file = os.path.join(self._tmpdir, "id_rsa.pub")
+ open(self._ssh_pub_key_file, "w").write(SSH_PUB_KEY)
+
+ self.debug = debug
+ self._stderr = sys.stderr
+ self._devnull = open("/dev/null", "w")
+ if self.debug:
+ self._stdout = sys.stdout
+ else:
+ self._stdout = self._devnull
+ self._args = [ \
+ "-nodefaults", "-m", "2G",
+ "-cpu", "host",
+ "-netdev", "user,id=vnet,hostfwd=:0.0.0.0:0-:22",
+ "-device", "virtio-net-pci,netdev=vnet",
+ "-vnc", ":0,to=20",
+ "-serial", "file:%s" % os.path.join(self._tmpdir, "serial.out")]
+ if vcpus:
+ self._args += ["-smp", str(vcpus)]
What about enabling mttcg which isn't default?
self._args += ["--accel", "tcg,thread=multi"]
+ if os.access("/dev/kvm", os.R_OK | os.W_OK):
+ self._args += ["-enable-kvm"]
+ else:
+ logging.info("KVM not available, not using -enable-kvm")
+ self._data_args = []
[...]
