def get_flags_full_name(cpu_flag):
"""
Get all name of Flag.
:param cpu_flag: Flag
:return: all name of Flag.
"""
cpu_flag = utils_misc.Flag(cpu_flag)
for f in get_all_qemu_flags():
if f == cpu_flag:
return utils_misc.Flag(f)
return []
def test(self):
# This is virtual cpu flags which are supported by
# qemu but no with host cpu.
cpu_model, extra_flags = parse_cpu_model()
flags = HgFlags(cpu_model, extra_flags)
logging.debug("Unsupported flags %s.",
str(flags.host_all_unsupported_flags))
cpuf_model = cpu_model + ",check"
# Add unsupported flags.
for fadd in flags.host_all_unsupported_flags:
cpuf_model += ",+" + str(fadd)
vnc_port = utils_misc.find_free_port(5900, 6100) - 5900
cmd = "%s -cpu %s -vnc :%d -enable-kvm" % (qemu_binary,
cpuf_model,
vnc_port)
out = None
try:
try:
out = utils.run(cmd, timeout=5, ignore_status=True).stderr
raise error.TestFail("Guest not boot with unsupported "
"flags.")
except error.CmdError, e:
out = e.result_obj.stderr
finally:
uns_re = re.compile(r"^warning:.*flag '(.+)'", re.MULTILINE)
nf_re = re.compile(
r"^CPU feature (.+) not found", re.MULTILINE)
warn_flags = set([utils_misc.Flag(x)
for x in uns_re.findall(out)])
not_found = set([utils_misc.Flag(x)
for x in nf_re.findall(out)])
fwarn_flags = flags.host_all_unsupported_flags - warn_flags
fwarn_flags -= not_found
if fwarn_flags:
raise error.TestFail("Qemu did not warn the use of "
"flags %s" % str(fwarn_flags))
