def worker(mig_data):
vm = env.get_vm("vm1")
session = vm.wait_for_login(timeout=self.login_timeout)
install_cpuflags_test_on_vm(vm, install_path)
Flags = check_cpuflags_work(vm, install_path,
flags.all_possible_guest_flags)
logging.info("Woking CPU flags: %s", str(Flags[0]))
logging.info("Not working CPU flags: %s",
str(Flags[1]))
logging.warning("Flags works even if not defined on"
" guest cpu flags: %s",
str(Flags[0] - flags.guest_flags))
logging.warning("Not tested CPU flags: %s",
str(Flags[2]))
session.sendline("nohup dd if=/dev/[svh]da of=/tmp/"
"stressblock bs=10MB count=100 &")
cmd = ("nohup %s/cpuflags-test --stress %s%s &" %
(os.path.join(install_path, "src"),
smp,
cpu.kvm_flags_to_stresstests(Flags[0] &
flags.guest_flags)))
logging.debug("Guest_flags: %s",
str(flags.guest_flags))
logging.debug("Working_flags: %s", str(Flags[0]))
logging.debug("Start stress on guest: %s", cmd)
session.sendline(cmd)
def run_stress(vm, timeout, guest_flags):
"""
Run stress on vm for timeout time.
"""
ret = False
install_path = "/tmp"
install_cpuflags_test_on_vm(vm, install_path)
flags = check_cpuflags_work(vm, install_path, guest_flags)
dd_session = vm.wait_for_login()
stress_session = vm.wait_for_login()
dd_session.sendline("dd if=/dev/[svh]da of=/tmp/stressblock"
" bs=10MB count=100 &")
try:
stress_session.cmd("%s/cpuflags-test --stress %s%s" %
(os.path.join(install_path, "src"), smp,
cpu.kvm_flags_to_stresstests(flags[0])),
timeout=timeout)
except aexpect.ShellTimeoutError:
ret = True
stress_session.close()
dd_session.close()
return ret
def test(self):
cpu_model, extra_flags = parse_cpu_model()
flags = HgFlags(cpu_model, extra_flags)
logging.debug("Cpu mode flags %s.",
str(flags.quest_cpu_model_flags))
logging.debug("Added flags %s.",
str(flags.cpumodel_unsupport_flags))
cpuf_model = cpu_model
# Add unsupported flags.
for fadd in flags.cpumodel_unsupport_flags:
cpuf_model += ",+" + str(fadd)
for fdel in flags.host_unsupported_flags:
cpuf_model += ",-" + str(fdel)
(self.vm, _) = start_guest_with_cpuflags(cpuf_model, smp)
install_path = "/tmp"
install_cpuflags_test_on_vm(self.vm, install_path)
flags = check_cpuflags_work(self.vm, install_path,
flags.guest_flags)
test.assertTrue(flags[0], "No cpuflags passed the check: %s"
% str(flags))
test.assertFalse(flags[1], "Some cpuflags failed the check: %s"
% str(flags))
dd_session = self.vm.wait_for_login()
stress_session = self.vm.wait_for_login()
dd_session.sendline("nohup dd if=$(echo /dev/[svh]da) of=/tmp/"
"stressblock bs=10MB count=100 &")
cmd = ("nohup %s/cpuflags-test --stress %s%s &" %
(os.path.join(install_path, "src"), smp,
cpu.kvm_flags_to_stresstests(flags[0])))
stress_session.sendline(cmd)
time.sleep(5)
qemu_migration.set_speed(self.vm, mig_speed)
self.clone = self.vm.migrate(
mig_timeout, mig_protocol, offline=False,
not_wait_for_migration=True)
time.sleep(5)
try:
self.vm.wait_for_migration(10)
except virt_vm.VMMigrateTimeoutError:
qemu_migration.set_downtime(self.vm, 1)
self.vm.wait_for_migration(mig_timeout)
self.clone.resume()
self.vm.destroy(gracefully=False)
stress_session = self.clone.wait_for_login()
# If cpuflags-test hang up during migration test raise exception
try:
stress_session.cmd('killall cpuflags-test')
except aexpect.ShellCmdError:
test.fail("Stress cpuflags-test should be still "
"running after migration.")
try:
stress_session.cmd("ls /tmp/stressblock && "
"rm -f /tmp/stressblock")
except aexpect.ShellCmdError:
test.fail("Background 'dd' command failed to "
"produce output file.")