tests/vm: add shutdown timeout in basevm.py

We are adding the shutdown timeout to solve an issue
we now see where the aarch64 VMs timeout on shutdown
under TCG.

There is a new 3 second timeout in machine.py,
which we override in basevm.py when shutting down.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200717203041.9867-4-robert.foley@linaro.org>
Message-Id: <20200724064509.331-17-alex.bennee@linaro.org>
This commit is contained in:
Robert Foley 2020-07-24 07:45:09 +01:00 committed by Alex Bennée
parent 80ded8e99d
commit 4a70232b1d

View file

@ -80,6 +80,8 @@ class BaseVM(object):
arch = "#arch"
# command to halt the guest, can be overridden by subclasses
poweroff = "poweroff"
# Time to wait for shutdown to finish.
shutdown_timeout_default = 30
# enable IPv6 networking
ipv6 = True
# This is the timeout on the wait for console bytes.
@ -87,7 +89,7 @@ class BaseVM(object):
# Scale up some timeouts under TCG.
# 4 is arbitrary, but greater than 2,
# since we found we need to wait more than twice as long.
tcg_ssh_timeout_multiplier = 4
tcg_timeout_multiplier = 4
def __init__(self, args, config=None):
self._guest = None
self._genisoimage = args.genisoimage
@ -141,9 +143,12 @@ class BaseVM(object):
if args.jobs and args.jobs > 1:
self._args += ["-smp", "%d" % args.jobs]
if kvm_available(self.arch):
self._shutdown_timeout = self.shutdown_timeout_default
self._args += ["-enable-kvm"]
else:
logging.info("KVM not available, not using -enable-kvm")
self._shutdown_timeout = \
self.shutdown_timeout_default * self.tcg_timeout_multiplier
self._data_args = []
if self._config['qemu_args'] != None:
@ -423,7 +428,7 @@ class BaseVM(object):
def wait_ssh(self, wait_root=False, seconds=300, cmd="exit 0"):
# Allow more time for VM to boot under TCG.
if not kvm_available(self.arch):
seconds *= self.tcg_ssh_timeout_multiplier
seconds *= self.tcg_timeout_multiplier
starttime = datetime.datetime.now()
endtime = starttime + datetime.timedelta(seconds=seconds)
cmd_success = False
@ -441,14 +446,14 @@ class BaseVM(object):
raise Exception("Timeout while waiting for guest ssh")
def shutdown(self):
self._guest.shutdown()
self._guest.shutdown(timeout=self._shutdown_timeout)
def wait(self):
self._guest.wait()
self._guest.wait(timeout=self._shutdown_timeout)
def graceful_shutdown(self):
self.ssh_root(self.poweroff)
self._guest.wait()
self._guest.wait(timeout=self._shutdown_timeout)
def qmp(self, *args, **kwargs):
return self._guest.qmp(*args, **kwargs)