def pinned_cpus(self):
"""
:return: A dictionary in which key is vCPU ID and value is a frozenset
with IDs of pCPUs the vCPU is pinned to. If a vCPU is not pinned to
any pCPU it is not listed in the dictionary. Empty dictionary is
returned if none of the vCPUs has a pinning defined.
"""
cputune = vmxml.find_first(self._dom, 'cputune', None)
if cputune is None:
return {}
pinning = dict()
for vcpupin in vmxml.find_all(cputune, 'vcpupin'):
cpuset = vcpupin.get('cpuset', None)
vcpu = vcpupin.get('vcpu', None)
if vcpu is not None and cpuset is not None:
cpus = taskset.cpulist_parse(cpuset)
if len(cpus) > 0:
pinning[int(vcpu)] = cpus
return pinning
def _qga_call_get_vcpus(self, vm):
try:
self.log.debug('Requesting guest CPU info for vm=%s', vm.id)
with vm.qga_context(_COMMAND_TIMEOUT):
vcpus = QemuGuestAgentDomain(vm).guestVcpus()
except (exception.NonResponsiveGuestAgent, libvirt.libvirtError) as e:
self.log.info('Failed to get guest CPU info for vm=%s, error: %s',
vm.id, e)
self.set_failure(vm.id)
return {}
except virdomain.NotConnectedError:
self.log.debug(
'Not querying QEMU-GA for guest CPU info because domain'
'is not running for vm-id=%s', vm.id)
return {}
if 'online' in vcpus:
count = len(taskset.cpulist_parse(vcpus['online']))
else:
count = -1
return {'guestCPUCount': count}
def _expand_list(cpuset):
cpulist = sorted(taskset.cpulist_parse(cpuset))
return [str(cpu) for cpu in cpulist]