def get_node_list(self):
'''Get list of nodes where VM is running
NOTE: only for memory
'''
try:
ret = self._libvirt_domain.numaParameters()
except libvirtError as err:
raise Error(str(err))
return parse_range_list(ret['numa_nodeset'])
def __init__(self, **kv):
self._kv = {}
for k, v in kv.iteritems():
if k not in _VEConfigFields:
raise TypeError("unexpected keyword argument '%s'" % k)
if k not in _VEConfigFields_string:
self._kv[str(k)] = int(v)
else:
if k in ["nodelist", "cpulist"]:
self._kv[str(k)] = parse_range_list(str(v))
continue
self._kv[str(k)] = str(v)
def init(cls):
if cls.__inited:
return
cls.nodes_ids = cls.get_nodes_ids()
cls.cpu_list = {}
for n in cls.nodes_ids[:]:
node_dir = cls.NUMA_NODE_SYS_PATH % n
with open(node_dir + "cpulist") as f:
cpu_list = parse_range_list(f.read())
if not cpu_list:
cls.nodes_ids.remove(n)
continue
cls.cpu_list[n] = cpu_list
cls.__inited = True
def get_node_list(self):
return parse_range_list(self._read_file_str("mems"))
def get_cpu_list(self):
return parse_range_list(self._read_file_str("cpus"))
def get_nodes_ids():
with open("/sys/devices/system/node/online") as node_list:
return parse_range_list(node_list.read())
