gistfile1.py

 86 class CpuTopology(object):
 87     def __init__(self, capabilities=None):
 88         self._topology = _getCpuTopology(capabilities)
 89 
 90     def threads(self):
 91         return self._topology['threads']
 92 
 93     def cores(self):
 94         return self._topology['cores']
 95 
 96     def sockets(self):
 97         return self._topology['sockets']
 98 
 99 
100 @utils.memoized
101 def _getCapsXMLStr():
102     return libvirtconnection.get().getCapabilities()
103 
104 
105 @utils.memoized
106 def _getCpuTopology(capabilities):
107     if capabilities is None:
108         capabilities = _getCapsXMLStr()
109     caps = minidom.parseString(capabilities)   
110     host = caps.getElementsByTagName('host')[0]  
111     cells = host.getElementsByTagName('cells')[0]  
112     cpus = cells.getElementsByTagName('cpu').length
113 
114     socketList = []  
115     siblingsList = []
116     for line in cells.getElementsByTagName('cpu'):
117         socket_id = line.getAttribute('socket_id')
118         siblings = line.getAttribute('siblings')
119         socketList.extend(socket_id)   
120         siblingsList.extend([siblings])
121     topology = {'sockets': len(set(socketList)),
122                 'cores': len(set(siblingsList)),
123                 'threads': cpus}
124     return topology