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74a78fa42c
indent by 4 spaces one spaces around assignments Signed-off-by: Philipp Hahn <hahn@univention.de>
49 lines
1.2 KiB
Python
Executable File
49 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# Parse topology information from the capabilities XML and use
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# them to calculate host topology
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#
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# Authors:
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# Amador Pahim <apahim@redhat.com>
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# Peter Krempa <pkrempa@redhat.com>
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import libvirt
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from xml.dom import minidom
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try:
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conn = libvirt.openReadOnly(None)
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except libvirt.libvirtError:
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print('Failed to connect to the hypervisor')
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exit(1)
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try:
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capsXML = conn.getCapabilities()
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except libvirt.libvirtError:
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print('Failed to request capabilities')
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exit(1)
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caps = minidom.parseString(capsXML)
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host = caps.getElementsByTagName('host')[0]
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cells = host.getElementsByTagName('cells')[0]
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total_cpus = cells.getElementsByTagName('cpu').length
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socketIds = []
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siblingsIds = []
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socketIds = [
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proc.getAttribute('socket_id')
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for proc in cells.getElementsByTagName('cpu')
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if proc.getAttribute('socket_id') not in socketIds
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]
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siblingsIds = [
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proc.getAttribute('siblings')
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for proc in cells.getElementsByTagName('cpu')
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if proc.getAttribute('siblings') not in siblingsIds
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]
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print("Host topology")
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print("NUMA nodes:", cells.getAttribute('num'))
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print(" Sockets:", len(set(socketIds)))
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print(" Cores:", len(set(siblingsIds)))
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print(" Threads:", total_cpus)
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