68 lines
1.8 KiB
Python
Executable File
68 lines
1.8 KiB
Python
Executable File
# Copyright 2012 Anton Beloglazov
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import libvirt
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def getNumberOfPhysicalCpus(connection):
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return connection.getInfo()[2]
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def getDomainTotalCpuTime(domain):
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return domain.getCPUStats(True, 0)[0]['cpu_time']
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def getCpuUtilization(numberOfPhysicalCpus, domain, previousTime, previousCpuTime, currentTime, currentCpuTime):
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#prevTime = time.time()
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#prevCpuTime = getDomainTotalCpuTime(domain)
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#time.sleep(1)
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#currTime = time.time()
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#currCpuTime = getDomainTotalCpuTime(domain)
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return ((currentCpuTime - previousCpuTime) / ((currentTime - previousTime) * 1000000000 * numberOfPhysicalCpus))
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def collectCpuUtilization(numberOfPhysicalCpus, timeInterval, reportingFunction):
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pass
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conn = libvirt.openReadOnly(None)
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if conn is None:
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print 'Failed to open connection to the hypervisor'
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sys.exit(1)
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numberOfPhysicalCpus = getNumberOfPhysicalCpus(conn)
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#print "Host CPUs: " + str(numberOfPhysicalCpus)
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#getCpuUtilization(dom0, numberOfPhysicalCpus)
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#try:
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# dom0 = conn.lookupByName("cirros")
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#except:
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# print 'Failed to find the main domain'
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# sys.exit(1)
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#print "Domain 0: id %d running %s" % (dom0.ID(), dom0.OSType())
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#print dom0.info()
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#print dom0.getCPUStats(1, 0)
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#print dom0.vcpus()
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#print dom0.vcpuPinInfo(0)
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#print conn.getCPUStats(1, 0)
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