def test_get_vcpu_used(self):
self.mox.StubOutWithMock(ovz_utils, 'get_cpuunits_capability')
ovz_utils.get_cpuunits_capability().AndReturn(fakes.CPUUNITSCAPA)
self.mox.StubOutWithMock(ovz_utils, 'get_vcpu_total')
ovz_utils.get_vcpu_total().AndReturn(fakes.HOSTSTATS['vcpus'])
self.mox.ReplayAll()
used = int(fakes.HOSTSTATS['vcpus'] *
(float(fakes.CPUUNITSCAPA['subscribed']) /
fakes.CPUUNITSCAPA['total']))
result = ovz_utils.get_vcpu_used()
self.assertEqual(result, used)
def test_get_vcpu_total_failure(self):
self.mox.StubOutWithMock(
ovz_utils.multiprocessing, 'cpu_count')
ovz_utils.multiprocessing.cpu_count().AndRaise(NotImplementedError)
self.mox.ReplayAll()
result = ovz_utils.get_vcpu_total()
self.assertEqual(result, 0)
def test_get_vcpu_total_success(self):
self.mox.StubOutWithMock(
ovz_utils.multiprocessing, 'cpu_count')
ovz_utils.multiprocessing.cpu_count().AndReturn(
fakes.HOSTSTATS['vcpus'])
self.mox.ReplayAll()
result = ovz_utils.get_vcpu_total()
self.assertEqual(result, fakes.HOSTSTATS['vcpus'])
def get_cpulimit(self):
"""
Fetch the total possible cpu processing limit in percentage to be
divided up across all containers. This is expressed in percentage
being added up by logical processor. If there are 24 logical
processors then the total cpulimit for the host node will be
2400.
"""
self.utility['CPULIMIT'] = ovz_utils.get_vcpu_total() * 100
LOG.debug(_('Updated cpulimit in utility'))
LOG.debug(
_('Current cpulimit in utility: %s') % self.utility['CPULIMIT'])
