def testSkipStatsOnMissingLastSample(self):
cpu_sample = {'user': 1.0, 'sys': 2.0}
first_sample = fake.HostSample(1.0, {0: cpu_sample, 1: cpu_sample})
# CPU one suddenly came online and the second sample is still missing
last_sample = fake.HostSample(2.0, {0: cpu_sample})
with MonkeyPatchScope([(numa, 'topology', self._fakeNumaTopology)]):
result = hoststats._get_cpu_core_stats(first_sample, last_sample)
self.assertEqual(len(result), 1)
self.assertEqual(result['0'], self._core_zero_stats)
def testSkipStatsOnMissingFirstSample(self):
cpu_sample = {'user': 1.0, 'sys': 2.0}
# CPU one suddenly went offline and no new sample from it is available
first_sample = fake.HostSample(1.0, {0: cpu_sample})
last_sample = fake.HostSample(2.0, {0: cpu_sample, 1: cpu_sample})
with MonkeyPatchScope([(numa, 'topology', self._fakeNumaTopology)]):
result = hoststats._get_cpu_core_stats(first_sample, last_sample)
self.assertEqual(len(result), 1)
self.assertEqual(result['0'], self._core_zero_stats)
def testCpuCoreStats(self):
cpu_sample = {'user': 1.0, 'sys': 2.0}
# Both CPUs are online and first and last samples are present
first_sample = fake.HostSample(1.0, {0: cpu_sample, 1: cpu_sample})
last_sample = fake.HostSample(2.0, {0: cpu_sample, 1: cpu_sample})
with MonkeyPatchScope([(numa, 'topology', self._fakeNumaTopology)]):
result = hoststats._get_cpu_core_stats(first_sample, last_sample)
self.assertEqual(len(result), 2)
self.assertEqual(result['0'], self._core_zero_stats)
self.assertEqual(result['1'], self._core_one_stats)
def testCpuCoreStats(self):
node_id, cpu_id = 0, 0
self._hs = sampling.HostStatsThread(self.log)
cpu_sample = {'user': 1.0, 'sys': 2.0}
# "5" is the size of the SampleWindow.
# there is no easy way to get SampleWindow, so
# we hardcode a magic number here.
for fake_ts in six.moves.xrange(5):
self._hs._samples.append(
fake.HostSample(fake_ts, {cpu_id: cpu_sample}))
def fakeNumaTopology():
return {node_id: {'cpus': [cpu_id]}}
expected = {
'0': {
'cpuIdle': '100.00',
'cpuSys': '0.00',
'cpuUser': '******',
'nodeIndex': 0
}
}
with MonkeyPatchScope([(caps, 'getNumaTopology', fakeNumaTopology)]):
self.assertEqual(self._hs._getCpuCoresStats(), expected)
def testSampleIntervalTooSmall(self):
expected = {
'cpuIdle': 100.0,
'cpuSys': 0.0,
'cpuSysVdsmd': 0.0,
'cpuUser': 0.0,
'cpuUserVdsmd': 0.0,
'memUsed': 0.0,
'elapsedTime': 0,
'anonHugePages': 0.0,
'cpuLoad': 0.0,
}
first_sample = fake.HostSample(1.0, {})
last_sample = fake.HostSample(1.0, {})
hoststats.start(lambda: 0)
self.assertEqual(hoststats.produce(first_sample, last_sample),
expected)
def testCpuCoreStats(self):
node_id, cpu_id = 0, 0
cpu_sample = {'user': 1.0, 'sys': 2.0}
first_sample = fake.HostSample(1.0, {cpu_id: cpu_sample})
last_sample = fake.HostSample(2.0, {cpu_id: cpu_sample})
def fakeNumaTopology():
return {node_id: {'cpus': [cpu_id]}}
expected = {
'0': {
'cpuIdle': '100.00',
'cpuSys': '0.00',
'cpuUser': '******',
'nodeIndex': 0
}
}
with MonkeyPatchScope([(caps, 'getNumaTopology', fakeNumaTopology)]):
self.assertEqual(
hoststats._get_cpu_core_stats(first_sample, last_sample),
expected)