def test_basic_cpu(self):
self.skip_if_no_hostname()
s = basic.CPU(
{'interval': 1.0, 'service': 'cpu', 'ttl': 60}, self._qb, None)
try:
s.get()
s.get()
except:
raise unittest.SkipTest('Might not exist in docker')
def test_basic_cpu_calculation_no_guest_stats(self):
s = basic.CPU({
'interval': 1.0,
'service': 'cpu',
'ttl': 60,
'hostname': 'localhost',
}, self._qb, None)
stats = "cpu 2255 34 2290 25563 6290 127 456 0"
s._read_proc_stat = lambda: stats
# This is the first time we're getting this stat, so we get no events.
self.assertEqual(s.get(), None)
stats = "cpu 4510 68 4580 51126 12580 254 912 0"
s._read_proc_stat = lambda: stats
events = s.get()
cpu_event = events[-1]
iowait_event = events[4]
self.assertEqual(cpu_event.service, 'cpu')
self.assertEqual(round(cpu_event.metric, 4), 0.1395)
self.assertEqual(iowait_event.service, 'cpu.iowait')
self.assertEqual(round(iowait_event.metric, 4), 0.1699)