class Monitoring:
"Generic class for monitoring"
def __init__(self):
self.mon = PqosMon()
self.groups = []
def setup_groups(self):
"Sets up monitoring groups. Needs to be implemented by a derived class."
return []
def setup(self):
"Resets monitoring and configures (starts) monitoring groups."
self.mon.reset()
self.groups = self.setup_groups()
def update(self):
"Updates values for monitored events."
self.mon.poll(self.groups)
def print_data(self):
"""Prints current values for monitored events. Needs to be implemented
by a derived class."""
pass
def stop(self):
"Stops monitoring."
for group in self.groups:
group.stop()
def test_poll(self, lib):
"Tests poll() method."
values = CPqosEventValues(llc=678, mbm_local=653, mbm_total=721,
mbm_remote=68, mbm_local_delta=653,
mbm_total_delta=721, mbm_remote_delta=68,
ipc=0.98, llc_misses=10, llc_misses_delta=10)
event = CPqosMonitor.PQOS_MON_EVENT_L3_OCCUP
group = CPqosMonData(event=event, values=values)
values2 = CPqosEventValues(llc=998, mbm_local=653, mbm_total=721,
mbm_remote=68, mbm_local_delta=653,
mbm_total_delta=721, mbm_remote_delta=68,
ipc=0.98, llc_misses=10, llc_misses_delta=10)
group_mock2 = CPqosMonData(values=values2)
def pqos_mon_poll_mock(groups_arr, num_groups):
"Mock pqos_mon_poll()."
self.assertEqual(num_groups, 1)
ctypes.memmove(groups_arr[0], ctypes.addressof(group_mock2),
ctypes.sizeof(group_mock2))
return 0
func_mock = MagicMock(side_effect=pqos_mon_poll_mock)
lib.pqos_mon_poll = func_mock
mon = PqosMon()
mon.poll([group])
lib.pqos_mon_poll.assert_called_once()
self.assertEqual(group.values.llc, 998)
