def test_get(self, lib):
"Tests get() method."
# pylint: disable=invalid-name
def pqos_l2ca_get_mock(socket, cos_num, num_ca_ref, l2cas):
"Mock pqos_l2ca_get()."
self.assertEqual(socket, 1)
self.assertEqual(cos_num, 2)
cos_c = CPqosL2Ca(class_id=0, u=CPqosL2CaMask(ways_mask=0x01ff))
cos2_c = CPqosL2Ca(class_id=1, u=CPqosL2CaMask(ways_mask=0x007f))
cos_arr_c = ctypes_build_array([cos_c, cos2_c])
ctypes.memmove(l2cas, cos_arr_c, ctypes.sizeof(cos_arr_c))
ctypes_ref_set_int(num_ca_ref, len(cos_arr_c))
return 0
lib.pqos_l2ca_get = MagicMock(side_effect=pqos_l2ca_get_mock)
l2ca = PqosCatL2()
with patch('pqos.l2ca.PqosCap') as PqosCapMock:
PqosCapMock.return_value.get_l2ca_cos_num.return_value = 2
coses = l2ca.get(1)
lib.pqos_l2ca_get.assert_called_once()
self.assertEqual(len(coses), 2)
self.assertEqual(coses[0].class_id, 0)
self.assertEqual(coses[0].mask, 0x01ff)
self.assertEqual(coses[1].class_id, 1)
self.assertEqual(coses[1].mask, 0x007f)
def test_get_min_cbm_bits(self, lib):
"Tests get_min_cbm_bits() method."
def pqos_l2ca_get_min_cbm_bits_mock(min_cbm_bits_ref):
"Mock pqos_l2ca_get_min_cbm_bits()."
ctypes_ref_set_int(min_cbm_bits_ref, 2)
return 0
func_mock = MagicMock(side_effect=pqos_l2ca_get_min_cbm_bits_mock)
lib.pqos_l2ca_get_min_cbm_bits = func_mock
l2ca = PqosCatL2()
min_bits = l2ca.get_min_cbm_bits()
self.assertEqual(min_bits, 2)
def set_allocation_class(l2_ids, class_id, mask):
"""
Sets up allocation classes of service on selected CPU sockets
Parameters:
l2_ids: a list of L2 IDs
class_id: class of service ID
mask: COS bitmask
"""
l2ca = PqosCatL2()
cos = l2ca.COS(class_id, mask)
for l2_id in l2_ids:
try:
l2ca.set(l2_id, [cos])
except:
print("Setting up cache allocation class of service failed!")
def print_allocation_config(l2_ids):
"""
Prints allocation configuration.
Parameters:
l2_ids: a list of L2 IDs
"""
l2ca = PqosCatL2()
for l2_id in l2_ids:
try:
coses = l2ca.get(l2_id)
print("L2CA COS definitions for L2 ID %u:" % l2_id)
for cos in coses:
cos_params = (cos.class_id, cos.mask)
print(" L2CA COS%u => MASK 0x%x" % cos_params)
except:
print("Error")
raise
def test_set(self, lib):
"Tests set() method."
def pqos_l2ca_set_mock(socket, num_ca, l2_ca_arr):
"Mock pqos_l2ca_set()."
self.assertEqual(socket, 0)
self.assertEqual(num_ca, 1)
cos = l2_ca_arr[0]
self.assertEqual(cos.class_id, 1)
self.assertEqual(cos.cdp, 1)
self.assertEqual(cos.u.s.data_mask, 0x1f)
self.assertEqual(cos.u.s.code_mask, 0x0f)
return 0
lib.pqos_l2ca_set = MagicMock(side_effect=pqos_l2ca_set_mock)
l2ca = PqosCatL2()
cos = l2ca.COS(1, data_mask=u'0x1f', code_mask=0x0f)
l2ca.set(0, [cos])
lib.pqos_l2ca_set.assert_called_once()
def test_cos_no_masks(self):
"Tests PqosCatL2.COS class construction when no masks are given."
with self.assertRaises(ValueError):
PqosCatL2.COS(1)