def test_priority_ceiling(self): self.rsi = cpp.ResourceSharingInfo(4) self.rsi.add_task(10, 10, 2, 100) self.rsi.add_request(0, 1, 3) self.rsi.add_task(25, 25, 3, 200) self.rsi.add_request(0, 1, 5) self.rsi.add_task(50, 50, 4, 300) self.rsi.add_request(1, 1, 7) self.rsi.add_task(100, 100, 1, 400) self.rsi.add_request(1, 1, 9) self.loc = cpp.ResourceLocality() self.loc.assign_resource(0, 1) self.loc.assign_resource(1, 1) res = cpp.dpcp_bounds(self.rsi, self.loc) self.assertEqual(1, res.get_remote_count(0)) self.assertEqual(5, res.get_remote_blocking(0)) self.assertEqual(4, res.get_remote_count(1)) self.assertEqual(4 * 3, res.get_remote_blocking(1)) self.assertEqual(6 + 3 + 1, res.get_remote_count(2)) self.assertEqual(6 * 3 + 3 * 5 + 1 * 9, res.get_remote_blocking(2)) self.assertEqual(0, res.get_remote_count(3)) self.assertEqual(0, res.get_remote_blocking(3)) self.assertEqual(11 + 5 + 3, res.get_local_count(3)) self.assertEqual(11 * 3 + 5 * 5 + 3 * 7, res.get_local_blocking(3))
def apply_dpcp_bounds(all_tasks, resource_mapping): # The DPCP bounds are expressed in terms of task periods, # not response time. model = get_cpp_model(all_tasks) res = cpp.dpcp_bounds(model, resource_mapping) for i, t in enumerate(all_tasks): # remote blocking <=> suspension time t.suspended = res.get_remote_blocking(i) # all blocking, including arrival blocking t.blocked = res.get_blocking_term(i)
def test_remote_blocking(self): res = cpp.dpcp_bounds(self.rsi, self.loc) self.assertEqual(0, res.get_remote_count(3)) self.assertEqual(0, res.get_remote_blocking(3)) self.assertEqual(1, res.get_remote_count(0)) self.assertEqual(7, res.get_remote_blocking(0)) self.assertEqual(5, res.get_remote_count(1)) self.assertEqual(4 * 3 + 1 * 7, res.get_remote_blocking(1)) self.assertEqual(6 + 3, res.get_remote_count(2)) self.assertEqual(6 * 3 + 3 * 5, res.get_remote_blocking(2))
def test_local_blocking(self): res = cpp.dpcp_bounds(self.rsi, self.loc) self.assertEqual(0, res.get_local_count(0)) self.assertEqual(0, res.get_local_blocking(0)) self.assertEqual(0, res.get_local_count(1)) self.assertEqual(0, res.get_local_blocking(1)) self.assertEqual(0, res.get_local_count(2)) self.assertEqual(0, res.get_local_blocking(2)) self.assertEqual(11 + 5 + 3, res.get_local_count(3)) self.assertEqual(11 * 3 + 5 * 5 + 3 * 7, res.get_local_blocking(3))
def apply_dpcp_bounds(all_tasks, resource_mapping, use_text_book_definition=False): # The DPCP bounds are expressed in terms of task periods, # not response time, in the original definition. model = get_cpp_model(all_tasks, use_text_book_definition) topo = get_cpp_topology(resource_mapping) res = cpp.dpcp_bounds(model, topo) for i,t in enumerate(all_tasks): # remote blocking <=> suspension time t.suspended = res.get_remote_blocking(i) # all blocking, including arrival blocking t.blocked = res.get_blocking_term(i) return res