Ejemplo n.º 1
0
    def test_no_double_accounting_spin_phase_fair_sob(self):
        "test that s-oblivious spin delay and arrival blocking are correctly accounted for"
        lb.apply_phase_fair_rw_bounds(self.ts, 1)

        self.assertTrue(rta.is_schedulable(1, self.p0))
        self.assertTrue(rta.is_schedulable(1, self.p1))

        # Expected inflated WCET and response times:

        # - for highest-priority task:
        #   - arrival blocking of up to 2ms
        #   - spin blocking of up to 1ms
        self.assertEqual(self.p0[0].cost, 10 + 3)
        self.assertEqual(self.p1[0].cost, 10 + 3)

        self.assertEqual(self.p0[0].response_time, 10 + 2 + 1)
        self.assertEqual(self.p1[0].response_time, 10 + 2 + 1)

        # - for lower-priority task:
        #   - no arrival blocking
        #   - interference of up to 10ms + 3ms
        #   - spin blocking of up to 1ms
        self.assertEqual(self.p0[1].cost, 10 + 1)
        self.assertEqual(self.p1[1].cost, 10 + 1)

        self.assertEqual(self.p0[1].response_time, 10 + 10 + 3 + 1)
        self.assertEqual(self.p1[1].response_time, 10 + 10 + 3 + 1)
Ejemplo n.º 2
0
    def test_no_double_accounting_spin_phase_fair_sob(self):
        "test that s-oblivious spin delay and arrival blocking are correctly accounted for"
        lb.apply_phase_fair_rw_bounds(self.ts, 1)

        self.assertTrue(rta.is_schedulable(1, self.p0))
        self.assertTrue(rta.is_schedulable(1, self.p1))

        # Expected inflated WCET and response times:

        # - for highest-priority task:
        #   - arrival blocking of up to 2ms
        #   - spin blocking of up to 1ms
        self.assertEqual(self.p0[0].cost, 10 + 3)
        self.assertEqual(self.p1[0].cost, 10 + 3)

        self.assertEqual(self.p0[0].response_time, 10 + 2 + 1)
        self.assertEqual(self.p1[0].response_time, 10 + 2 + 1)

        # - for lower-priority task:
        #   - no arrival blocking
        #   - interference of up to 10ms + 3ms
        #   - spin blocking of up to 1ms
        self.assertEqual(self.p0[1].cost, 10 + 1)
        self.assertEqual(self.p1[1].cost, 10 + 1)

        self.assertEqual(self.p0[1].response_time, 10 + 10 + 3 + 1)
        self.assertEqual(self.p1[1].response_time, 10 + 10 + 3 + 1)
Ejemplo n.º 3
0
 def test_pfrw(self):
     lb.apply_phase_fair_rw_bounds(self.ts, 2)
     self.sob_non_zero_blocking()