| # Copyright 2015-2016 ARM Limited |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| |
| from bart.sched.SchedAssert import SchedAssert |
| from bart.sched.SchedMultiAssert import SchedMultiAssert |
| import trappy |
| from trappy.stats.Topology import Topology |
| import unittest |
| |
| import utils_tests |
| |
| |
| @unittest.skipUnless(utils_tests.trace_cmd_installed(), |
| "trace-cmd not installed") |
| class TestSchedAssert(utils_tests.SetupDirectory): |
| |
| def __init__(self, *args, **kwargs): |
| |
| self.BIG = [1,2] |
| self.LITTLE = [0, 3, 4, 5] |
| self.clusters = [self.BIG, self.LITTLE] |
| self.topology = Topology(clusters=self.clusters) |
| super(TestSchedAssert, self).__init__( |
| [("raw_trace.dat", "trace.dat")], |
| *args, |
| **kwargs) |
| |
| def test_get_runtime(self): |
| |
| r = trappy.FTrace() |
| # The ls process is process we are |
| # testing against with pre calculated |
| # values |
| process = "ls" |
| |
| # Complete duration |
| expected_time = 0.0034740000264719129 |
| s = SchedAssert(r, self.topology, execname=process) |
| self.assertAlmostEqual(s.getRuntime(), expected_time, places=9) |
| self.assertAlmostEqual(s.getRuntime(), expected_time, places=9) |
| |
| # Non Interrupted Window |
| window = (0.0034, 0.003525) |
| expected_time = 0.000125 |
| self.assertAlmostEqual(s.getRuntime(window=window), expected_time, |
| places=9) |
| |
| # Interrupted Window |
| window = (0.0030, 0.0032) |
| expected_time = 0.000166 |
| self.assertAlmostEqual(s.getRuntime(window=window), expected_time, |
| places=9) |
| |
| # A window with multiple interruptions |
| window = (0.0027, 0.0036) |
| expected_time = 0.000817 |
| self.assertAlmostEqual(s.getRuntime(window=window), expected_time, |
| places=9) |
| |
| def test_get_last_cpu(self): |
| """SchedAssert.getLastCpu() gives you the last cpu in which a task ran""" |
| expected_last_cpu = 5 |
| |
| sa = SchedAssert("trace.dat", self.topology, execname="ls") |
| self.assertEqual(sa.getLastCpu(), expected_last_cpu) |
| |
| class TestSchedMultiAssert(utils_tests.SetupDirectory): |
| def __init__(self, *args, **kwargs): |
| self.big = [1,2] |
| self.little = [0, 3, 4, 5] |
| self.clusters = [self.big, self.little] |
| self.all_cpus = sorted(self.big + self.little) |
| self.topology = Topology(clusters=self.clusters) |
| super(TestSchedMultiAssert, self).__init__( |
| [("raw_trace.dat", "trace.dat")], |
| *args, |
| **kwargs) |
| |
| def test_cpu_busy_time(self): |
| """SchedMultiAssert.getCPUBusyTime() work""" |
| |
| # precalculated values against these processes in the trace |
| pids = [4729, 4734] |
| first_time = .000214 |
| last_time = .003171 |
| |
| tr = trappy.FTrace() |
| sma = SchedMultiAssert(tr, self.topology, pids=pids) |
| |
| expected_busy_time = 0.0041839999754810708 |
| busy_time = sma.getCPUBusyTime("all", self.all_cpus, window=(first_time, last_time)) |
| self.assertAlmostEqual(busy_time, expected_busy_time) |
| |
| # percent calculation |
| expected_busy_pct = 23.582459561949445 |
| busy_pct= sma.getCPUBusyTime("all", self.all_cpus, percent=True, |
| window=(first_time, last_time)) |
| self.assertAlmostEqual(busy_pct, expected_busy_pct) |
| |
| # percent without a window |
| expected_busy_pct = 23.018818156540004 |
| busy_pct= sma.getCPUBusyTime("cluster", self.little, percent=True) |
| self.assertAlmostEqual(busy_pct, expected_busy_pct) |