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-rw-r--r--tests/test_sched_assert.py116
1 files changed, 116 insertions, 0 deletions
diff --git a/tests/test_sched_assert.py b/tests/test_sched_assert.py
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+# 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)