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