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Diffstat (limited to 'tests/test_base.py')
| -rw-r--r-- | tests/test_base.py | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/tests/test_base.py b/tests/test_base.py new file mode 100644 index 0000000..e1fec6d --- /dev/null +++ b/tests/test_base.py @@ -0,0 +1,215 @@ +# Copyright 2015-2017 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. +# + + +import os +import sys +import unittest +import utils_tests +import trappy +from trappy.base import trace_parser_explode_array + +sys.path.append(os.path.join(utils_tests.TESTS_DIRECTORY, "..", "trappy")) + +class TestBaseMethods(unittest.TestCase): + """Test simple methods that don't need to set up a directory""" + def test_trace_parser_explode_array(self): + """TestBaseMethods: Basic test of trace_parser_explode_array()""" + + line = "cpus=0000000f freq=1400000 raw_cpu_power=189 load={3 2 12 2} power=14" + expected = "cpus=0000000f freq=1400000 raw_cpu_power=189 load0=3 load1=2 load2=12 load3=2 power=14" + array_lengths = {"load": 4} + + result = trace_parser_explode_array(line, array_lengths) + self.assertEquals(result, expected) + + def test_trace_parser_explode_array_nop(self): + """TestBaseMethods: trace_parser_explode_array() returns the same string if there's no array in it""" + + line = "cpus=0000000f freq=1400000 raw_cpu_power=189 load0=3 load1=2 load2=12 load3=2 power=14" + array_lengths = {"load": 0} + + result = trace_parser_explode_array(line, array_lengths) + self.assertEquals(result, line) + + def test_trace_parser_explode_array_2(self): + """TestBaseMethods: trace_parser_explode_array() works if there's two arrays in the string""" + + line = "cpus=0000000f freq=1400000 load={3 2 12 2} power=14 req_power={10 7 2 34}" + expected = "cpus=0000000f freq=1400000 load0=3 load1=2 load2=12 load3=2 power=14 req_power0=10 req_power1=7 req_power2=2 req_power3=34" + array_lengths = {'load': 4, 'req_power': 4} + + result = trace_parser_explode_array(line, array_lengths) + self.assertEquals(result, expected) + + def test_trace_parser_explode_array_diff_lengths(self): + """TestBaseMethods: trace_parser_explode_array() expands arrays that are shorter than the expected length + + trace_parser_explode_array() has to be able to deal with an array of + size 2 if we tell it in other parts of the trace it is four. + + """ + + line = "cpus=0000000f freq=1400000 load={3 2} power=14" + expected = "cpus=0000000f freq=1400000 load0=3 load1=2 load2=0 load3=0 power=14" + array_lengths = {'load': 4} + + result = trace_parser_explode_array(line, array_lengths) + self.assertEquals(result, expected) + +class TestBase(utils_tests.SetupDirectory): + """Incomplete tests for the Base class""" + + def __init__(self, *args, **kwargs): + super(TestBase, self).__init__( + [("../doc/trace.txt", "trace.txt"), + ("trace_equals.txt", "trace_equals.txt")], + *args, + **kwargs) + + def test_parse_empty_array(self): + """TestBase: Trace with empty array creates a valid DataFrame""" + + in_data = """ kworker/4:1-397 [004] 720.741315: thermal_power_cpu_get: cpus=000000f0 freq=1900000 raw_cpu_power=1259 load={} power=61 + kworker/4:1-397 [004] 720.741349: thermal_power_cpu_get: cpus=0000000f freq=1400000 raw_cpu_power=189 load={} power=14""" + + expected_columns = set(["__comm", "__pid", "__tgid", "__cpu", "cpus", "freq", + "raw_cpu_power", "power"]) + + with open("trace.txt", "w") as fout: + fout.write(in_data) + + trace = trappy.FTrace() + dfr = trace.cpu_in_power.data_frame + + self.assertEquals(set(dfr.columns), expected_columns) + self.assertEquals(dfr["power"].iloc[0], 61) + + def test_parse_special_fields(self): + """TestBase: Task name, PID, CPU and timestamp are properly paresed """ + + events = { + 1001.456789 : { 'task': 'rcu_preempt', 'pid': 1123, 'cpu': 001 }, + 1002.456789 : { 'task': 'rs:main', 'pid': 2123, 'cpu': 002 }, + 1003.456789 : { 'task': 'AsyncTask #1', 'pid': 3123, 'cpu': 003 }, + 1004.456789 : { 'task': 'kworker/1:1H', 'pid': 4123, 'cpu': 004 }, + 1005.456789 : { 'task': 'jbd2/sda2-8', 'pid': 5123, 'cpu': 005 }, + 1006.456789 : { 'task': 'IntentService[', 'pid': 6123, 'cpu': 005 }, + 1006.456789 : { 'task': r'/system/bin/.s$_?.u- \a]}c\./ef[.12]*[[l]in]ger', + 'pid': 1234, 'cpu': 666 }, + } + + in_data = """""" + for timestamp in sorted(events): + in_data+="{0:>16s}-{1:d} [{2:04d}] {3}: event0: tag=value\n".\ + format( + events[timestamp]['task'], + events[timestamp]['pid'], + events[timestamp]['cpu'], + timestamp + ) + + expected_columns = set(["__comm", "__pid", "__tgid", "__cpu", "tag"]) + + with open("trace.txt", "w") as fout: + fout.write(in_data) + + ftrace_parser = trappy.register_dynamic_ftrace("Event0", "event0", scope="sched") + trace = trappy.FTrace(normalize_time=False) + dfr = trace.event0.data_frame + + self.assertEquals(set(dfr.columns), expected_columns) + + for timestamp, event in events.iteritems(): + self.assertEquals(dfr["__comm"].loc[timestamp], event['task']) + self.assertEquals(dfr["__pid"].loc[timestamp], event['pid']) + self.assertEquals(dfr["__cpu"].loc[timestamp], event['cpu']) + + trappy.unregister_dynamic_ftrace(ftrace_parser) + + + def test_parse_values_concatenation(self): + """TestBase: Trace with space separated values created a valid DataFrame""" + + in_data = """ rcu_preempt-7 [000] 73.604532: my_sched_stat_runtime: comm=Space separated taskname pid=7 runtime=262875 [ns] vruntime=17096359856 [ns]""" + + expected_columns = set(["__comm", "__pid", "__tgid", "__cpu", "comm", "pid", "runtime", "vruntime"]) + + with open("trace.txt", "w") as fout: + fout.write(in_data) + + ftrace_parser = trappy.register_dynamic_ftrace("sched_stat_runtime", + "my_sched_stat_runtime", scope="sched") + trace = trappy.FTrace() + dfr = trace.sched_stat_runtime.data_frame + + self.assertEquals(set(dfr.columns), expected_columns) + self.assertEquals(dfr["comm"].iloc[0], "Space separated taskname") + self.assertEquals(dfr["pid"].iloc[0], 7) + self.assertEquals(dfr["runtime"].iloc[0], 262875) + self.assertEquals(dfr["vruntime"].iloc[0], 17096359856) + + trappy.unregister_dynamic_ftrace(ftrace_parser) + + def test_get_dataframe(self): + """TestBase: Thermal.data_frame["thermal_zone"] exists and + it contains a known value""" + dfr = trappy.FTrace().thermal.data_frame + + self.assertTrue("thermal_zone" in dfr.columns) + self.assertEquals(dfr["temp"].iloc[0], 68786) + + def test_write_csv(self): + """TestBase: Base::write_csv() creates a valid csv""" + from csv import DictReader + + fname = "thermal.csv" + trappy.FTrace().thermal.write_csv(fname) + + with open(fname) as fin: + csv_reader = DictReader(fin) + + self.assertTrue("Time" in csv_reader.fieldnames) + self.assertTrue("temp" in csv_reader.fieldnames) + + first_data = csv_reader.next() + self.assertEquals(first_data["Time"], "0.0") + self.assertEquals(first_data["temp"], "68786") + + def test_normalize_time(self): + """TestBase: Base::normalize_time() normalizes the time of the trace""" + thrm = trappy.FTrace().thermal + + last_prev_time = thrm.data_frame.index[-1] + + basetime = thrm.data_frame.index[0] + thrm.normalize_time(basetime) + + last_time = thrm.data_frame.index[-1] + expected_last_time = last_prev_time - basetime + + self.assertEquals(round(thrm.data_frame.index[0], 7), 0) + self.assertEquals(round(last_time - expected_last_time, 7), 0) + + def test_equals_in_field_value(self): + """TestBase: Can parse events with fields with values containing '='""" + trace = trappy.FTrace("trace_equals.txt", events=['equals_event']) + + df = trace.equals_event.data_frame + self.assertSetEqual(set(df.columns), + set(["__comm", "__pid", "__tgid", "__cpu", "my_field"])) + self.assertListEqual(df["my_field"].tolist(), + ["foo", "foo=bar", "foo=bar=baz", 1, + "1=2", "1=foo", "1foo=2"]) |