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#!/usr/bin/python
import unittest
import os, sys
import matplotlib, re, shutil, tempfile
import pandas as pd
import utils_tests
from cr2 import Thermal, ThermalGovernor
sys.path.append(os.path.join(utils_tests.TESTS_DIRECTORY, "..", "cr2"))
import thermal
class TestThermalMethods(unittest.TestCase):
"""Test simple methods that don't need to set up a directory"""
def test_trace_parser_explode_array(self):
"""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"
self.assertEquals(thermal.trace_parser_explode_array(line), expected)
def test_trace_parser_explode_array_nop(self):
"""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"
self.assertEquals(thermal.trace_parser_explode_array(line), line)
def test_trace_parser_explode_array_2(self):
"""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"
self.assertEquals(thermal.trace_parser_explode_array(line), expected)
class BaseTestThermal(utils_tests.SetupDirectory):
def __init__(self, *args, **kwargs):
super(BaseTestThermal, self).__init__(
["trace.dat"],
*args,
**kwargs)
class TestThermalBase(utils_tests.SetupDirectory):
"""Incomplete tests for the ThermalBase class"""
def __init__(self, *args, **kwargs):
super(TestThermalBase, self).__init__(
[],
*args,
**kwargs)
def test_parse_into_csv_empty_array(self):
"""Test that trace that has an empty array creates valid csv"""
in_data = """ kworker/4:1-397 [004] 720.741315: thermal_power_actor_cpu_get_dyn_power: cpus=000000f0 freq=1900000 raw_cpu_power=1259 load={} power=61
kworker/4:1-397 [004] 720.741349: thermal_power_actor_cpu_get_dyn_power: cpus=0000000f freq=1400000 raw_cpu_power=189 load={} power=14"""
expected_header = "Time,cpus,freq,raw_cpu_power,power"
expected_first_data = "720.741315,000000f0,1900000,1259,61"
with open("trace.txt", "w") as fout:
fout.write(in_data)
base = thermal.BaseThermal(None, "thermal_power_actor_cpu_get_dyn_power")
base.parse_into_csv()
data_csv_lines = base.data_csv.split('\n')
self.assertEquals(data_csv_lines[0], expected_header)
self.assertEquals(data_csv_lines[1], expected_first_data)
class TestThermal(BaseTestThermal):
def test_get_dataframe(self):
df = Thermal().get_data_frame()
self.assertTrue("thermal_zone" in df.columns)
self.assertEquals(df["temp"].iloc[0], 29000)
def test_plot_temperature(self):
"""Test ThermalGovernor.plot_temperature()
Can't check that the graph is ok, so just see that the method
doesn't blow up
"""
th_data = Thermal()
dfr = th_data.get_data_frame()
ct_series = pd.Series([57, 57], index=(dfr.index[0], dfr.index[-1]))
th_data.plot_temperature()
matplotlib.pyplot.close('all')
th_data.plot_temperature(title="Antutu", control_temperature=ct_series)
matplotlib.pyplot.close('all')
th_data.plot_temperature(title="Antutu", ylim=[0, 60])
matplotlib.pyplot.close('all')
class TestThermalGovernor(BaseTestThermal):
def test_do_txt_if_not_there(self):
c = ThermalGovernor()
found = False
with open("trace.txt") as f:
for line in f:
if re.search("thermal", line):
found = True
break
self.assertTrue(found)
def test_fail_if_no_trace_dat(self):
"""Raise an IOError if there's no trace.dat and trace.txt"""
os.remove("trace.dat")
self.assertRaises(IOError, ThermalGovernor)
def test_get_thermal_csv(self):
ThermalGovernor().write_thermal_csv()
first_data_line = '720.741380,0,61,14,75,2608,5036,756,8400,8400,8511,50000,7000\n'
with open("thermal.csv") as f:
first_line = f.readline()
self.assertTrue(first_line.startswith("Time,Pgpu_in"))
second_line = f.readline()
self.assertEquals(second_line, first_data_line)
def test_get_dataframe(self):
df = ThermalGovernor().get_data_frame()
self.assertTrue(len(df) > 0)
self.assertEquals(df["currT"].iloc[0], 50000)
self.assertTrue("Ptot_out" in df.columns)
self.assertFalse("time" in df.columns)
def test_plot_input_power(self):
"""Test plot_input_power()
Can't check that the graph is ok, so just see that the method doesn't blow up"""
ThermalGovernor().plot_input_power()
ThermalGovernor().plot_input_power(title="Antutu")
matplotlib.pyplot.close('all')
def test_plot_output_power(self):
"""Test plot_output_power()
Can't check that the graph is ok, so just see that the method doesn't blow up"""
ThermalGovernor().plot_output_power()
ThermalGovernor().plot_output_power(title="Antutu")
matplotlib.pyplot.close('all')
def test_plot_inout_power(self):
"""Test plot_inout_power()
Can't check that the graph is ok, so just see that the method doesn't blow up"""
ThermalGovernor().plot_inout_power()
ThermalGovernor().plot_inout_power(title="Antutu")
matplotlib.pyplot.close('all')
def test_other_directory(self):
"""ThermalGovernor can grab the trace.dat from other directories"""
other_random_dir = tempfile.mkdtemp()
os.chdir(other_random_dir)
t = ThermalGovernor(self.out_dir)
df = t.get_data_frame()
self.assertTrue(len(df) > 0)
self.assertEquals(os.getcwd(), other_random_dir)
def test_double_thermal(self):
"""Make sure that multiple invocations of ThermalGovernor work fine
It should memoize the DataFrame() from the call to
get_data_frame() to the plot_temperature() one and the latter
shouldn't bomb
"""
t = ThermalGovernor()
dfr = t.get_data_frame()
t.plot_inout_power()
class TestEmptyThermalGovernor(unittest.TestCase):
def setUp(self):
self.previous_dir = os.getcwd()
self.out_dir = tempfile.mkdtemp()
os.chdir(self.out_dir)
with open("trace.txt", "w") as fout:
fout.write("""version = 6
cpus=8
CPU:7 [204600 EVENTS DROPPED]
<...>-3979 [007] 217.975284: sched_stat_runtime: comm=Thread-103 pid=3979 runtime=5014167 [ns] vruntime=244334517704 [ns]
<...>-3979 [007] 217.975298: sched_task_load_contrib: comm=Thread-103 pid=3979 load_contrib=2500
<...>-3979 [007] 217.975314: sched_task_runnable_ratio: comm=Thread-103 pid=3979 ratio=1023
<...>-3979 [007] 217.975332: sched_rq_runnable_ratio: cpu=7 ratio=1023
<...>-3979 [007] 217.975345: sched_rq_runnable_load: cpu=7 load=127
<...>-3979 [007] 217.975366: softirq_raise: vec=7 [action=SCHED]
<...>-3979 [007] 217.975446: irq_handler_exit: irq=163 ret=handled
<...>-3979 [007] 217.975502: softirq_entry: vec=1 [action=TIMER]
<...>-3979 [007] 217.975523: softirq_exit: vec=1 [action=TIMER]
<...>-3979 [007] 217.975535: softirq_entry: vec=7 [action=SCHED]
<...>-3979 [007] 217.975559: sched_rq_runnable_ratio: cpu=7 ratio=1023
<...>-3979 [007] 217.975571: sched_rq_runnable_load: cpu=7 load=127
<...>-3979 [007] 217.975584: softirq_exit: vec=7 [action=SCHED]
<...>-3979 [007] 217.980139: irq_handler_entry: irq=163 name=mct_tick7
<...>-3979 [007] 217.980216: softirq_raise: vec=1 [action=TIMER]
<...>-3979 [007] 217.980253: sched_stat_runtime: comm=Thread-103 pid=3979 runtime=4990542 [ns] vruntime=244336561007 [ns]
<...>-3979 [007] 217.980268: sched_task_load_contrib: comm=Thread-103 pid=3979 load_contrib=2500""")
def tearDown(self):
os.chdir(self.previous_dir)
shutil.rmtree(self.out_dir)
def test_empty_trace_txt(self):
df = ThermalGovernor().get_data_frame()
self.assertEquals(len(df), 0)
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