| #!/usr/bin/env python |
| # |
| # Copyright (C) 2016 The Android Open Source Project |
| # |
| # 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 logging |
| |
| from vts.proto import VtsReportMessage_pb2 as ReportMsg |
| from vts.runners.host import asserts |
| from vts.runners.host import base_test |
| from vts.runners.host import const |
| from vts.runners.host import test_runner |
| from vts.utils.python.controllers import android_device |
| from vts.utils.python.cpu import cpu_frequency_scaling |
| |
| # number of threads to use when running the throughput tests on target. |
| _THREAD_LIST = [2, 3, 4, 5, 7, 10, 30, 50, 70, 100] |
| |
| _ITERATIONS_PER_SECOND = "iterations_per_second" |
| _TIME_AVERAGE = "time_average" |
| _TIME_WORST = "time_worst" |
| _TIME_BEST = "time_best" |
| _TIME_PERCENTILE = "time_percentile" |
| |
| |
| class HwBinderThroughputBenchmark(base_test.BaseTestClass): |
| """A test case for the binder throughput benchmarking.""" |
| |
| def setUpClass(self): |
| required_params = ["hidl_hal_mode"] |
| self.getUserParams(required_params) |
| self.dut = self.android_devices[0] |
| self._cpu_freq = cpu_frequency_scaling.CpuFrequencyScalingController(self.dut) |
| self._cpu_freq.DisableCpuScaling() |
| |
| def setUp(self): |
| self._cpu_freq.SkipIfThermalThrottling(retry_delay_secs=30) |
| |
| def tearDown(self): |
| self._cpu_freq.SkipIfThermalThrottling() |
| |
| def tearDownClass(self): |
| self._cpu_freq.EnableCpuScaling() |
| |
| def testRunBenchmark32Bit(self): |
| """A test case which runs the 32-bit benchmark.""" |
| self.RunBenchmarkAndReportResult(32) |
| |
| def testRunBenchmark64Bit(self): |
| """A test case which runs the 64-bit benchmark.""" |
| self.RunBenchmarkAndReportResult(64) |
| |
| def RunBenchmarkAndReportResult(self, bits): |
| """Runs the native binary and stores its result to the web DB. |
| |
| Args: |
| bits: integer (32 or 64), the number of bits in a word chosen |
| at the compile time (e.g., 32- vs. 64-bit library). |
| """ |
| labels = [] |
| iterations_per_second = [] |
| time_average = [] |
| time_best = [] |
| time_worst = [] |
| time_percentile_50 = [] |
| time_percentile_90 = [] |
| time_percentile_95 = [] |
| time_percentile_99 = [] |
| |
| for thread in _THREAD_LIST: |
| result = self.RunBenchmark(bits, thread) |
| labels.append("%s_thread" % thread) |
| iterations_per_second.append(result["iterations_per_second"]) |
| time_average.append(result["time_average"]) |
| time_best.append(result["time_best"]) |
| time_worst.append(result["time_worst"]) |
| time_percentile_50.append(result["time_percentile"][50]) |
| time_percentile_90.append(result["time_percentile"][90]) |
| time_percentile_95.append(result["time_percentile"][95]) |
| time_percentile_99.append(result["time_percentile"][99]) |
| |
| # To upload to the web DB. |
| self.web.AddProfilingDataLabeledVector( |
| "hwbinder_throughput_iterations_per_second_%sbits" % bits, |
| labels, iterations_per_second, x_axis_label="Number of Threads", |
| y_axis_label="HwBinder RPC Iterations Per Second", |
| regression_mode=ReportMsg.VTS_REGRESSION_MODE_DISABLED) |
| |
| self.web.AddProfilingDataLabeledVector( |
| "hwbinder_throughput_time_average_ns_%sbits" % bits, |
| labels, time_average, x_axis_label="Number of Threads", |
| y_axis_label="HwBinder RPC Time - Average (nanoseconds)", |
| regression_mode=ReportMsg.VTS_REGRESSION_MODE_DISABLED) |
| self.web.AddProfilingDataLabeledVector( |
| "hwbinder_throughput_time_best_ns_%sbits" % bits, |
| labels, time_best, x_axis_label="Number of Threads", |
| y_axis_label="HwBinder RPC Time - Best Case (nanoseconds)") |
| self.web.AddProfilingDataLabeledVector( |
| "hwbinder_throughput_time_worst_ns_%sbits" % bits, |
| labels, time_worst, x_axis_label="Number of Threads", |
| y_axis_label="HwBinder RPC Time - Worst Case (nanoseconds)", |
| regression_mode=ReportMsg.VTS_REGRESSION_MODE_DISABLED) |
| |
| self.web.AddProfilingDataLabeledVector( |
| "hwbinder_throughput_time_50percentile_ns_%sbits" % bits, |
| labels, time_percentile_50, x_axis_label="Number of Threads", |
| y_axis_label="HwBinder RPC Time - 50 Percentile (nanoseconds)", |
| regression_mode=ReportMsg.VTS_REGRESSION_MODE_DISABLED) |
| self.web.AddProfilingDataLabeledVector( |
| "hwbinder_throughput_time_90percentile_ns_%sbits" % bits, |
| labels, time_percentile_90, x_axis_label="Number of Threads", |
| y_axis_label="HwBinder RPC Time - 90 Percentile (nanoseconds)", |
| regression_mode=ReportMsg.VTS_REGRESSION_MODE_DISABLED) |
| self.web.AddProfilingDataLabeledVector( |
| "hwbinder_throughput_time_95percentile_ns_%sbits" % bits, |
| labels, time_percentile_95, x_axis_label="Number of Threads", |
| y_axis_label="HwBinder RPC Time - 95 Percentile (nanoseconds)", |
| regression_mode=ReportMsg.VTS_REGRESSION_MODE_DISABLED) |
| self.web.AddProfilingDataLabeledVector( |
| "hwbinder_throughput_time_99percentile_ns_%sbits" % bits, |
| labels, time_percentile_99, x_axis_label="Number of Threads", |
| y_axis_label="HwBinder RPC Time - 99 Percentile (nanoseconds)", |
| regression_mode=ReportMsg.VTS_REGRESSION_MODE_DISABLED) |
| |
| def RunBenchmark(self, bits, threads): |
| """Runs the native binary and parses its result. |
| |
| Args: |
| bits: integer (32 or 64), the number of bits in a word chosen |
| at the compile time (e.g., 32- vs. 64-bit library). |
| threads: positive integer, the number of threads to use. |
| |
| Returns: |
| a dict which contains the benchmarking result where the keys are: |
| 'iterations_per_second', 'time_average', 'time_worst', |
| 'time_best', 'time_percentile'. |
| """ |
| # Runs the benchmark. |
| logging.info("Start to run the benchmark with HIDL mode %s (%s bit mode)", |
| self.hidl_hal_mode, bits) |
| binary = "/data/local/tmp/%s/hwbinderThroughputTest%s" % (bits, bits) |
| |
| results = self.dut.shell.Execute( |
| ["chmod 755 %s" % binary, |
| "VTS_ROOT_PATH=/data/local/tmp " \ |
| "LD_LIBRARY_PATH=/system/lib%s:/data/local/tmp/%s/hw:" |
| "/data/local/tmp/%s:" |
| "$LD_LIBRARY_PATH %s -m %s -w %s" % (bits, bits, bits, binary, self.hidl_hal_mode.encode("utf-8"), threads)]) |
| |
| # Parses the result. |
| asserts.assertEqual(len(results[const.STDOUT]), 2) |
| logging.info("stderr: %s", results[const.STDERR][1]) |
| stdout_lines = results[const.STDOUT][1].split("\n") |
| logging.info("stdout: %s", stdout_lines) |
| |
| asserts.assertFalse( |
| any(results[const.EXIT_CODE]), |
| "testRunBenchmark%sBit(%s thread) failed." % (bits, threads)) |
| |
| # To upload to the web DB. |
| summary = {} |
| index = next(i for i, string in enumerate(stdout_lines) |
| if "iterations per sec:" in string) |
| summary[_ITERATIONS_PER_SECOND] = int(float( |
| stdout_lines[index].replace("iterations per sec: ", ""))) |
| # an example is 'iterations per sec: 34868.7' |
| |
| index = next(i for i, string in enumerate(stdout_lines) |
| if "average:" in string) |
| stats_string = stdout_lines[index].split() |
| # an example is 'average:0.0542985ms worst:0.314584ms best:0.02651ms' |
| summary[_TIME_AVERAGE] = int(float( |
| stats_string[0].replace( |
| "average:", "").replace("ms", "")) * 1000000) |
| summary[_TIME_WORST] = int(float( |
| stats_string[1].replace("worst:", "").replace("ms", "")) * 1000000) |
| summary[_TIME_BEST] = int(float( |
| stats_string[2].replace("best:", "").replace("ms", "")) * 1000000) |
| |
| index = next(i for i, string in enumerate(stdout_lines) |
| if "50%: " in string) |
| percentiles_string = stdout_lines[index].split() |
| summary[_TIME_PERCENTILE] = {} |
| summary[_TIME_PERCENTILE][50] = int(float(percentiles_string[1]) |
| * 1000000) |
| summary[_TIME_PERCENTILE][90] = int(float(percentiles_string[3]) |
| * 1000000) |
| summary[_TIME_PERCENTILE][95] = int(float(percentiles_string[5]) |
| * 1000000) |
| summary[_TIME_PERCENTILE][99] = int(float(percentiles_string[7]) |
| * 1000000) |
| return summary |
| |
| if __name__ == "__main__": |
| test_runner.main() |
