#!/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()