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