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If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/wlauto/workloads/stress_ng/__init__.py b/wlauto/workloads/stress_ng/__init__.py new file mode 100644 index 00000000..00a75daa --- /dev/null +++ b/wlauto/workloads/stress_ng/__init__.py @@ -0,0 +1,107 @@ +# Copyright 2015 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. +# pylint: disable=attribute-defined-outside-init +import os +import yaml + +from wlauto import Workload, Parameter, Executable +from wlauto.exceptions import WorkloadError, ConfigError + + +class StressNg(Workload): + + name = 'stress_ng' + description = """ + stress-ng will stress test a computer system in various selectable ways. It + was designed to exercise various physical subsystems of a computer as well + as the various operating system kernel interfaces. + + stress-ng can also measure test throughput rates; this can be useful to + observe performance changes across different operating system releases or + types of hardware. However, it has never been intended to be used as a + precise benchmark test suite, so do NOT use it in this manner. + + The official website for stress-ng is at: + http://kernel.ubuntu.com/~cking/stress-ng/ + + Source code are available from: + http://kernel.ubuntu.com/git/cking/stress-ng.git/ + """ + + parameters = [ + Parameter('stressor', kind=str, default='cpu', + allowed_values=['cpu', 'io', 'fork', 'switch', 'vm', 'pipe', + 'yield', 'hdd', 'cache', 'sock', 'fallocate', + 'flock', 'affinity', 'timer', 'dentry', + 'urandom', 'sem', 'open', 'sigq', 'poll'], + description='Stress test case name. The cases listed in ' + 'allowed values come from the stable release ' + 'version 0.01.32. The binary included here ' + 'compiled from dev version 0.06.01. Refer to ' + 'man page for the definition of each stressor.'), + Parameter('threads', kind=int, default=0, + description='The number of workers to run. Specifying a ' + 'negative or zero value will select the number ' + 'of online processors.'), + Parameter('duration', kind=int, default=60, + description='Timeout for test execution in seconds') + ] + + def initialize(self, context): + if not self.device.is_rooted: + raise WorkloadError('stress-ng requires root premissions to run') + + def validate(self): + if self.stressor == 'vm' and self.duration < 60: + raise ConfigError('vm test duration need to be >= 60s.') + + def setup(self, context): + host_binary = context.resolver.get(Executable(self, self.device.abi, + 'stress-ng')) + self.binary = self.device.install_if_needed(host_binary) + self.log = self.device.path.join(self.device.working_directory, + 'stress_ng_output.txt') + self.results = self.device.path.join(self.device.working_directory, + 'stress_ng_results.yaml') + self.command = ('{} --{} {} --timeout {}s --log-file {} --yaml {} ' + '--metrics-brief --verbose' + .format(self.binary, self.stressor, self.threads, + self.duration, self.log, self.results)) + self.timeout = self.duration + 10 + + def run(self, context): + self.output = self.device.execute(self.command, timeout=self.timeout, + as_root=True) + + def update_result(self, context): + host_file_log = os.path.join(context.output_directory, + 'stress_ng_output.txt') + host_file_results = os.path.join(context.output_directory, + 'stress_ng_results.yaml') + self.device.pull_file(self.log, host_file_log) + self.device.pull_file(self.results, host_file_results) + + with open(host_file_results, 'r') as stress_ng_results: + results = yaml.load(stress_ng_results) + + try: + metric = results['metrics'][0]['stressor'] + throughput = results['metrics'][0]['bogo-ops'] + context.result.add_metric(metric, throughput, 'ops') + # For some stressors like vm, if test duration is too short, stress_ng + # may not able to produce test throughput rate. + except TypeError: + self.logger.warning('{} test throughput rate not found. ' + 'Please increase test duration and retry.' + .format(self.stressor)) diff --git a/wlauto/workloads/stress_ng/bin/arm64/stress-ng b/wlauto/workloads/stress_ng/bin/arm64/stress-ng new file mode 100755 index 00000000..2fe32230 Binary files /dev/null and b/wlauto/workloads/stress_ng/bin/arm64/stress-ng differ diff --git a/wlauto/workloads/stress_ng/bin/armeabi/stress-ng b/wlauto/workloads/stress_ng/bin/armeabi/stress-ng new file mode 100755 index 00000000..09f09470 Binary files /dev/null and b/wlauto/workloads/stress_ng/bin/armeabi/stress-ng differ