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https://github.com/ARM-software/workload-automation.git
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2158dd047e
Set target_binary as a class, rather than instance, attribute. This happens only only once per run, and setting it as instance attribute the first time, makes it unavailable for subsequent instances of the same workload.
97 lines
3.7 KiB
Python
97 lines
3.7 KiB
Python
# Copyright 2013-2015 ARM Limited
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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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# pylint: disable=W0201, C0103
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import os
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import re
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from wa import Workload, Parameter, Executable
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from wa.utils.exec_control import once
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timeout_buffer = 10
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hackbench_results_txt = 'hackbench_results.txt'
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regex_map = {"total_groups": (re.compile(r'(\d+) groups'), "groups"),
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"total_fd": (re.compile(r'(\d+) file descriptors'), "file_descriptors"),
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"total_messages": (re.compile(r'(\d+) messages'), "messages"),
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"total_bytes": (re.compile(r'(\d+) bytes'), "bytes"),
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"test_time": (re.compile(r'Time: (\d+.*)'), "seconds")
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}
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class Hackbench(Workload):
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name = 'hackbench'
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description = """
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Hackbench runs a series of tests for the Linux scheduler.
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For details, go to:
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https://github.com/linux-test-project/ltp/
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"""
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parameters = [
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Parameter('duration', kind=int, default=30, description='Test duration in seconds.'),
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Parameter('datasize', kind=int, default=100, description='Message size in bytes.'),
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Parameter('groups', kind=int, default=10, description='Number of groups.'),
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Parameter('loops', kind=int, default=100, description='Number of loops.'),
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Parameter('fds', kind=int, default=40, description='Number of file descriptors.'),
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Parameter('extra_params', kind=str, default='',
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description='''
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Extra parameters to pass in. See the hackbench man page
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or type `hackbench --help` for list of options.
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'''),
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]
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binary_name = 'hackbench'
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@once
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def initialize(self, context):
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host_binary = context.resolver.get(Executable(self, self.target.abi, self.binary_name))
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Hackbench.target_binary = self.target.install(host_binary)
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def setup(self, context):
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self.target_output_file = self.target.get_workpath(hackbench_results_txt)
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self.run_timeout = self.duration + timeout_buffer
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command_format = '{} -s {} -g {} -l {} {} > {}'
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self.command = command_format.format(self.target_binary, self.datasize, self.groups,
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self.loops, self.extra_params, self.target_output_file)
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def run(self, context):
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self.target.execute(self.command, timeout=self.run_timeout)
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def extract_results(self, context):
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host_output_file = os.path.join(context.output_directory, hackbench_results_txt)
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self.target.pull(self.target_output_file, host_output_file)
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context.add_artifact('hackbench-results', host_output_file, kind='raw')
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def update_output(self, context):
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results_file = context.get_artifact_path('hackbench-results')
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with open(results_file) as fh:
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for line in fh:
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for label, (regex, units) in regex_map.iteritems():
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match = regex.search(line)
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if match:
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context.add_metric(label, float(match.group(1)), units)
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def teardown(self, context):
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self.target.execute('rm -f {}'.format(self.target_output_file))
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@once
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def finalize(self, context):
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self.target.uninstall(self.binary_name)
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