mirror of
https://github.com/ARM-software/workload-automation.git
synced 2025-01-19 20:34:30 +00:00
77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
|
# Copyright 2013-2015 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=E1101,W0201
|
||
|
|
|
||
|
|
import os
|
||
|
|
import re
|
||
|
|
|
||
|
|
from wlauto import Workload, Parameter
|
||
|
|
|
||
|
|
|
||
|
|
THIS_DIR = os.path.dirname(__file__)
|
||
|
|
|
||
|
|
|
||
|
|
RESULT_REGEX = re.compile('Total time: ([\d.]+) s.*Bandwidth: ([\d.]+) MB/s', re.S)
|
||
|
|
|
||
|
|
|
||
|
|
class MemcpyTest(Workload):
|
||
|
|
|
||
|
|
name = 'memcpy'
|
||
|
|
description = """
|
||
|
|
Runs memcpy in a loop.
|
||
|
|
|
||
|
|
This will run memcpy in a loop for a specified number of times on a buffer
|
||
|
|
of a specified size. Additionally, the affinity of the test can be set to one
|
||
|
|
or more specific cores.
|
||
|
|
|
||
|
|
This workload is single-threaded. It genrates no scores or metrics by itself.
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
parameters = [
|
||
|
|
Parameter('buffer_size', kind=int, default=1024 * 1024 * 5,
|
||
|
|
description='Specifies the size, in bytes, of the buffer to be copied.'),
|
||
|
|
Parameter('iterations', kind=int, default=1000,
|
||
|
|
description='Specfies the number of iterations that will be performed.'),
|
||
|
|
Parameter('cpus', kind=list, default=[],
|
||
|
|
description="""A list of integers specifying ordinals of cores to which the affinity
|
||
|
|
of the test process should be set. If not specified, all avaiable cores
|
||
|
|
will be used.
|
||
|
|
"""),
|
||
|
|
]
|
||
|
|
|
||
|
|
def setup(self, context):
|
||
|
|
self.host_binary = os.path.join(THIS_DIR, 'memcpy')
|
||
|
|
if not self.device.is_installed('memcpy'):
|
||
|
|
self.device_binary = self.device.install(self.host_binary)
|
||
|
|
else:
|
||
|
|
self.device_binary = 'memcpy'
|
||
|
|
self.command = '{} -i {} -s {}'.format(self.device_binary, self.iterations, self.buffer_size)
|
||
|
|
if self.cpus:
|
||
|
|
for c in self.cpus:
|
||
|
|
self.command += ' -c {}'.format(c)
|
||
|
|
|
||
|
|
def run(self, context):
|
||
|
|
self.result = self.device.execute(self.command, timeout=300)
|
||
|
|
|
||
|
|
def update_result(self, context):
|
||
|
|
match = RESULT_REGEX.search(self.result)
|
||
|
|
context.result.add_metric('time', float(match.group(1)), 'seconds', lower_is_better=True)
|
||
|
|
context.result.add_metric('bandwidth', float(match.group(2)), 'MB/s')
|
||
|
|
|
||
|
|
def teardown(self, context):
|
||
|
|
pass
|