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diskspd_benchmark.py
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# Copyright 2018 PerfKitBenchmarker Authors. All rights reserved.
#
# 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.
"""Run DiskSpd in a single VM."""
from absl import flags
from perfkitbenchmarker import configs
from perfkitbenchmarker.windows_packages import diskspd
FLAGS = flags.FLAGS
BENCHMARK_NAME = 'diskspd'
BENCHMARK_CONFIG = """
diskspd:
description: Run diskspd on a single machine
vm_groups:
default:
vm_spec: *default_single_core
vm_count: 1
disk_spec: *default_500_gb
"""
def GetConfig(user_config):
return configs.LoadConfig(BENCHMARK_CONFIG, user_config, BENCHMARK_NAME)
def Prepare(benchmark_spec):
vm = benchmark_spec.vms[0]
vm.Install('diskspd')
def Run(benchmark_spec):
"""Measure the disk performance in one VM.
Args:
benchmark_spec: The benchmark specification. Contains all data that is
required to run the benchmark.
Returns:
A list of sample.Sample objects with the benchmark results.
"""
vm = benchmark_spec.vms[0]
results = []
results.extend(diskspd.RunDiskSpd(vm))
return results
def Cleanup(unused_benchmark_spec):
pass