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# python3
# Copyright 2019 Google LLC
#
# 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.
"""Syscall microbenchmark."""
from benchmarks import suites
from benchmarks.harness import machine
from benchmarks.workloads.syscall import syscall_time_ns
@suites.benchmark(metrics=[syscall_time_ns], machines=1)
def syscall(target: machine.Machine, count: int = 1000000, **kwargs) -> str:
"""Runs the syscall workload and report the syscall time.
Runs the syscall 'SYS_gettimeofday(0,0)' 'count' times and monitors time
elapsed based on the runtime's MONOTONIC clock.
Args:
target: A machine object.
count: The number of syscalls to execute.
**kwargs: Additional container options.
Returns:
Container output.
"""
image = target.pull("syscall")
return target.container(image, **kwargs).run(count=count)
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