gvisor/benchmarks/suites/media.py

43 lines
1.3 KiB
Python

# 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.
"""Media processing benchmarks."""
from benchmarks import suites
from benchmarks.harness import machine
from benchmarks.suites import helpers
from benchmarks.workloads import ffmpeg
@suites.benchmark(metrics=[ffmpeg.run_time], machines=1)
def transcode(target: machine.Machine, **kwargs) -> float:
"""Runs a video transcoding workload and times it.
Args:
target: A machine object.
**kwargs: Additional container options.
Returns:
Total workload runtime.
"""
# Load before timing.
image = target.pull("ffmpeg")
# Drop caches.
helpers.drop_caches(target)
# Time startup + transcoding.
with helpers.Timer() as timer:
target.container(image, **kwargs).run()
return timer.elapsed()