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// Copyright 2020 The gVisor Authors.
//
// 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.
package media
import (
"context"
"os"
"strings"
"testing"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/test/benchmarks/harness"
)
var h harness.Harness
// BenchmarkFfmpeg runs ffmpeg in a container and records runtime.
// BenchmarkFfmpeg should run as root to drop caches.
func BenchmarkFfmpeg(b *testing.B) {
machine, err := h.GetMachine()
if err != nil {
b.Fatalf("failed to get machine: %v", err)
}
defer machine.CleanUp()
ctx := context.Background()
cmd := strings.Split("ffmpeg -i video.mp4 -c:v libx264 -preset veryslow output.mp4", " ")
b.ResetTimer()
for i := 0; i < b.N; i++ {
b.StopTimer()
container := machine.GetContainer(ctx, b)
defer container.CleanUp(ctx)
if err := harness.DropCaches(machine); err != nil {
b.Skipf("failed to drop caches: %v. You probably need root.", err)
}
b.StartTimer()
if _, err := container.Run(ctx, dockerutil.RunOpts{
Image: "benchmarks/ffmpeg",
}, cmd...); err != nil {
b.Fatalf("failed to run container: %v", err)
}
}
}
func TestMain(m *testing.M) {
h.Init()
os.Exit(m.Run())
}
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