4 files changed, 112 insertions, 0 deletions
diff --git a/test/benchmarks/harness/util.go b/test/benchmarks/harness/util.go
index eda2eeffb..bc551c582 100644
--- a/test/benchmarks/harness/util.go
+++ b/test/benchmarks/harness/util.go
@@ -36,3 +36,11 @@ func WaitUntilServing(ctx context.Context, machine Machine, server net.IP, port
 	}, "sh", "-c", cmd)
 	return err
 }
+
+// DropCaches drops caches on the provided machine. Requires root.
+func DropCaches(machine Machine) error {
+	if out, err := machine.RunCommand("/bin/sh", "-c", "sync | sysctl vm.drop_caches=3"); err != nil {
+		return fmt.Errorf("failed to drop caches: %v logs: %s", err, out)
+	}
+	return nil
+}
diff --git a/test/benchmarks/media/BUILD b/test/benchmarks/media/BUILD
new file mode 100644
index 000000000..6c41fc4f6
--- /dev/null
+++ b/test/benchmarks/media/BUILD
@@ -0,0 +1,21 @@
+load("//tools:defs.bzl", "go_library", "go_test")
+
+package(licenses = ["notice"])
+
+go_library(
+    name = "media",
+    testonly = 1,
+    srcs = ["media.go"],
+    deps = ["//test/benchmarks/harness"],
+)
+
+go_test(
+    name = "media_test",
+    size = "large",
+    srcs = ["ffmpeg_test.go"],
+    library = ":media",
+    deps = [
+        "//pkg/test/dockerutil",
+        "//test/benchmarks/harness",
+    ],
+)
diff --git a/test/benchmarks/media/ffmpeg_test.go b/test/benchmarks/media/ffmpeg_test.go
new file mode 100644
index 000000000..bfcfbab80
--- /dev/null
+++ b/test/benchmarks/media/ffmpeg_test.go
@@ -0,0 +1,52 @@
+// 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"
+	"strings"
+	"testing"
+
+	"gvisor.dev/gvisor/pkg/test/dockerutil"
+	"gvisor.dev/gvisor/test/benchmarks/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()
+	container := machine.GetContainer(ctx, b)
+	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()
+		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)
+		}
+	}
+}
diff --git a/test/benchmarks/media/media.go b/test/benchmarks/media/media.go
new file mode 100644
index 000000000..c7b35b758
--- /dev/null
+++ b/test/benchmarks/media/media.go
@@ -0,0 +1,31 @@
+// 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 holds benchmarks around media processing applications.
+package media
+
+import (
+	"os"
+	"testing"
+
+	"gvisor.dev/gvisor/test/benchmarks/harness"
+)
+
+var h harness.Harness
+
+// TestMain is the main method for package media.
+func TestMain(m *testing.M) {
+	h.Init()
+	os.Exit(m.Run())
+}