diff options
Diffstat (limited to 'test/benchmarks/base/startup_test.go')
-rw-r--r-- | test/benchmarks/base/startup_test.go | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/test/benchmarks/base/startup_test.go b/test/benchmarks/base/startup_test.go new file mode 100644 index 000000000..4628a0a41 --- /dev/null +++ b/test/benchmarks/base/startup_test.go @@ -0,0 +1,156 @@ +// 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 base + +import ( + "context" + "fmt" + "net" + "testing" + "time" + + "gvisor.dev/gvisor/pkg/test/dockerutil" + "gvisor.dev/gvisor/test/benchmarks/harness" +) + +// BenchmarkStartEmpty times startup time for an empty container. +func BenchmarkStartupEmpty(b *testing.B) { + machine, err := testHarness.GetMachine() + if err != nil { + b.Fatalf("failed to get machine: %v", err) + } + defer machine.CleanUp() + + ctx := context.Background() + for i := 0; i < b.N; i++ { + container := machine.GetContainer(ctx, b) + defer container.CleanUp(ctx) + if _, err := container.Run(ctx, dockerutil.RunOpts{ + Image: "benchmarks/alpine", + }, "true"); err != nil { + b.Fatalf("failed to run container: %v", err) + } + } +} + +// BenchmarkStartupNginx times startup for a Nginx instance. +// Time is measured from start until the first request is served. +func BenchmarkStartupNginx(b *testing.B) { + // The machine to hold Nginx and the Node Server. + machine, err := testHarness.GetMachine() + if err != nil { + b.Fatalf("failed to get machine with: %v", err) + } + defer machine.CleanUp() + + ctx := context.Background() + runOpts := dockerutil.RunOpts{ + Image: "benchmarks/nginx", + } + runServerWorkload(ctx, b, + serverArgs{ + machine: machine, + runOpts: runOpts, + port: 80, + }) +} + +// BenchmarkStartupNode times startup for a Node application instance. +// Time is measured from start until the first request is served. +// Note that the Node app connects to a Redis instance before serving. +func BenchmarkStartupNode(b *testing.B) { + machine, err := testHarness.GetMachine() + if err != nil { + b.Fatalf("failed to get machine with: %v", err) + } + defer machine.CleanUp() + + ctx := context.Background() + redis, redisIP := redisInstance(ctx, b, machine) + defer redis.CleanUp(ctx) + runOpts := dockerutil.RunOpts{ + Image: "benchmarks/node", + WorkDir: "/usr/src/app", + Links: []string{redis.MakeLink("redis")}, + } + + cmd := []string{"node", "index.js", redisIP.String()} + runServerWorkload(ctx, b, + serverArgs{ + machine: machine, + port: 8080, + runOpts: runOpts, + cmd: cmd, + }) +} + +// redisInstance returns a Redis container and its reachable IP. +func redisInstance(ctx context.Context, b *testing.B, machine harness.Machine) (*dockerutil.Container, net.IP) { + b.Helper() + // Spawn a redis instance for the app to use. + redis := machine.GetNativeContainer(ctx, b) + if err := redis.Spawn(ctx, dockerutil.RunOpts{ + Image: "benchmarks/redis", + }); err != nil { + redis.CleanUp(ctx) + b.Fatalf("failed to spwan redis instance: %v", err) + } + + if out, err := redis.WaitForOutput(ctx, "Ready to accept connections", 3*time.Second); err != nil { + redis.CleanUp(ctx) + b.Fatalf("failed to start redis server: %v %s", err, out) + } + redisIP, err := redis.FindIP(ctx, false) + if err != nil { + redis.CleanUp(ctx) + b.Fatalf("failed to get IP from redis instance: %v", err) + } + return redis, redisIP +} + +// runServerWorkload runs a server workload defined by 'runOpts' and 'cmd'. +// 'clientMachine' is used to connect to the server on 'serverMachine'. +func runServerWorkload(ctx context.Context, b *testing.B, args serverArgs) { + b.Helper() + + b.ResetTimer() + for i := 0; i < b.N; i++ { + if err := func() error { + server := args.machine.GetContainer(ctx, b) + defer func() { + b.StopTimer() + // Cleanup servers as we run so that we can go indefinitely. + server.CleanUp(ctx) + b.StartTimer() + }() + if err := server.Spawn(ctx, args.runOpts, args.cmd...); err != nil { + return fmt.Errorf("failed to spawn node instance: %v", err) + } + + servingIP, err := server.FindIP(ctx, false) + if err != nil { + return fmt.Errorf("failed to get ip from server: %v", err) + } + + // Wait until the Client sees the server as up. + if err := harness.WaitUntilServing(ctx, args.machine, servingIP, args.port); err != nil { + return fmt.Errorf("failed to wait for serving: %v", err) + } + return nil + }(); err != nil { + b.Fatal(err) + } + } +} |