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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 network
import (
"context"
"fmt"
"testing"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/test/benchmarks/harness"
"gvisor.dev/gvisor/test/benchmarks/tools"
)
// BenchmarkNginxConcurrency iterates the concurrency argument and tests
// how well the runtime under test handles requests in parallel.
// TODO(zkoopmans): Update with different doc sizes like Httpd.
func BenchmarkNginxConcurrency(b *testing.B) {
// Grab a machine for the client and server.
clientMachine, err := h.GetMachine()
if err != nil {
b.Fatalf("failed to get client: %v", err)
}
defer clientMachine.CleanUp()
serverMachine, err := h.GetMachine()
if err != nil {
b.Fatalf("failed to get server: %v", err)
}
defer serverMachine.CleanUp()
concurrency := []int{1, 5, 10, 25}
for _, c := range concurrency {
b.Run(fmt.Sprintf("%d", c), func(b *testing.B) {
hey := &tools.Hey{
Requests: 10000,
Concurrency: c,
}
runNginx(b, clientMachine, serverMachine, hey)
})
}
}
// runHttpd runs a single test run.
func runNginx(b *testing.B, clientMachine, serverMachine harness.Machine, hey *tools.Hey) {
b.Helper()
// Grab a container from the server.
ctx := context.Background()
server := serverMachine.GetContainer(ctx, b)
defer server.CleanUp(ctx)
port := 80
// Start the server.
if err := server.Spawn(ctx,
dockerutil.RunOpts{
Image: "benchmarks/nginx",
Ports: []int{port},
}); err != nil {
b.Fatalf("server failed to start: %v", err)
}
ip, err := serverMachine.IPAddress()
if err != nil {
b.Fatalf("failed to find server ip: %v", err)
}
servingPort, err := server.FindPort(ctx, port)
if err != nil {
b.Fatalf("failed to find server port %d: %v", port, err)
}
// Check the server is serving.
harness.WaitUntilServing(ctx, clientMachine, ip, servingPort)
// Grab a client.
client := clientMachine.GetNativeContainer(ctx, b)
defer client.CleanUp(ctx)
b.ResetTimer()
server.RestartProfiles()
for i := 0; i < b.N; i++ {
out, err := client.Run(ctx, dockerutil.RunOpts{
Image: "benchmarks/hey",
}, hey.MakeCmd(ip, servingPort)...)
if err != nil {
b.Fatalf("run failed with: %v", err)
}
b.StopTimer()
hey.Report(b, out)
b.StartTimer()
}
}
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