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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 (
"os"
"strconv"
"testing"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/test/benchmarks/harness"
"gvisor.dev/gvisor/test/benchmarks/tools"
)
var h harness.Harness
// see Dockerfile '//images/benchmarks/nginx'.
var nginxDocs = map[string]string{
"notfound": "notfound",
"1Kb": "latin1k.txt",
"10Kb": "latin10k.txt",
"100Kb": "latin100k.txt",
"1Mb": "latin1024k.txt",
"10Mb": "latin10240k.txt",
}
// BenchmarkNginxDocSize iterates over different sized payloads, testing how
// well the runtime handles sending different payload sizes.
func BenchmarkNginxDocSize(b *testing.B) {
benchmarkNginxDocSize(b, false /* reverse */, true /* tmpfs */)
benchmarkNginxDocSize(b, false /* reverse */, false /* tmpfs */)
}
// BenchmarkReverseNginxDocSize iterates over different sized payloads, testing
// how well the runtime handles receiving different payload sizes.
func BenchmarkReverseNginxDocSize(b *testing.B) {
benchmarkNginxDocSize(b, true /* reverse */, true /* tmpfs */)
}
// BenchmarkContinuousNginx runs specific benchmarks for continous jobs.
// The runtime under test is the sever serving a runc client.
func BenchmarkContinuousNginx(b *testing.B) {
sizes := []string{"10Kb", "100Kb", "1Mb"}
threads := []int{1, 25, 100, 1000}
benchmarkNginxContinuous(b, threads, sizes, false /*reverse*/)
}
// BenchmarkContinuousNginxReverse runs specific benchmarks for continous jobs.
// The runtime under test is the client downloading from a runc server.
func BenchmarkContinuousNginxReverse(b *testing.B) {
sizes := []string{"10Kb", "100Kb", "1Mb"}
threads := []int{1, 25, 100, 1000}
benchmarkNginxContinuous(b, threads, sizes, true /*reverse*/)
}
// benchmarkNginxDocSize iterates through all doc sizes, running subbenchmarks
// for each size.
func benchmarkNginxDocSize(b *testing.B, reverse, tmpfs bool) {
for size, filename := range nginxDocs {
concurrency := []int{1, 25, 50, 100, 1000}
for _, c := range concurrency {
fsize := tools.Parameter{
Name: "filesize",
Value: size,
}
threads := tools.Parameter{
Name: "concurrency",
Value: strconv.Itoa(c),
}
fs := tools.Parameter{
Name: "filesystem",
Value: "bind",
}
if tmpfs {
fs.Value = "tmpfs"
}
name, err := tools.ParametersToName(fsize, threads, fs)
if err != nil {
b.Fatalf("Failed to parse parameters: %v", err)
}
requests := b.N
if requests < c {
b.Logf("b.N is %d must be greater than threads %d. Consider running with --test.benchtime=Nx where N >= %d", b.N, c, c)
requests = c
}
b.Run(name, func(b *testing.B) {
hey := &tools.Hey{
Requests: requests,
Concurrency: c,
Doc: filename,
}
runNginx(b, hey, reverse, tmpfs)
})
}
}
}
// benchmarkNginxContinuous iterates through given sizes and concurrencies on a tmpfs mount.
func benchmarkNginxContinuous(b *testing.B, concurrency []int, sizes []string, reverse bool) {
for _, size := range sizes {
filename := nginxDocs[size]
for _, c := range concurrency {
fsize := tools.Parameter{
Name: "filesize",
Value: size,
}
threads := tools.Parameter{
Name: "concurrency",
Value: strconv.Itoa(c),
}
fs := tools.Parameter{
Name: "filesystem",
Value: "tmpfs",
}
name, err := tools.ParametersToName(fsize, threads, fs)
if err != nil {
b.Fatalf("Failed to parse parameters: %v", err)
}
requests := b.N
if requests < c {
b.Logf("b.N is %d must be greater than threads %d. Consider running with --test.benchtime=Nx where N >= %d", b.N, c, c)
requests = c
}
b.Run(name, func(b *testing.B) {
hey := &tools.Hey{
Requests: requests,
Concurrency: c,
Doc: filename,
}
runNginx(b, hey, reverse, true /*tmpfs*/)
})
}
}
}
// runNginx configures the static serving methods to run httpd.
func runNginx(b *testing.B, hey *tools.Hey, reverse, tmpfs bool) {
// nginx runs on port 80.
port := 80
nginxRunOpts := dockerutil.RunOpts{
Image: "benchmarks/nginx",
Ports: []int{port},
}
nginxCmd := []string{"nginx", "-c", "/etc/nginx/nginx_gofer.conf"}
if tmpfs {
nginxCmd = []string{"sh", "-c", "mkdir -p /tmp/html && cp -a /local/* /tmp/html && nginx -c /etc/nginx/nginx.conf"}
}
// Command copies nginxDocs to tmpfs serving directory and runs nginx.
runStaticServer(b, h, nginxRunOpts, nginxCmd, port, hey, reverse)
}
func TestMain(m *testing.M) {
h.Init()
os.Exit(m.Run())
}
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