diff options
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/perftest/README.md | 51 | ||||
| -rw-r--r-- | contrib/perftest/main.go | 283 |
2 files changed, 334 insertions, 0 deletions
diff --git a/contrib/perftest/README.md b/contrib/perftest/README.md new file mode 100644 index 000000000..bd0ef08f5 --- /dev/null +++ b/contrib/perftest/README.md @@ -0,0 +1,51 @@ +## perftest : tool for benchmarking and profiling libpod library +perftest uses libpod as golang library and perform stress test and profile for CPU usage. + +Build: + +``` +# cd $GOPATH/src/github.com/containers/libpod/contrib/perftest +# go build +# go install +``` + +Usage: + +``` +# perftest -h +Usage of perftest: + +-count int + count of loop counter for test (default 50) +-image string + image-name to be used for test (default "docker.io/library/alpine:latest") + +``` + +e.g. + +``` +# perftest +runc version spec: 1.0.1-dev +conmon version 1.12.0-dev, commit: b6c5cafeffa9b3cde89812207b29ccedd3102712 + +preparing test environment... +2018/11/05 16:52:14 profile: cpu profiling enabled, /tmp/profile626959338/cpu.pprof +Test Round: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 +Profile data + + Create Start Stop Delete +Min 0.23s 0.34s 2.12s 0.51s +Avg 0.25s 0.38s 2.13s 0.54s +Max 0.27s 0.48s 2.13s 0.70s +Total 12.33s 18.82s 106.47s 26.91s +2018/11/05 16:54:59 profile: cpu profiling disabled, /tmp/profile626959338/cpu.pprof + +``` + +Analyse CPU profile. + +``` +# go tool pprof -http=":8081" $GOPATH/src/github.com/containers/libpod/contrib/perftest/perftest /tmp/profile626959338/cpu.pprof +``` +- Open http://localhost:8081 in webbrowser
\ No newline at end of file diff --git a/contrib/perftest/main.go b/contrib/perftest/main.go new file mode 100644 index 000000000..0d0947890 --- /dev/null +++ b/contrib/perftest/main.go @@ -0,0 +1,283 @@ +package main + +import ( + "context" + "flag" + "fmt" + "os" + "strings" + "text/tabwriter" + "time" + + "github.com/containers/image/types" + "github.com/containers/libpod/libpod" + image2 "github.com/containers/libpod/libpod/image" + cc "github.com/containers/libpod/pkg/spec" + "github.com/containers/libpod/pkg/util" + "github.com/containers/storage/pkg/reexec" + "github.com/cri-o/ocicni/pkg/ocicni" + "github.com/pkg/profile" + "github.com/sirupsen/logrus" +) + +const ( + defaultTestImage = "docker.io/library/alpine:latest" + defaultRunCount = 50 +) + +var helpMessage = ` +-count int + count of loop counter for test (default 50) +-image string + image-name to be used for test (default "docker.io/library/alpine:latest") +-log string + log level (info|debug|warn|error) (default "error") + +` + +func main() { + + ctx := context.Background() + imageName := "" + + testImageName := flag.String("image", defaultTestImage, "image-name to be used for test") + testRunCount := flag.Int("count", defaultRunCount, "count of loop counter for test") + logLevel := flag.String("log", "error", "log level (info|debug|warn|error)") + + flag.Usage = func() { + fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0]) + fmt.Fprintf(os.Stderr, "%s \n", helpMessage) + } + + flag.Parse() + + if reexec.Init() { + return + } + + switch strings.ToLower(*logLevel) { + case "error": + logrus.SetLevel(logrus.ErrorLevel) + case "warn": + logrus.SetLevel(logrus.WarnLevel) + case "info": + logrus.SetLevel(logrus.InfoLevel) + case "debug": + logrus.SetLevel(logrus.DebugLevel) + default: + logrus.Fatalf("invalid option : %s ", *logLevel) + } + + opts := defaultRuntimeOptions() + client, err := libpod.NewRuntime(opts...) + if err != nil { + logrus.Fatal(err) + } + defer client.Shutdown(false) + + // Print Runtime & System Information. + err = printSystemInfo(client) + if err != nil { + logrus.Fatal(err) + } + + imageRuntime := client.ImageRuntime() + if imageRuntime == nil { + logrus.Fatal("ImageRuntime is null") + } + + fmt.Printf("preparing test environment...\n") + //Prepare for test. + testImage, err := imageRuntime.NewFromLocal(*testImageName) + if err != nil { + // Download the image from remote registry. + writer := os.Stderr + registryCreds := &types.DockerAuthConfig{ + Username: "", + Password: "", + } + dockerRegistryOptions := image2.DockerRegistryOptions{ + DockerRegistryCreds: registryCreds, + DockerCertPath: "", + DockerInsecureSkipTLSVerify: types.OptionalBoolFalse, + } + fmt.Printf("image %s not found locally, fetching from remote registry..\n", *testImageName) + + testImage, err = client.ImageRuntime().New(ctx, *testImageName, "", "", writer, &dockerRegistryOptions, image2.SigningOptions{}, false) + if err != nil { + logrus.Fatal(err) + } + fmt.Printf("image downloaded successfully\n\n") + } + + names := testImage.Names() + if len(names) > 0 { + imageName = names[0] + } else { + imageName = testImage.ID() + } + + idmappings, err := util.ParseIDMapping(nil, nil, "", "") + if err != nil { + logrus.Fatal(err) + } + config := &cc.CreateConfig{ + Tty: true, + Image: imageName, + ImageID: testImage.ID(), + IDMappings: idmappings, + Command: []string{"/bin/sh"}, + WorkDir: "/", + NetMode: "bridge", + Network: "bridge", + } + + // Enable CPU Profile + defer profile.Start().Stop() + + data, err := runSingleThreadedStressTest(ctx, client, imageName, testImage.ID(), config, *testRunCount) + if err != nil { + logrus.Fatal(err) + } + + data.printProfiledData((float64)(*testRunCount)) +} + +func defaultRuntimeOptions() []libpod.RuntimeOption { + options := []libpod.RuntimeOption{} + return options + /* + //TODO: Shall we test in clean environment? + sOpts := storage.StoreOptions{ + GraphDriverName: "overlay", + RunRoot: "/var/run/containers/storage", + GraphRoot: "/var/lib/containers/storage", + } + + storageOpts := libpod.WithStorageConfig(sOpts) + options = append(options, storageOpts) + return options + */ +} + +func printSystemInfo(client *libpod.Runtime) error { + OCIRuntimeInfo, err := client.GetOCIRuntimeVersion() + if err != nil { + return err + } + + connmanInfo, err := client.GetConmonVersion() + if err != nil { + return err + } + fmt.Printf("%s\n%s\n\n", OCIRuntimeInfo, connmanInfo) + return nil +} + +func runSingleThreadedStressTest(ctx context.Context, client *libpod.Runtime, imageName string, imageID string, config *cc.CreateConfig, testCount int) (*profileData, error) { + data := new(profileData) + fmt.Printf("Test Round: ") + for i := 0; i < testCount; i++ { + fmt.Printf("%d ", i) + + runtimeSpec, err := cc.CreateConfigToOCISpec(config) + if err != nil { + return nil, err + } + + //Create Container + networks := make([]string, 0) + netmode := "bridge" + createStartTime := time.Now() + ctr, err := client.NewContainer(ctx, + runtimeSpec, + libpod.WithRootFSFromImage(imageID, imageName, false), + libpod.WithNetNS([]ocicni.PortMapping{}, false, netmode, networks), + ) + if err != nil { + return nil, err + } + createTotalTime := time.Now().Sub(createStartTime) + + // Start container + startStartTime := time.Now() + err = ctr.Start(ctx) + if err != nil { + return nil, err + } + startTotalTime := time.Now().Sub(startStartTime) + + //Stop Container + stopStartTime := time.Now() + err = ctr.StopWithTimeout(2) + if err != nil { + return nil, err + } + stopTotalTime := time.Now().Sub(stopStartTime) + + //Delete Container + deleteStartTime := time.Now() + + err = client.RemoveContainer(ctx, ctr, true) + if err != nil { + return nil, err + } + + deleteTotalTime := time.Now().Sub(deleteStartTime) + + data.updateProfileData(createTotalTime, startTotalTime, stopTotalTime, deleteTotalTime) + } + return data, nil +} + +type profileData struct { + minCreate, minStart, minStop, minDel time.Duration + avgCreate, avgStart, avgStop, avgDel time.Duration + maxCreate, maxStart, maxStop, maxDel time.Duration +} + +func (data *profileData) updateProfileData(create, start, stop, delete time.Duration) { + if create < data.minCreate || data.minCreate == 0 { + data.minCreate = create + } + if create > data.maxCreate || data.maxCreate == 0 { + data.maxCreate = create + } + if start < data.minStart || data.minStart == 0 { + data.minStart = start + } + if start > data.maxStart || data.maxStart == 0 { + data.maxStart = start + } + if stop < data.minStop || data.minStop == 0 { + data.minStop = stop + } + if stop > data.maxStop || data.maxStop == 0 { + data.maxStop = stop + } + if delete < data.minDel || data.minDel == 0 { + data.minDel = delete + } + if delete > data.maxDel || data.maxDel == 0 { + data.maxDel = delete + } + + data.avgCreate = data.avgCreate + create + data.avgStart = data.avgStart + start + data.avgStop = data.avgStop + stop + data.avgDel = data.avgDel + delete +} + +func (data *profileData) printProfiledData(testCount float64) { + + fmt.Printf("\nProfile data\n\n") + w := new(tabwriter.Writer) + w.Init(os.Stdout, 0, 8, 0, '\t', 0) + fmt.Fprintln(w, "\tCreate\tStart\tStop\tDelete") + fmt.Fprintf(w, "Min\t%.2fs\t%.2fs\t%.2fs\t%.2fs\n", data.minCreate.Seconds(), data.minStart.Seconds(), data.minStop.Seconds(), data.minDel.Seconds()) + fmt.Fprintf(w, "Avg\t%.2fs\t%.2fs\t%.2fs\t%.2fs\n", data.avgCreate.Seconds()/testCount, data.avgStart.Seconds()/testCount, data.avgStop.Seconds()/testCount, data.avgDel.Seconds()/testCount) + fmt.Fprintf(w, "Max\t%.2fs\t%.2fs\t%.2fs\t%.2fs\n", data.maxCreate.Seconds(), data.maxStart.Seconds(), data.maxStop.Seconds(), data.maxDel.Seconds()) + fmt.Fprintf(w, "Total\t%.2fs\t%.2fs\t%.2fs\t%.2fs\n", data.avgCreate.Seconds(), data.avgStart.Seconds(), data.avgStop.Seconds(), data.avgDel.Seconds()) + fmt.Fprintln(w) + w.Flush() +} |