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authorKunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>2018-10-26 14:47:52 +0900
committerKunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>2018-12-19 16:05:21 +0900
commit658f772c16da05807c2c079449e8ac71fd6f55c5 (patch)
tree77e9bac1bce0b3b57336ceea5787b27ec31905b3 /contrib/perftest/main.go
parentc8eaf59d5f4bec249db8134c6a9fcfbcac792519 (diff)
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perf test a stress test to profile CPU load of podman
Signed-off-by: Kunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>
Diffstat (limited to 'contrib/perftest/main.go')
-rw-r--r--contrib/perftest/main.go283
1 files changed, 283 insertions, 0 deletions
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()
+}