cmd/swarm, metrics, swarm/api/client, swarm/storage, swarm/metrics, swarm/api/http: add instrumentation (#18274)

cmd/swarm/swarm-smoke/feed_upload_and_sync.go

@@ -2,11 +2,13 @@ package main
 
 import (
 	"bytes"
+	"context"
 	"crypto/md5"
 	"fmt"
 	"io"
 	"io/ioutil"
 	"net/http"
+	"net/http/httptrace"
 	"os"
 	"os/exec"
 	"strings"
@@ -16,8 +18,13 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/swarm/api/client"
+	"github.com/ethereum/go-ethereum/swarm/spancontext"
 	"github.com/ethereum/go-ethereum/swarm/storage/feed"
+	"github.com/ethereum/go-ethereum/swarm/testutil"
 	colorable "github.com/mattn/go-colorable"
+	opentracing "github.com/opentracing/opentracing-go"
 	"github.com/pborman/uuid"
 	cli "gopkg.in/urfave/cli.v1"
 )
@@ -26,11 +33,29 @@ const (
 	feedRandomDataLength = 8
 )
 
-// TODO: retrieve with manifest + extract repeating code
 func cliFeedUploadAndSync(c *cli.Context) error {
-
+	metrics.GetOrRegisterCounter("feed-and-sync", nil).Inc(1)
 	log.Root().SetHandler(log.CallerFileHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(colorable.NewColorableStderr(), log.TerminalFormat(true)))))
 
+	errc := make(chan error)
+	go func() {
+		errc <- feedUploadAndSync(c)
+	}()
+
+	select {
+	case err := <-errc:
+		if err != nil {
+			metrics.GetOrRegisterCounter("feed-and-sync.fail", nil).Inc(1)
+		}
+		return err
+	case <-time.After(time.Duration(timeout) * time.Second):
+		metrics.GetOrRegisterCounter("feed-and-sync.timeout", nil).Inc(1)
+		return fmt.Errorf("timeout after %v sec", timeout)
+	}
+}
+
+// TODO: retrieve with manifest + extract repeating code
+func feedUploadAndSync(c *cli.Context) error {
 	defer func(now time.Time) { log.Info("total time", "time", time.Since(now), "size (kb)", filesize) }(time.Now())
 
 	generateEndpoints(scheme, cluster, appName, from, to)
@@ -204,12 +229,12 @@ func cliFeedUploadAndSync(c *cli.Context) error {
 	log.Info("all endpoints synced random data successfully")
 
 	// upload test file
-	log.Info("uploading to " + endpoints[0] + " and syncing")
+	seed := int(time.Now().UnixNano() / 1e6)
+	log.Info("feed uploading to "+endpoints[0]+" and syncing", "seed", seed)
 
-	f, cleanup := generateRandomFile(filesize * 1000)
-	defer cleanup()
+	randomBytes := testutil.RandomBytes(seed, filesize*1000)
 
-	hash, err := upload(f, endpoints[0])
+	hash, err := upload(&randomBytes, endpoints[0])
 	if err != nil {
 		return err
 	}
@@ -218,7 +243,7 @@ func cliFeedUploadAndSync(c *cli.Context) error {
 		return err
 	}
 	multihashHex := hexutil.Encode(hashBytes)
-	fileHash, err := digest(f)
+	fileHash, err := digest(bytes.NewReader(randomBytes))
 	if err != nil {
 		return err
 	}
@@ -284,14 +309,37 @@ func cliFeedUploadAndSync(c *cli.Context) error {
 }
 
 func fetchFeed(topic string, user string, endpoint string, original []byte, ruid string) error {
+	ctx, sp := spancontext.StartSpan(context.Background(), "feed-and-sync.fetch")
+	defer sp.Finish()
+
 	log.Trace("sleeping", "ruid", ruid)
 	time.Sleep(3 * time.Second)
 
 	log.Trace("http get request (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user)
-	res, err := http.Get(endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user)
+
+	var tn time.Time
+	reqUri := endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user
+	req, _ := http.NewRequest("GET", reqUri, nil)
+
+	opentracing.GlobalTracer().Inject(
+		sp.Context(),
+		opentracing.HTTPHeaders,
+		opentracing.HTTPHeadersCarrier(req.Header))
+
+	trace := client.GetClientTrace("feed-and-sync - http get", "feed-and-sync", ruid, &tn)
+
+	req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
+	transport := http.DefaultTransport
+
+	//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
+
+	tn = time.Now()
+	res, err := transport.RoundTrip(req)
 	if err != nil {
+		log.Error(err.Error(), "ruid", ruid)
 		return err
 	}
+
 	log.Trace("http get response (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user, "code", res.StatusCode, "len", res.ContentLength)
 
 	if res.StatusCode != 200 {

cmd/swarm/swarm-smoke/main.go

@@ -17,14 +17,25 @@
 package main
 
 import (
+	"fmt"
 	"os"
 	"sort"
 
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	gethmetrics "github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/metrics/influxdb"
+	swarmmetrics "github.com/ethereum/go-ethereum/swarm/metrics"
+	"github.com/ethereum/go-ethereum/swarm/tracing"
+
 	"github.com/ethereum/go-ethereum/log"
 
 	cli "gopkg.in/urfave/cli.v1"
 )
 
+var (
+	gitCommit string // Git SHA1 commit hash of the release (set via linker flags)
+)
+
 var (
 	endpoints        []string
 	includeLocalhost bool
@@ -32,9 +43,12 @@ var (
 	appName          string
 	scheme           string
 	filesize         int
+	syncDelay        int
 	from             int
 	to               int
 	verbosity        int
+	timeout          int
+	single           bool
 )
 
 func main() {
@@ -85,14 +99,42 @@ func main() {
 			Usage:       "file size for generated random file in KB",
 			Destination: &filesize,
 		},
+		cli.IntFlag{
+			Name:        "sync-delay",
+			Value:       5,
+			Usage:       "duration of delay in seconds to wait for content to be synced",
+			Destination: &syncDelay,
+		},
 		cli.IntFlag{
 			Name:        "verbosity",
 			Value:       1,
 			Usage:       "verbosity",
 			Destination: &verbosity,
 		},
+		cli.IntFlag{
+			Name:        "timeout",
+			Value:       120,
+			Usage:       "timeout in seconds after which kill the process",
+			Destination: &timeout,
+		},
+		cli.BoolFlag{
+			Name:        "single",
+			Usage:       "whether to fetch content from a single node or from all nodes",
+			Destination: &single,
+		},
 	}
 
+	app.Flags = append(app.Flags, []cli.Flag{
+		utils.MetricsEnabledFlag,
+		swarmmetrics.MetricsInfluxDBEndpointFlag,
+		swarmmetrics.MetricsInfluxDBDatabaseFlag,
+		swarmmetrics.MetricsInfluxDBUsernameFlag,
+		swarmmetrics.MetricsInfluxDBPasswordFlag,
+		swarmmetrics.MetricsInfluxDBHostTagFlag,
+	}...)
+
+	app.Flags = append(app.Flags, tracing.Flags...)
+
 	app.Commands = []cli.Command{
 		{
 			Name:    "upload_and_sync",
@@ -111,9 +153,38 @@ func main() {
 	sort.Sort(cli.FlagsByName(app.Flags))
 	sort.Sort(cli.CommandsByName(app.Commands))
 
+	app.Before = func(ctx *cli.Context) error {
+		tracing.Setup(ctx)
+		return nil
+	}
+
+	app.After = func(ctx *cli.Context) error {
+		return emitMetrics(ctx)
+	}
+
 	err := app.Run(os.Args)
 	if err != nil {
 		log.Error(err.Error())
+
 		os.Exit(1)
 	}
 }
+
+func emitMetrics(ctx *cli.Context) error {
+	if gethmetrics.Enabled {
+		var (
+			endpoint = ctx.GlobalString(swarmmetrics.MetricsInfluxDBEndpointFlag.Name)
+			database = ctx.GlobalString(swarmmetrics.MetricsInfluxDBDatabaseFlag.Name)
+			username = ctx.GlobalString(swarmmetrics.MetricsInfluxDBUsernameFlag.Name)
+			password = ctx.GlobalString(swarmmetrics.MetricsInfluxDBPasswordFlag.Name)
+			hosttag  = ctx.GlobalString(swarmmetrics.MetricsInfluxDBHostTagFlag.Name)
+		)
+		return influxdb.InfluxDBWithTagsOnce(gethmetrics.DefaultRegistry, endpoint, database, username, password, "swarm-smoke.", map[string]string{
+			"host":     hosttag,
+			"version":  gitCommit,
+			"filesize": fmt.Sprintf("%v", filesize),
+		})
+	}
+
+	return nil
+}

cmd/swarm/swarm-smoke/upload_and_sync.go

@@ -18,21 +18,27 @@ package main
 
 import (
 	"bytes"
+	"context"
 	"crypto/md5"
 	crand "crypto/rand"
-	"crypto/tls"
 	"errors"
 	"fmt"
 	"io"
 	"io/ioutil"
+	"math/rand"
 	"net/http"
+	"net/http/httptrace"
 	"os"
-	"os/exec"
-	"strings"
 	"sync"
 	"time"
 
 	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/swarm/api"
+	"github.com/ethereum/go-ethereum/swarm/api/client"
+	"github.com/ethereum/go-ethereum/swarm/spancontext"
+	"github.com/ethereum/go-ethereum/swarm/testutil"
+	opentracing "github.com/opentracing/opentracing-go"
 	"github.com/pborman/uuid"
 
 	cli "gopkg.in/urfave/cli.v1"
@@ -40,11 +46,11 @@ import (
 
 func generateEndpoints(scheme string, cluster string, app string, from int, to int) {
 	if cluster == "prod" {
-		for port := from; port <= to; port++ {
+		for port := from; port < to; port++ {
 			endpoints = append(endpoints, fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, port))
 		}
 	} else {
-		for port := from; port <= to; port++ {
+		for port := from; port < to; port++ {
 			endpoints = append(endpoints, fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, port, cluster))
 		}
 	}
@@ -58,22 +64,48 @@ func cliUploadAndSync(c *cli.Context) error {
 	log.PrintOrigins(true)
 	log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
 
-	defer func(now time.Time) { log.Info("total time", "time", time.Since(now), "kb", filesize) }(time.Now())
+	metrics.GetOrRegisterCounter("upload-and-sync", nil).Inc(1)
 
-	generateEndpoints(scheme, cluster, appName, from, to)
+	errc := make(chan error)
+	go func() {
+		errc <- uploadAndSync(c)
+	}()
 
-	log.Info("uploading to " + endpoints[0] + " and syncing")
+	select {
+	case err := <-errc:
+		if err != nil {
+			metrics.GetOrRegisterCounter("upload-and-sync.fail", nil).Inc(1)
+		}
+		return err
+	case <-time.After(time.Duration(timeout) * time.Second):
+		metrics.GetOrRegisterCounter("upload-and-sync.timeout", nil).Inc(1)
+		return fmt.Errorf("timeout after %v sec", timeout)
+	}
+}
+
+func uploadAndSync(c *cli.Context) error {
+	defer func(now time.Time) {
+		totalTime := time.Since(now)
+
+		log.Info("total time", "time", totalTime, "kb", filesize)
+		metrics.GetOrRegisterCounter("upload-and-sync.total-time", nil).Inc(int64(totalTime))
+	}(time.Now())
+
+	generateEndpoints(scheme, cluster, appName, from, to)
+	seed := int(time.Now().UnixNano() / 1e6)
+	log.Info("uploading to "+endpoints[0]+" and syncing", "seed", seed)
 
-	f, cleanup := generateRandomFile(filesize * 1000)
-	defer cleanup()
+	randomBytes := testutil.RandomBytes(seed, filesize*1000)
 
-	hash, err := upload(f, endpoints[0])
+	t1 := time.Now()
+	hash, err := upload(&randomBytes, endpoints[0])
 	if err != nil {
 		log.Error(err.Error())
 		return err
 	}
+	metrics.GetOrRegisterCounter("upload-and-sync.upload-time", nil).Inc(int64(time.Since(t1)))
 
-	fhash, err := digest(f)
+	fhash, err := digest(bytes.NewReader(randomBytes))
 	if err != nil {
 		log.Error(err.Error())
 		return err
@@ -81,23 +113,47 @@ func cliUploadAndSync(c *cli.Context) error {
 
 	log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fhash))
 
-	time.Sleep(3 * time.Second)
+	time.Sleep(time.Duration(syncDelay) * time.Second)
 
 	wg := sync.WaitGroup{}
-	for _, endpoint := range endpoints {
+	if single {
+		rand.Seed(time.Now().UTC().UnixNano())
+		randIndex := 1 + rand.Intn(len(endpoints)-1)
 		ruid := uuid.New()[:8]
 		wg.Add(1)
 		go func(endpoint string, ruid string) {
 			for {
+				start := time.Now()
 				err := fetch(hash, endpoint, fhash, ruid)
+				fetchTime := time.Since(start)
 				if err != nil {
 					continue
 				}
 
+				metrics.GetOrRegisterMeter("upload-and-sync.single.fetch-time", nil).Mark(int64(fetchTime))
 				wg.Done()
 				return
 			}
-		}(endpoint, ruid)
+		}(endpoints[randIndex], ruid)
+	} else {
+		for _, endpoint := range endpoints {
+			ruid := uuid.New()[:8]
+			wg.Add(1)
+			go func(endpoint string, ruid string) {
+				for {
+					start := time.Now()
+					err := fetch(hash, endpoint, fhash, ruid)
+					fetchTime := time.Since(start)
+					if err != nil {
+						continue
+					}
+
+					metrics.GetOrRegisterMeter("upload-and-sync.each.fetch-time", nil).Mark(int64(fetchTime))
+					wg.Done()
+					return
+				}
+			}(endpoint, ruid)
+		}
 	}
 	wg.Wait()
 	log.Info("all endpoints synced random file successfully")
@@ -107,16 +163,33 @@ func cliUploadAndSync(c *cli.Context) error {
 
 // fetch is getting the requested `hash` from the `endpoint` and compares it with the `original` file
 func fetch(hash string, endpoint string, original []byte, ruid string) error {
+	ctx, sp := spancontext.StartSpan(context.Background(), "upload-and-sync.fetch")
+	defer sp.Finish()
+
 	log.Trace("sleeping", "ruid", ruid)
 	time.Sleep(3 * time.Second)
-
 	log.Trace("http get request", "ruid", ruid, "api", endpoint, "hash", hash)
-	client := &http.Client{Transport: &http.Transport{
-		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
-	}}
-	res, err := client.Get(endpoint + "/bzz:/" + hash + "/")
+
+	var tn time.Time
+	reqUri := endpoint + "/bzz:/" + hash + "/"
+	req, _ := http.NewRequest("GET", reqUri, nil)
+
+	opentracing.GlobalTracer().Inject(
+		sp.Context(),
+		opentracing.HTTPHeaders,
+		opentracing.HTTPHeadersCarrier(req.Header))
+
+	trace := client.GetClientTrace("upload-and-sync - http get", "upload-and-sync", ruid, &tn)
+
+	req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
+	transport := http.DefaultTransport
+
+	//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
+
+	tn = time.Now()
+	res, err := transport.RoundTrip(req)
 	if err != nil {
-		log.Warn(err.Error(), "ruid", ruid)
+		log.Error(err.Error(), "ruid", ruid)
 		return err
 	}
 	log.Trace("http get response", "ruid", ruid, "api", endpoint, "hash", hash, "code", res.StatusCode, "len", res.ContentLength)
@@ -147,16 +220,19 @@ func fetch(hash string, endpoint string, original []byte, ruid string) error {
 }
 
 // upload is uploading a file `f` to `endpoint` via the `swarm up` cmd
-func upload(f *os.File, endpoint string) (string, error) {
-	var out bytes.Buffer
-	cmd := exec.Command("swarm", "--bzzapi", endpoint, "up", f.Name())
-	cmd.Stdout = &out
-	err := cmd.Run()
-	if err != nil {
-		return "", err
+func upload(dataBytes *[]byte, endpoint string) (string, error) {
+	swarm := client.NewClient(endpoint)
+	f := &client.File{
+		ReadCloser: ioutil.NopCloser(bytes.NewReader(*dataBytes)),
+		ManifestEntry: api.ManifestEntry{
+			ContentType: "text/plain",
+			Mode:        0660,
+			Size:        int64(len(*dataBytes)),
+		},
 	}
-	hash := strings.TrimRight(out.String(), "\r\n")
-	return hash, nil
+
+	// upload data to bzz:// and retrieve the content-addressed manifest hash, hex-encoded.
+	return swarm.Upload(f, "", false)
 }
 
 func digest(r io.Reader) ([]byte, error) {
@@ -179,27 +255,3 @@ func generateRandomData(datasize int) ([]byte, error) {
 	}
 	return b, nil
 }
-
-// generateRandomFile is creating a temporary file with the requested byte size
-func generateRandomFile(size int) (f *os.File, teardown func()) {
-	// create a tmp file
-	tmp, err := ioutil.TempFile("", "swarm-test")
-	if err != nil {
-		panic(err)
-	}
-
-	// callback for tmp file cleanup
-	teardown = func() {
-		tmp.Close()
-		os.Remove(tmp.Name())
-	}
-
-	buf := make([]byte, size)
-	_, err = crand.Read(buf)
-	if err != nil {
-		panic(err)
-	}
-	ioutil.WriteFile(tmp.Name(), buf, 0755)
-
-	return tmp, teardown
-}

metrics/influxdb/influxdb.go

@@ -58,6 +58,34 @@ func InfluxDBWithTags(r metrics.Registry, d time.Duration, url, database, userna
 	rep.run()
 }
 
+// InfluxDBWithTagsOnce runs once an InfluxDB reporter and post the given metrics.Registry with the specified tags
+func InfluxDBWithTagsOnce(r metrics.Registry, url, database, username, password, namespace string, tags map[string]string) error {
+	u, err := uurl.Parse(url)
+	if err != nil {
+		return fmt.Errorf("Unable to parse InfluxDB. url: %s, err: %v", url, err)
+	}
+
+	rep := &reporter{
+		reg:       r,
+		url:       *u,
+		database:  database,
+		username:  username,
+		password:  password,
+		namespace: namespace,
+		tags:      tags,
+		cache:     make(map[string]int64),
+	}
+	if err := rep.makeClient(); err != nil {
+		return fmt.Errorf("Unable to make InfluxDB client. err: %v", err)
+	}
+
+	if err := rep.send(); err != nil {
+		return fmt.Errorf("Unable to send to InfluxDB. err: %v", err)
+	}
+
+	return nil
+}
+
 func (r *reporter) makeClient() (err error) {
 	r.client, err = client.NewClient(client.Config{
 		URL:      r.url,

swarm/api/client/client.go

@@ -19,6 +19,7 @@ package client
 import (
 	"archive/tar"
 	"bytes"
+	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -26,6 +27,7 @@ import (
 	"io/ioutil"
 	"mime/multipart"
 	"net/http"
+	"net/http/httptrace"
 	"net/textproto"
 	"net/url"
 	"os"
@@ -33,9 +35,14 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+	"time"
 
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/swarm/api"
+	"github.com/ethereum/go-ethereum/swarm/spancontext"
 	"github.com/ethereum/go-ethereum/swarm/storage/feed"
+	"github.com/pborman/uuid"
 )
 
 var (
@@ -474,6 +481,11 @@ type UploadFn func(file *File) error
 // TarUpload uses the given Uploader to upload files to swarm as a tar stream,
 // returning the resulting manifest hash
 func (c *Client) TarUpload(hash string, uploader Uploader, defaultPath string, toEncrypt bool) (string, error) {
+	ctx, sp := spancontext.StartSpan(context.Background(), "api.client.tarupload")
+	defer sp.Finish()
+
+	var tn time.Time
+
 	reqR, reqW := io.Pipe()
 	defer reqR.Close()
 	addr := hash
@@ -489,6 +501,12 @@ func (c *Client) TarUpload(hash string, uploader Uploader, defaultPath string, t
 	if err != nil {
 		return "", err
 	}
+
+	trace := GetClientTrace("swarm api client - upload tar", "api.client.uploadtar", uuid.New()[:8], &tn)
+
+	req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
+	transport := http.DefaultTransport
+
 	req.Header.Set("Content-Type", "application/x-tar")
 	if defaultPath != "" {
 		q := req.URL.Query()
@@ -529,8 +547,8 @@ func (c *Client) TarUpload(hash string, uploader Uploader, defaultPath string, t
 		}
 		reqW.CloseWithError(err)
 	}()
-
-	res, err := http.DefaultClient.Do(req)
+	tn = time.Now()
+	res, err := transport.RoundTrip(req)
 	if err != nil {
 		return "", err
 	}
@@ -728,3 +746,57 @@ func (c *Client) GetFeedRequest(query *feed.Query, manifestAddressOrDomain strin
 	}
 	return &metadata, nil
 }
+
+func GetClientTrace(traceMsg, metricPrefix, ruid string, tn *time.Time) *httptrace.ClientTrace {
+	trace := &httptrace.ClientTrace{
+		GetConn: func(_ string) {
+			log.Trace(traceMsg+" - http get", "event", "GetConn", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".getconn", nil).Update(time.Since(*tn))
+		},
+		GotConn: func(_ httptrace.GotConnInfo) {
+			log.Trace(traceMsg+" - http get", "event", "GotConn", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".gotconn", nil).Update(time.Since(*tn))
+		},
+		PutIdleConn: func(err error) {
+			log.Trace(traceMsg+" - http get", "event", "PutIdleConn", "ruid", ruid, "err", err)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".putidle", nil).Update(time.Since(*tn))
+		},
+		GotFirstResponseByte: func() {
+			log.Trace(traceMsg+" - http get", "event", "GotFirstResponseByte", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".firstbyte", nil).Update(time.Since(*tn))
+		},
+		Got100Continue: func() {
+			log.Trace(traceMsg, "event", "Got100Continue", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".got100continue", nil).Update(time.Since(*tn))
+		},
+		DNSStart: func(_ httptrace.DNSStartInfo) {
+			log.Trace(traceMsg, "event", "DNSStart", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".dnsstart", nil).Update(time.Since(*tn))
+		},
+		DNSDone: func(_ httptrace.DNSDoneInfo) {
+			log.Trace(traceMsg, "event", "DNSDone", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".dnsdone", nil).Update(time.Since(*tn))
+		},
+		ConnectStart: func(network, addr string) {
+			log.Trace(traceMsg, "event", "ConnectStart", "ruid", ruid, "network", network, "addr", addr)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".connectstart", nil).Update(time.Since(*tn))
+		},
+		ConnectDone: func(network, addr string, err error) {
+			log.Trace(traceMsg, "event", "ConnectDone", "ruid", ruid, "network", network, "addr", addr, "err", err)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".connectdone", nil).Update(time.Since(*tn))
+		},
+		WroteHeaders: func() {
+			log.Trace(traceMsg, "event", "WroteHeaders(request)", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".wroteheaders", nil).Update(time.Since(*tn))
+		},
+		Wait100Continue: func() {
+			log.Trace(traceMsg, "event", "Wait100Continue", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".wait100continue", nil).Update(time.Since(*tn))
+		},
+		WroteRequest: func(_ httptrace.WroteRequestInfo) {
+			log.Trace(traceMsg, "event", "WroteRequest", "ruid", ruid)
+			metrics.GetOrRegisterResettingTimer(metricPrefix+".wroterequest", nil).Update(time.Since(*tn))
+		},
+	}
+	return trace
+}

swarm/api/http/middleware.go

@@ -74,13 +74,15 @@ func ParseURI(h http.Handler) http.Handler {
 
 func InitLoggingResponseWriter(h http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		startTime := time.Now()
-		defer metrics.GetOrRegisterResettingTimer(fmt.Sprintf("http.request.%s.time", r.Method), nil).UpdateSince(startTime)
+		tn := time.Now()
 
 		writer := newLoggingResponseWriter(w)
 		h.ServeHTTP(writer, r)
-		log.Info("request served", "ruid", GetRUID(r.Context()), "code", writer.statusCode)
-		metrics.GetOrRegisterResettingTimer(fmt.Sprintf("http.request.%s.%d.time", r.Method, writer.statusCode), nil).UpdateSince(startTime)
+
+		ts := time.Since(tn)
+		log.Info("request served", "ruid", GetRUID(r.Context()), "code", writer.statusCode, "time", ts*time.Millisecond)
+		metrics.GetOrRegisterResettingTimer(fmt.Sprintf("http.request.%s.time", r.Method), nil).Update(ts)
+		metrics.GetOrRegisterResettingTimer(fmt.Sprintf("http.request.%s.%d.time", r.Method, writer.statusCode), nil).Update(ts)
 	})
 }
 
@@ -93,6 +95,7 @@ func InstrumentOpenTracing(h http.Handler) http.Handler {
 		}
 		spanName := fmt.Sprintf("http.%s.%s", r.Method, uri.Scheme)
 		ctx, sp := spancontext.StartSpan(r.Context(), spanName)
+
 		defer sp.Finish()
 		h.ServeHTTP(w, r.WithContext(ctx))
 	})

swarm/metrics/flags.go

@@ -27,26 +27,26 @@ import (
 )
 
 var (
-	metricsEnableInfluxDBExportFlag = cli.BoolFlag{
+	MetricsEnableInfluxDBExportFlag = cli.BoolFlag{
 		Name:  "metrics.influxdb.export",
 		Usage: "Enable metrics export/push to an external InfluxDB database",
 	}
-	metricsInfluxDBEndpointFlag = cli.StringFlag{
+	MetricsInfluxDBEndpointFlag = cli.StringFlag{
 		Name:  "metrics.influxdb.endpoint",
 		Usage: "Metrics InfluxDB endpoint",
 		Value: "http://127.0.0.1:8086",
 	}
-	metricsInfluxDBDatabaseFlag = cli.StringFlag{
+	MetricsInfluxDBDatabaseFlag = cli.StringFlag{
 		Name:  "metrics.influxdb.database",
 		Usage: "Metrics InfluxDB database",
 		Value: "metrics",
 	}
-	metricsInfluxDBUsernameFlag = cli.StringFlag{
+	MetricsInfluxDBUsernameFlag = cli.StringFlag{
 		Name:  "metrics.influxdb.username",
 		Usage: "Metrics InfluxDB username",
 		Value: "",
 	}
-	metricsInfluxDBPasswordFlag = cli.StringFlag{
+	MetricsInfluxDBPasswordFlag = cli.StringFlag{
 		Name:  "metrics.influxdb.password",
 		Usage: "Metrics InfluxDB password",
 		Value: "",
@@ -55,7 +55,7 @@ var (
 	// It is used so that we can group all nodes and average a measurement across all of them, but also so
 	// that we can select a specific node and inspect its measurements.
 	// https://docs.influxdata.com/influxdb/v1.4/concepts/key_concepts/#tag-key
-	metricsInfluxDBHostTagFlag = cli.StringFlag{
+	MetricsInfluxDBHostTagFlag = cli.StringFlag{
 		Name:  "metrics.influxdb.host.tag",
 		Usage: "Metrics InfluxDB `host` tag attached to all measurements",
 		Value: "localhost",
@@ -65,20 +65,24 @@ var (
 // Flags holds all command-line flags required for metrics collection.
 var Flags = []cli.Flag{
 	utils.MetricsEnabledFlag,
-	metricsEnableInfluxDBExportFlag,
-	metricsInfluxDBEndpointFlag, metricsInfluxDBDatabaseFlag, metricsInfluxDBUsernameFlag, metricsInfluxDBPasswordFlag, metricsInfluxDBHostTagFlag,
+	MetricsEnableInfluxDBExportFlag,
+	MetricsInfluxDBEndpointFlag,
+	MetricsInfluxDBDatabaseFlag,
+	MetricsInfluxDBUsernameFlag,
+	MetricsInfluxDBPasswordFlag,
+	MetricsInfluxDBHostTagFlag,
 }
 
 func Setup(ctx *cli.Context) {
 	if gethmetrics.Enabled {
 		log.Info("Enabling swarm metrics collection")
 		var (
-			enableExport = ctx.GlobalBool(metricsEnableInfluxDBExportFlag.Name)
-			endpoint     = ctx.GlobalString(metricsInfluxDBEndpointFlag.Name)
-			database     = ctx.GlobalString(metricsInfluxDBDatabaseFlag.Name)
-			username     = ctx.GlobalString(metricsInfluxDBUsernameFlag.Name)
-			password     = ctx.GlobalString(metricsInfluxDBPasswordFlag.Name)
-			hosttag      = ctx.GlobalString(metricsInfluxDBHostTagFlag.Name)
+			enableExport = ctx.GlobalBool(MetricsEnableInfluxDBExportFlag.Name)
+			endpoint     = ctx.GlobalString(MetricsInfluxDBEndpointFlag.Name)
+			database     = ctx.GlobalString(MetricsInfluxDBDatabaseFlag.Name)
+			username     = ctx.GlobalString(MetricsInfluxDBUsernameFlag.Name)
+			password     = ctx.GlobalString(MetricsInfluxDBPasswordFlag.Name)
+			hosttag      = ctx.GlobalString(MetricsInfluxDBHostTagFlag.Name)
 		)
 
 		// Start system runtime metrics collection

swarm/storage/chunker.go

@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"io"
 	"sync"
+	"time"
 
 	"github.com/ethereum/go-ethereum/metrics"
 	ch "github.com/ethereum/go-ethereum/swarm/chunk"
@@ -410,10 +411,14 @@ func (r *LazyChunkReader) Size(ctx context.Context, quitC chan bool) (n int64, e
 
 	log.Debug("lazychunkreader.size", "addr", r.addr)
 	if r.chunkData == nil {
+
+		startTime := time.Now()
 		chunkData, err := r.getter.Get(cctx, Reference(r.addr))
 		if err != nil {
+			metrics.GetOrRegisterResettingTimer("lcr.getter.get.err", nil).UpdateSince(startTime)
 			return 0, err
 		}
+		metrics.GetOrRegisterResettingTimer("lcr.getter.get", nil).UpdateSince(startTime)
 		r.chunkData = chunkData
 		s := r.chunkData.Size()
 		log.Debug("lazychunkreader.size", "key", r.addr, "size", s)
@@ -542,8 +547,10 @@ func (r *LazyChunkReader) join(b []byte, off int64, eoff int64, depth int, treeS
 		wg.Add(1)
 		go func(j int64) {
 			childAddress := chunkData[8+j*r.hashSize : 8+(j+1)*r.hashSize]
+			startTime := time.Now()
 			chunkData, err := r.getter.Get(r.ctx, Reference(childAddress))
 			if err != nil {
+				metrics.GetOrRegisterResettingTimer("lcr.getter.get.err", nil).UpdateSince(startTime)
 				log.Debug("lazychunkreader.join", "key", fmt.Sprintf("%x", childAddress), "err", err)
 				select {
 				case errC <- fmt.Errorf("chunk %v-%v not found; key: %s", off, off+treeSize, fmt.Sprintf("%x", childAddress)):
@@ -551,6 +558,7 @@ func (r *LazyChunkReader) join(b []byte, off int64, eoff int64, depth int, treeS
 				}
 				return
 			}
+			metrics.GetOrRegisterResettingTimer("lcr.getter.get", nil).UpdateSince(startTime)
 			if l := len(chunkData); l < 9 {
 				select {
 				case errC <- fmt.Errorf("chunk %v-%v incomplete; key: %s, data length %v", off, off+treeSize, fmt.Sprintf("%x", childAddress), l):