feat(examples): add benchmark example (#1134)

* feat(examples): add benchmark example

* fix examples/benchmark/test.sh

* fix: remove go.mod from examples / benchmark

examples/benchmark/README.md

@@ -0,0 +1,14 @@
+
+### Explain
+This example is condensed by [go-web-framework-benchmark](https://github.com/smallnest/go-web-framework-benchmark)
+
+### Dependent
+- wrk https://github.com/wg/wrk
+- gnuplot http://www.gnuplot.info/
+
+### Run
+```bash
+go build -o  gowebbenchmark *.go
+./test.sh
+./testresults/plot.sh or plot_mac.sh
+```

examples/benchmark/libs.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+web_frameworks=("kratos" "gin" "echo" "mux")

examples/benchmark/main.go

@@ -0,0 +1,197 @@
+package main
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"log"
+	"math/big"
+	http2 "net/http"
+	"os"
+	"runtime"
+	"strconv"
+	"time"
+
+	"github.com/go-kratos/kratos/v2"
+	"github.com/go-kratos/kratos/v2/transport/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gorilla/mux"
+	"github.com/labstack/echo/v4"
+)
+
+var (
+	port              = 8080
+	sleepTime         = 0
+	cpuBound          bool
+	target            = 15
+	sleepTimeDuration time.Duration
+	message           = []byte("hello world")
+	samplingPoint     = 20 // seconds
+)
+
+func main() {
+	args := os.Args
+	argsLen := len(args)
+	webFramework := "kratos"
+	if argsLen > 1 {
+		webFramework = args[1]
+	}
+	if argsLen > 2 {
+		sleepTime, _ = strconv.Atoi(args[2])
+		if sleepTime == -1 {
+			cpuBound = true
+			sleepTime = 0
+		}
+	}
+	if argsLen > 3 {
+		port, _ = strconv.Atoi(args[3])
+	}
+	if argsLen > 4 {
+		samplingPoint, _ = strconv.Atoi(args[4])
+	}
+	sleepTimeDuration = time.Duration(sleepTime) * time.Millisecond
+	samplingPointDuration := time.Duration(samplingPoint) * time.Second
+
+	go func() {
+		time.Sleep(samplingPointDuration)
+		var mem runtime.MemStats
+		runtime.ReadMemStats(&mem)
+		var u uint64 = 1024 * 1024
+		fmt.Printf("TotalAlloc: %d\n", mem.TotalAlloc/u)
+		fmt.Printf("Alloc: %d\n", mem.Alloc/u)
+		fmt.Printf("HeapAlloc: %d\n", mem.HeapAlloc/u)
+		fmt.Printf("HeapSys: %d\n", mem.HeapSys/u)
+	}()
+
+	switch webFramework {
+	case "kratos":
+		KratosServer()
+	case "gin":
+		GinServer()
+	case "echo":
+		EchoServer()
+	case "mux":
+		MuxServer()
+	default:
+		fmt.Println("--------------------------------------------------------------------")
+		fmt.Println("------------- Unknown framework given!!! Check libs.sh -------------")
+		fmt.Println("------------- Unknown framework given!!! Check libs.sh -------------")
+		fmt.Println("------------- Unknown framework given!!! Check libs.sh -------------")
+		fmt.Println("--------------------------------------------------------------------")
+	}
+}
+
+func KratosServer() {
+	httpSrv := http.NewServer(
+		http.Address(":" + strconv.Itoa(port)),
+	)
+	httpSrv.HandleFunc("/", kratosHandle)
+	app := kratos.New(
+		kratos.Name("benchmark"),
+		kratos.Server(
+			httpSrv,
+		),
+	)
+
+	if err := app.Run(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func kratosHandle(w http2.ResponseWriter, q *http2.Request) {
+	if cpuBound {
+		pow(target)
+	} else {
+		if sleepTime > 0 {
+			time.Sleep(sleepTimeDuration)
+		} else {
+			runtime.Gosched()
+		}
+	}
+	w.Write(message)
+}
+
+func GinServer() {
+	gin.SetMode(gin.ReleaseMode)
+	mux := gin.New()
+	mux.GET("/", ginHandler)
+	mux.Run(":" + strconv.Itoa(port))
+}
+
+func ginHandler(c *gin.Context) {
+	if cpuBound {
+		pow(target)
+	} else {
+		if sleepTime > 0 {
+			time.Sleep(sleepTimeDuration)
+		} else {
+			runtime.Gosched()
+		}
+	}
+	c.Writer.Write(message)
+}
+
+func EchoServer() {
+	e := echo.New()
+	e.GET("/", echoHandler)
+	e.Start(":" + strconv.Itoa(port))
+}
+
+func echoHandler(c echo.Context) error {
+	if cpuBound {
+		pow(target)
+	} else {
+		if sleepTime > 0 {
+			time.Sleep(sleepTimeDuration)
+		} else {
+			runtime.Gosched()
+		}
+	}
+	c.Response().Write(message)
+	return nil
+}
+
+func MuxServer() {
+	r := mux.NewRouter()
+	r.HandleFunc("/", muxHandle)
+	http2.Handle("/", r)
+	http2.ListenAndServe(":"+strconv.Itoa(port), r)
+}
+
+func muxHandle(w http2.ResponseWriter, q *http2.Request) {
+	if cpuBound {
+		pow(target)
+	} else {
+		if sleepTime > 0 {
+			time.Sleep(sleepTimeDuration)
+		} else {
+			runtime.Gosched()
+		}
+	}
+	w.Write(message)
+}
+
+func pow(targetBits int) {
+	target := big.NewInt(1)
+	target.Lsh(target, uint(256-targetBits))
+
+	var hashInt big.Int
+	var hash [32]byte
+	nonce := 0
+
+	for {
+		data := "hello world " + strconv.Itoa(nonce)
+		hash = sha256.Sum256([]byte(data))
+		hashInt.SetBytes(hash[:])
+
+		if hashInt.Cmp(target) == -1 {
+			break
+		} else {
+			nonce++
+		}
+
+		if nonce%100 == 0 {
+			runtime.Gosched()
+		}
+	}
+}

examples/benchmark/test.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+server_bin_name="gowebbenchmark"
+
+. ./libs.sh
+
+length=${#web_frameworks[@]}
+
+test_result=()
+
+cpu_cores=`cat /proc/cpuinfo|grep processor|wc -l`
+if [ $cpu_cores -eq 0 ]
+then
+  cpu_cores=1
+fi
+
+test_web_framework()
+{
+  echo "testing web framework: $2"
+  ./$server_bin_name $2 $3 &
+  sleep 2
+
+  throughput=`wrk -t$cpu_cores -c$4 -d30s http://127.0.0.1:8080/ | grep Requests/sec | awk '{print $2}'`
+  echo "throughput: $throughput requests/second"
+  test_result[$1]=$throughput
+
+  pkill -9 $server_bin_name
+  sleep 2
+  echo "finsihed testing $2"
+  echo
+}
+
+test_all()
+{
+  echo "###################################"
+  echo "                                   "
+  echo "      ProcessingTime  $1ms         "
+  echo "      Concurrency     $2           "
+  echo "                                   "
+  echo "###################################"
+  for ((i=0; i<$length; i++))
+  do
+  	test_web_framework $i ${web_frameworks[$i]} $1 $2
+  done
+}
+
+
+pkill -9 $server_bin_name
+
+echo ","$(IFS=$','; echo "${web_frameworks[*]}" ) > processtime.csv
+test_all 0 5000
+echo "0 ms,"$(IFS=$','; echo "${test_result[*]}" ) >> processtime.csv
+test_all 10 5000
+echo "10 ms,"$(IFS=$','; echo "${test_result[*]}" ) >> processtime.csv
+test_all 100 5000
+echo "100 ms,"$(IFS=$','; echo "${test_result[*]}" ) >> processtime.csv
+test_all 500 5000
+echo "500 ms,"$(IFS=$','; echo "${test_result[*]}" ) >> processtime.csv
+
+
+echo ","$(IFS=$','; echo "${web_frameworks[*]}" ) > concurrency.csv
+test_all 30 100
+echo "100,"$(IFS=$','; echo "${test_result[*]}" ) >> concurrency.csv
+test_all 30 1000
+echo "1000,"$(IFS=$','; echo "${test_result[*]}" ) >> concurrency.csv
+test_all 30 5000
+echo "5000,"$(IFS=$','; echo "${test_result[*]}" ) >> concurrency.csv
+
+
+test_all -1 5000
+echo ","$(IFS=$','; echo "${web_frameworks[*]}" ) > cpubound.csv
+echo "cpu-bound,"$(IFS=$','; echo "${test_result[*]}" ) >> cpubound.csv
+
+echo ","$(IFS=$','; echo "${web_frameworks[*]}" ) > cpubound-concurrency.csv
+test_all -1 100
+echo "100,"$(IFS=$','; echo "${test_result[*]}" ) >> cpubound-concurrency.csv
+test_all -1 1000
+echo "1000,"$(IFS=$','; echo "${test_result[*]}" ) >> cpubound-concurrency.csv
+test_all -1 5000
+echo "5000,"$(IFS=$','; echo "${test_result[*]}" ) >> cpubound-concurrency.csv
+
+
+mv -f processtime.csv ./testresults
+mv -f concurrency.csv ./testresults
+mv -f cpubound.csv ./testresults
+mv -f cpubound-concurrency.csv ./testresults

examples/benchmark/testresults/benchmark.gnu

@@ -0,0 +1,22 @@
+reset
+set title "Benchmark of different processing time"
+set boxwidth 0.9
+set datafile separator ","
+set style data histogram
+set style histogram clustered gap 2
+set style fill solid 0.7 border
+set border lw 0.8
+
+set ylabel "requests / second"
+set xtics nomirror rotate by -45
+set ytics nomirror
+
+set border 1+2 back 
+set boxwidth -2
+
+set grid
+
+set term pngcairo font "Times Roman,14"  enhanced size 1024,600 background rgb "gray80"
+set output "../benchmark.png"
+
+plot 't_processtime.csv' using 2:xticlabels(1) title columnheader(2), '' using 3:xticlabels(1) title columnheader(3), '' using 4:xticlabels(1) title columnheader(4), '' using 5:xticlabels(1) title columnheader(5)

examples/benchmark/testresults/plot.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+m_path=$(dirname $0)
+m_path=${m_path/\./$(pwd)}
+cd $m_path
+
+./transpose.sh
+
+gnuplot benchmark.gnu
+
+rm -fr t_*.csv

examples/benchmark/testresults/plot_mac.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+m_path=$(dirname $0)
+m_path=${m_path/\./$(pwd)}
+cd $m_path
+
+./transpose.sh
+
+gnuplot -c benchmark.gnu
+
+rm -fr t_*.csv

examples/benchmark/testresults/transpose.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+for file in `ls *.csv`  
+do  
+	awk -f tst.awk $file > t_$file
+done  

examples/benchmark/testresults/tst.awk

@@ -0,0 +1,15 @@
+BEGIN { FS=OFS="," }
+{
+    for (rowNr=1;rowNr<=NF;rowNr++) {
+        cell[rowNr,NR] = $rowNr
+    }
+    maxRows = (NF > maxRows ? NF : maxRows)
+    maxCols = NR
+}
+END {
+    for (rowNr=1;rowNr<=maxRows;rowNr++) {
+        for (colNr=1;colNr<=maxCols;colNr++) {
+            printf "%s%s", cell[rowNr,colNr], (colNr < maxCols ? OFS : ORS)
+        }
+    }
+}

examples/go.mod

@@ -31,6 +31,7 @@ require (
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/json-iterator/go v1.1.11 // indirect
 	github.com/kr/text v0.2.0 // indirect
+	github.com/labstack/echo/v4 v4.3.0
 	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/mattn/go-isatty v0.0.13 // indirect
 	github.com/nacos-group/nacos-sdk-go v1.0.7

examples/go.sum

@@ -223,7 +223,6 @@ github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
@@ -360,6 +359,10 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/labstack/echo/v4 v4.3.0 h1:DCP6cbtT+Zu++K6evHOJzSgA2115cPMuCx0xg55q1EQ=
+github.com/labstack/echo/v4 v4.3.0/go.mod h1:PvmtTvhVqKDzDQy4d3bWzPjZLzom4iQbAZy2sgZ/qI8=
+github.com/labstack/gommon v0.3.0 h1:JEeO0bvc78PKdyHxloTKiF8BD5iGrH8T6MSeGvSgob0=
+github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
 github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w=
 github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY=
@@ -376,6 +379,7 @@ github.com/lyft/protoc-gen-star v0.5.1/go.mod h1:9toiA3cC7z5uVbODF7kEQ91Xn7XNFkV
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
 github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8=
@@ -383,6 +387,7 @@ github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ=
 github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
 github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
@@ -574,6 +579,11 @@ github.com/ugorji/go/codec v1.2.6 h1:7kbGefxLoDBuYXOms4yD7223OpNMMPNPZxXk5TvFcyQ
 github.com/ugorji/go/codec v1.2.6/go.mod h1:V6TCNZ4PHqoHGFZuSG1W8nrCzzdgA2DozYxWFFpvxTw=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
+github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
+github.com/valyala/fasttemplate v1.2.1 h1:TVEnxayobAdVkhQfrfes2IzOB6o+z4roRkPF52WA1u4=
+github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -600,7 +610,6 @@ go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opentelemetry.io/otel v0.13.0/go.mod h1:dlSNewoRYikTkotEnxdmuBHgzT+k/idJSfDv/FxEnOY=
 go.opentelemetry.io/otel v0.16.0/go.mod h1:e4GKElweB8W2gWUqbghw0B8t5MCTccc9212eNHnOHwA=
 go.opentelemetry.io/otel v0.17.0/go.mod h1:Oqtdxmf7UtEvL037ohlgnaYa1h7GtMh0NcSd9eqkC9s=
-go.opentelemetry.io/otel v0.20.0 h1:eaP0Fqu7SXHwvjiqDq83zImeehOHX8doTvU9AwXON8g=
 go.opentelemetry.io/otel v0.20.0/go.mod h1:Y3ugLH2oa81t5QO+Lty+zXf8zC9L26ax4Nzoxm/dooo=
 go.opentelemetry.io/otel v1.0.0-RC1 h1:4CeoX93DNTWt8awGK9JmNXzF9j7TyOu9upscEdtcdXc=
 go.opentelemetry.io/otel v1.0.0-RC1/go.mod h1:x9tRa9HK4hSSq7jf2TKbqFbtt58/TGk0f9XiEYISI1I=
@@ -609,19 +618,16 @@ go.opentelemetry.io/otel/exporters/jaeger v1.0.0-RC1/go.mod h1:FXJnjGCoTQL6nQ8Op
 go.opentelemetry.io/otel/internal/metric v0.21.0 h1:gZlIBo5O51hZOOZz8vEcuRx/l5dnADadKfpT70AELoo=
 go.opentelemetry.io/otel/internal/metric v0.21.0/go.mod h1:iOfAaY2YycsXfYD4kaRSbLx2LKmfpKObWBEv9QK5zFo=
 go.opentelemetry.io/otel/metric v0.17.0/go.mod h1:hUz9lH1rNXyEwWAhIWCMFWKhYtpASgSnObJFnU26dJ0=
-go.opentelemetry.io/otel/metric v0.20.0 h1:4kzhXFP+btKm4jwxpjIqjs41A7MakRFUS86bqLHTIw8=
 go.opentelemetry.io/otel/metric v0.20.0/go.mod h1:598I5tYlH1vzBjn+BTuhzTCSb/9debfNp6R3s7Pr1eU=
 go.opentelemetry.io/otel/metric v0.21.0 h1:ZtcJlHqVE4l8Su0WOLOd9fEPheJuYEiQ0wr9wv2p25I=
 go.opentelemetry.io/otel/metric v0.21.0/go.mod h1:JWCt1bjivC4iCrz/aCrM1GSw+ZcvY44KCbaeeRhzHnc=
 go.opentelemetry.io/otel/oteltest v0.17.0/go.mod h1:JT/LGFxPwpN+nlsTiinSYjdIx3hZIGqHCpChcIZmdoE=
-go.opentelemetry.io/otel/oteltest v0.20.0 h1:HiITxCawalo5vQzdHfKeZurV8x7ljcqAgiWzF6Vaeaw=
 go.opentelemetry.io/otel/oteltest v0.20.0/go.mod h1:L7bgKf9ZB7qCwT9Up7i9/pn0PWIa9FqQ2IQ8LoxiGnw=
 go.opentelemetry.io/otel/oteltest v1.0.0-RC1 h1:G685iP3XiskCwk/z0eIabL55XUl2gk0cljhGk9sB0Yk=
 go.opentelemetry.io/otel/oteltest v1.0.0-RC1/go.mod h1:+eoIG0gdEOaPNftuy1YScLr1Gb4mL/9lpDkZ0JjMRq4=
 go.opentelemetry.io/otel/sdk v1.0.0-RC1 h1:Sy2VLOOg24bipyC29PhuMXYNJrLsxkie8hyI7kUlG9Q=
 go.opentelemetry.io/otel/sdk v1.0.0-RC1/go.mod h1:kj6yPn7Pgt5ByRuwesbaWcRLA+V7BSDg3Hf8xRvsvf8=
 go.opentelemetry.io/otel/trace v0.17.0/go.mod h1:bIujpqg6ZL6xUTubIUgziI1jSaUPthmabA/ygf/6Cfg=
-go.opentelemetry.io/otel/trace v0.20.0 h1:1DL6EXUdcg95gukhuRRvLDO/4X5THh/5dIV52lqtnbw=
 go.opentelemetry.io/otel/trace v0.20.0/go.mod h1:6GjCW8zgDjwGHGa6GkyeB8+/5vjT16gUEi0Nf1iBdgw=
 go.opentelemetry.io/otel/trace v1.0.0-RC1 h1:jrjqKJZEibFrDz+umEASeU3LvdVyWKlnTh7XEfwrT58=
 go.opentelemetry.io/otel/trace v1.0.0-RC1/go.mod h1:86UHmyHWFEtWjfWPSbu0+d0Pf9Q6e1U+3ViBOc+NXAg=
@@ -658,6 +664,7 @@ golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392/go.mod h1:/lpIB1dKB+9EgE3H3cr1v9wB50oz8l4C4h62xy7jSTY=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a h1:kr2P4QFmQr29mSLA43kwrOcgcReGTfbE9N577tCTuBc=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -683,9 +690,7 @@ golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKG
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -750,6 +755,7 @@ golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -793,6 +799,7 @@ golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -825,7 +832,6 @@ golang.org/x/tools v0.0.0-20200522201501-cb1345f3a375/go.mod h1:EkVYQZoAsY45+roY
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.1.0 h1:po9/4sTYwZU9lPhi1tOrb4hCv3qrhiQ77LZfGa2OjwY=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.4 h1:cVngSRcfgyZCzys3KYOpCFa+4dqX/Oub9tAq00ttGVs=
 golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
@@ -877,7 +883,6 @@ google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTp
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.39.0 h1:Klz8I9kdtkIN6EpHHUOMLCYhTn/2WAe5a0s1hcBkdTI=
 google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
@@ -891,7 +896,6 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=