Add statsviz memory visualization tool

go.mod

@@ -4,6 +4,7 @@ go 1.15
 
 require (
 	fortio.org/dnsping v1.1.4 // indirect
+	github.com/arl/statsviz v0.2.1 // indirect
 	github.com/docker/docker-credential-helpers v0.6.3
 )
 

go.sum

@@ -4,6 +4,8 @@ fortio.org/dnsping v1.1.4/go.mod h1:5y9DK7NFTU9s9w+FiqmwKxpl3eKyc4QI2aXdUiQUvoQ=
 fortio.org/fortio v1.11.0 h1:p9lNbmYFat4ZcjSR3ojsCS2Wnw52FqGsRdG0sRxRx5Q=
 fortio.org/fortio v1.11.0/go.mod h1:sbKl3MB8+XZTZ4HvLcBPUvFYPmMKG5zKsoCmgbo/YR8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/arl/statsviz v0.2.1 h1:hjfBf5GLMd77tTALAThs6BWwGx4gZZoVeamahwu/ZKQ=
+github.com/arl/statsviz v0.2.1/go.mod h1:Dg/DhcWPSzBVk70gVbZWcymzHDkYRhVpeScx5l+Zj7o=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=

read-only-chan.go

@@ -4,6 +4,9 @@ import (
 	"fmt"
 	"log"
 	"net"
+	"net/http"
+
+	"github.com/arl/statsviz"
 )
 
 func produce(l *net.TCPListener, c chan<- net.Conn) {
@@ -45,5 +48,12 @@ func main() {
 	if err != nil {
 		log.Fatalln(err)
 	}
+
+	statsviz.RegisterDefault()
+	go func() {
+		log.Println("start listening on port 6060 for statsviz")
+		log.Println(http.ListenAndServe(":6060", nil))
+	}()
+
 	produce(l, c)
 }