enable-pprof-gorouter.patch

diff --git a/main.go b/main.go
index 2a7795b..cff7880 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@ package main
 import (
 	"crypto/tls"
 	"errors"
+	"log"

 	"github.com/apcera/nats"
 	cf_debug_server "github.com/cloudfoundry-incubator/cf-debug-server"
@@ -31,6 +32,9 @@ import (
 	"syscall"
 	"time"

+	"net/http"
+	_ "net/http/pprof"
+
 	"github.com/cloudfoundry/gorouter/metrics"
 	"github.com/tedsuo/ifrit"
 	"github.com/tedsuo/ifrit/grouper"
@@ -47,6 +51,10 @@ const (
 )

 func main() {
+	go func() {
+		log.Println(http.ListenAndServe("localhost:6060", nil))
+	}()
+
 	flag.StringVar(&configFile, "c", "", "Configuration File")
 	cf_lager.AddFlags(flag.CommandLine)
 	flag.Parse()

Attaching:

go tool pprof http://localhost:6060/debug/pprof/profile

• run some load...

(before the waiting 30s)

• then run dot.. to convert to dot file..
• then:
  dot -Tpng mydot.dot < mydot.png