go/{mirko,statusz}: enable profiling

Change-Id: I5f1a51f349196f2a187e484f44fdbff5d0acde3f
diff --git a/go/mirko/mirko.go b/go/mirko/mirko.go
index 78dbda1..f4c45eb 100644
--- a/go/mirko/mirko.go
+++ b/go/mirko/mirko.go
@@ -6,6 +6,7 @@
 	"fmt"
 	"net"
 	"net/http"
+	"net/http/pprof"
 	"os"
 	"os/signal"
 	"sort"
@@ -103,6 +104,13 @@
 	})
 	m.httpMux.HandleFunc("/debug/requests", trace.Traces)
 
+	// pprof endpoints
+	m.httpMux.HandleFunc("/debug/pprof/", pprof.Index)
+	m.httpMux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
+	m.httpMux.HandleFunc("/debug/pprof/profile", pprof.Profile)
+	m.httpMux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
+	m.httpMux.HandleFunc("/debug/pprof/trace", pprof.Trace)
+
 	// -z legacy URLs
 	m.httpMux.HandleFunc("/statusz", func(w http.ResponseWriter, r *http.Request) {
 		http.Redirect(w, r, "/debug/status", http.StatusSeeOther)
@@ -113,6 +121,9 @@
 	m.httpMux.HandleFunc("/requestz", func(w http.ResponseWriter, r *http.Request) {
 		http.Redirect(w, r, "/debug/requests", http.StatusSeeOther)
 	})
+	m.httpMux.HandleFunc("/profilez", func(w http.ResponseWriter, r *http.Request) {
+		http.Redirect(w, r, "/debug/pprof", http.StatusSeeOther)
+	})
 
 	// root redirect
 	m.httpMux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
diff --git a/go/statusz/statusz.go b/go/statusz/statusz.go
index 20d5151..84f7f92 100644
--- a/go/statusz/statusz.go
+++ b/go/statusz/statusz.go
@@ -118,7 +118,8 @@
 Running as {{.Username}} on <a href="{{.PublicAddress}}">{{.Hostname}}</a><br>
 Load {{.LoadAvg}}<br>
 View <a href=/debug/status>status</a>,
-	<a href=/debug/requests>requests</a>
+	<a href=/debug/requests>requests</a>,
+	<a href=/debug/pprof>profile</a>
 </div>
 <div style="clear: both;"> </div>
 </div>`