diff --git a/weed/util/duration.go b/weed/util/duration.go
new file mode 100644
index 000000000..41d736839
--- /dev/null
+++ b/weed/util/duration.go
@@ -0,0 +1,21 @@
+package util
+
+import (
+	"fmt"
+	"time"
+)
+
+func FormatDuration(d time.Duration) string {
+	if days := d / (time.Hour * 24); days > 0 {
+		hours := d % (time.Hour * 24) / time.Hour
+		return fmt.Sprintf("%d days %d hours", int(days), int(hours))
+	} else if hours := d / time.Hour; hours > 0 {
+		minutes := d % time.Hour / time.Minute
+		return fmt.Sprintf("%d hours %d minutes", int(hours), int(minutes))
+	} else {
+		minutes := d / time.Minute
+		seconds := d % time.Minute / time.Second
+		return fmt.Sprintf("%d minutes %d seconds", int(minutes), int(seconds))
+	}
+	return d.String()
+}
diff --git a/weed/weedserver/master_server.go b/weed/weedserver/master_server.go
index 739f42589..cba715573 100644
--- a/weed/weedserver/master_server.go
+++ b/weed/weedserver/master_server.go
@@ -83,6 +83,7 @@ func NewMasterServer(r *mux.Router, port int, metaFolder string,
 	r.HandleFunc("/stats/counter", ms.guard.WhiteList(statsCounterHandler))
 	r.HandleFunc("/stats/memory", ms.guard.WhiteList(statsMemoryHandler))
 	r.HandleFunc("/debug/pprof/", ms.guard.WhiteList(pprof.Index))
+	r.HandleFunc("/debug/pprof/trace", ms.guard.WhiteList(pprof.Trace))
 	r.HandleFunc("/debug/pprof/{name}", ms.guard.WhiteList(pprof.Index))
 
 	ms.Topo.StartRefreshWritableVolumes()
diff --git a/weed/weedserver/master_server_handlers_ui.go b/weed/weedserver/master_server_handlers_ui.go
index 4cd6a3063..ac52ffb2a 100644
--- a/weed/weedserver/master_server_handlers_ui.go
+++ b/weed/weedserver/master_server_handlers_ui.go
@@ -13,7 +13,7 @@ import (
 func (ms *MasterServer) uiStatusHandler(w http.ResponseWriter, r *http.Request) {
 	infos := make(map[string]interface{})
 	infos["Version"] = util.VERSION
-	infos["Up Time"] = time.Now().Sub(startTime).String()
+	infos["Up Time"] = util.FormatDuration(time.Now().Sub(startTime))
 	args := struct {
 		Version  string
 		Topology interface{}
diff --git a/weed/weedserver/volume_server.go b/weed/weedserver/volume_server.go
index 726b36b63..1d19aa10a 100644
--- a/weed/weedserver/volume_server.go
+++ b/weed/weedserver/volume_server.go
@@ -67,6 +67,7 @@ func NewVolumeServer(adminMux, publicMux *http.ServeMux, ip string,
 	adminMux.HandleFunc("/stats/memory", vs.guard.WhiteList(statsMemoryHandler))
 	adminMux.HandleFunc("/stats/disk", vs.guard.WhiteList(vs.statsDiskHandler))
 	adminMux.HandleFunc("/debug/pprof/", vs.guard.WhiteList(pprof.Index))
+	adminMux.HandleFunc("/debug/pprof/trace", vs.guard.WhiteList(pprof.Trace))
 	adminMux.HandleFunc("/debug/pprof/{name}", vs.guard.WhiteList(pprof.Index))
 	adminMux.HandleFunc("/delete", vs.guard.WhiteList(vs.batchDeleteHandler))
 	adminMux.HandleFunc("/", vs.privateStoreHandler)
diff --git a/weed/weedserver/volume_server_handlers_ui.go b/weed/weedserver/volume_server_handlers_ui.go
index 3e5f51ecd..1d4b4a74d 100644
--- a/weed/weedserver/volume_server_handlers_ui.go
+++ b/weed/weedserver/volume_server_handlers_ui.go
@@ -13,7 +13,7 @@ import (
 func (vs *VolumeServer) uiStatusHandler(w http.ResponseWriter, r *http.Request) {
 	infos := make(map[string]interface{})
 	infos["Version"] = util.VERSION
-	infos["Up Time"] = time.Now().Sub(startTime).String()
+	infos["Up Time"] = util.FormatDuration(time.Now().Sub(startTime))
 	var ds []*stats.DiskStatus
 	for _, loc := range vs.store.Locations {
 		if dir, e := filepath.Abs(loc.Directory); e == nil {