etcdserver/api/v2http, Documentation: fix debug pprof index miss / in end

Documentation/op-guide/configuration.md

@@ -276,7 +276,7 @@ Follow the instructions when using these flags.
 ## Profiling flags
 
 ### --enable-pprof
-+ Enable runtime profiling data via HTTP server. Address is at client URL + "/debug/pprof"
++ Enable runtime profiling data via HTTP server. Address is at client URL + "/debug/pprof/"
 + default: false
 
 [build-cluster]: clustering.md#static

Documentation/v2/configuration.md

@@ -266,7 +266,7 @@ Follow the instructions when using these flags.
 ## Profiling flags
 
 ### --enable-pprof
-+ Enable runtime profiling data via HTTP server. Address is at client URL + "/debug/pprof"
++ Enable runtime profiling data via HTTP server. Address is at client URL + "/debug/pprof/"
 + default: false
 
 [build-cluster]: clustering.md#static

etcdmain/config.go

@@ -259,7 +259,7 @@ func NewConfig() *config {
 	fs.IntVar(&cfg.autoCompactionRetention, "auto-compaction-retention", 0, "Auto compaction retention for mvcc key value store in hour. 0 means disable auto compaction.")
 
 	// pprof profiler via HTTP
-	fs.BoolVar(&cfg.enablePprof, "enable-pprof", false, "Enable runtime profiling data via HTTP server. Address is at client URL + \"/debug/pprof\"")
+	fs.BoolVar(&cfg.enablePprof, "enable-pprof", false, "Enable runtime profiling data via HTTP server. Address is at client URL + \"/debug/pprof/\"")
 
 	// ignored
 	for _, f := range cfg.ignored {

etcdmain/help.go

@@ -146,6 +146,6 @@ given by the consensus protocol.
 	
 profiling flags:
 	--enable-pprof 'false'
-		Enable runtime profiling data via HTTP server. Address is at client URL + "/debug/pprof"
+		Enable runtime profiling data via HTTP server. Address is at client URL + "/debug/pprof/"
 `
 )

etcdserver/api/v2http/client.go

@@ -113,7 +113,7 @@ func NewClientHandler(server *etcdserver.EtcdServer, timeout time.Duration) http
 	if server.IsPprofEnabled() {
 		plog.Infof("pprof is enabled under %s", pprofPrefix)
 
-		mux.HandleFunc(pprofPrefix, pprof.Index)
+		mux.HandleFunc(pprofPrefix+"/", pprof.Index)
 		mux.HandleFunc(pprofPrefix+"/profile", pprof.Profile)
 		mux.HandleFunc(pprofPrefix+"/symbol", pprof.Symbol)
 		mux.HandleFunc(pprofPrefix+"/cmdline", pprof.Cmdline)