cmd/geth, mobile: add memsize to pprof server (#16532)

* cmd/geth, mobile: add memsize to pprof server

This is a temporary change, to be reverted before the next release.

* cmd/geth: fix variable name

mobile/geth.go

@@ -29,6 +29,7 @@ import (
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/ethereum/go-ethereum/ethstats"
+	"github.com/ethereum/go-ethereum/internal/debug"
 	"github.com/ethereum/go-ethereum/les"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
@@ -72,6 +73,9 @@ type NodeConfig struct {
 
 	// WhisperEnabled specifies whether the node should run the Whisper protocol.
 	WhisperEnabled bool
+
+	// Listening address of pprof server.
+	PprofAddress string
 }
 
 // defaultNodeConfig contains the default node configuration values to use if all
@@ -107,6 +111,11 @@ func NewNode(datadir string, config *NodeConfig) (stack *Node, _ error) {
 	if config.BootstrapNodes == nil || config.BootstrapNodes.Size() == 0 {
 		config.BootstrapNodes = defaultNodeConfig.BootstrapNodes
 	}
+
+	if config.PprofAddress != "" {
+		debug.StartPProf(config.PprofAddress)
+	}
+
 	// Create the empty networking stack
 	nodeConf := &node.Config{
 		Name:        clientIdentifier,
@@ -127,6 +136,8 @@ func NewNode(datadir string, config *NodeConfig) (stack *Node, _ error) {
 		return nil, err
 	}
 
+	debug.Memsize.Add("node", rawStack)
+
 	var genesis *core.Genesis
 	if config.EthereumGenesis != "" {
 		// Parse the user supplied genesis spec if not mainnet