Latency monitor
Press CTRL+ALT+DELETE > Go to Task Manager > Click on the Performance Tab > Click on the Resource Manager at the bottom > Click on the Network Tab > Expand the TCP connections > Look for the Gw2.exe process, at the top, so you can filter which ones it shows, and then look under the Latency tab.
This is how you do it on Windows 7.
So much troubles to add a simple latency monitor like EVERY game has? Even babo violent 2 a game of 6MB has one -.-