How to check each aws other region server with pixelstreaming RTT?

Development Programming & Scripting
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1

I am going to create Pixelstreaming Infra with AWS Server OSAKA,SINGAPORE,VIRGINIA ..
But I wonder how to check RTT each Country

I used to ‘Stat Pixelstreaming’ console command and checking on stats.
As figure out ‘packetSendDelay’ is a worth considering.
but Difference of PacketSendDelay is too small to distinguish for each Latency..
Any Advice?