socketfilterfw process eats 130-160% CPU while Xcode running, macbook is ready to fly

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In the latest Xcode I systematically get dramatic slow-down by socketfilterfw process. It takes my MacBook almost to fly with over than 100% CPU usage.

It can be stopped only by killing this process.

What is wrong with Xcode?

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It seems that the problem was in Brandmauer (Firewall Settings)!

My Xcode was blocked for incoming connections. Now after "allow" choice I almost have no that problem with socketfilterfw process eating CPU.

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