Control Logging of CloudKit in Xcode

App & System Services iCloud
aharriscrowne OP
Created 2h
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This post is from the WWDC26 iCloud & CloudKit Q&A.

I often struggle to see my own log data with the heavy stream of CloudKit updates. Is there an easy way to filter that our or turn it on/off?

Answered by Frameworks Engineer in 890755022

By default Xcode streams all logs for the process when a debugger is attached which includes logs emitted by CloudKit.

Xcode provides similar support to Console to allow you to quickly filter logs, please see Customizing Logging Behavior While Debugging.

Otherwise, if there are specific log lines you believe should be suppressed, please feel free to file feedback including examples of the offending lines.

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Frameworks Engineer OP
Apple
1h
Recommended

By default Xcode streams all logs for the process when a debugger is attached which includes logs emitted by CloudKit.

Xcode provides similar support to Console to allow you to quickly filter logs, please see Customizing Logging Behavior While Debugging.

Otherwise, if there are specific log lines you believe should be suppressed, please feel free to file feedback including examples of the offending lines.
aharriscrowne OP
1h

Thanks, that's helpful. With Xcode filtering, what is the name of the subsystem I should target to remove CloudKit / iCloud messages?

Frameworks Engineer OP
Apple
1h
Accepted Answer

You can use the com.apple.cloudkit subsystem filter

Control Logging of CloudKit in Xcode
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