SwiftUI instrument in iOS27 betas "Failed to stop recording session: Data Providers emitted errors: Required"

Developer Tools & Services Instruments
ziggmike OP
Created 2w
Replies 3
Boosts 1
Views 298
Participants 3

i've been struggling to get the SwiftUI instrument to work during the betas. It never produces any results on simulator, while on device it throws an error which prevents any results from other instruments from appearing.

the error is: Failed to stop recording session: Data Providers emitted errors: Required

I've tried on my iPad Pro 11-inch (M4) (iPadOS27 beta 3), and iPhone 17 Pro Max (iPadOS27 beta 2). And I get the same result running from my mac studio & MacBook air.

Is this a known thing?

cheers,

Mike

Replies  3
Boosts  1
Views  298
Participants  3
ben288 OP
2w

I'm having the same issue. Running on my iPhone 17 (iOS 27.0 public beta).
ben288 OP
2w

I also tried on iPadOS 26.5.2 with Xcode 26.6 and hit the same issue (SwiftUI instrument causes all instruments to report nothing on stop). On-device logs show swiftuitraced never launches (launchd reports com.apple.swiftuitracingsupport.xpc doesn't exist), and DTServiceHub crashes in SwiftUITracingSupport at recording stop while draining the session, which is why other instruments' lanes come up empty too.

Filed as FB23807146 with traces, crash reports, and a sysdiagnose; see also thread 812557.

(That feedback is from a different account; sorry, didn't realize I was logged in on a separate Apple ID.)

Developer Tools Engineer OP
Apple
2w

Thank you for the report. This is a known issue that we're working on addressing!

I do expect that the crash issue is different than the 'Required provider' issue. I will make sure that both of them are looked at.

Kacper

SwiftUI instrument in iOS27 betas "Failed to stop recording session: Data Providers emitted errors: Required"
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