I also have this question. I know we have the hang report when hangs over than one second. When the main thread is unresponsive for 1 s or longer, the system also samples the app to capture a backtrace profile, highlighting where the app is spending its time during the hang. https://developer.apple.com/documentation/xcode/analyzing-responsiveness-issues-in-your-shipping-app#Analyze-hang-reports-to-determine-a-course-of-action but we don’t have the evidence that the MetricKit log also only have the logs over one second as well. Do we have any way to have the logs and call stack less than one second?