site_archiver@lists.apple.com Delivered-To: cocoa-dev@lists.apple.com User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 On 5/22/19 11:20 AM, Casey McDermott wrote: Instruments shows the child view controller being deallocated improperly after a tab switch. Unfortunately it's either run the debugger or run Instruments, but not both. So it doesn't help narrow down to when the release happens, exactly. Instruments has an Allocations list that shows caller and stack trace for allocation of each object, but nothing for release or deallocation. If Apple views this list- adding release/dealloc info in Instruments-Allocations would by extremely useful. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/site_archiver%40lists.appl... This email sent to site_archiver@lists.apple.com In the Statistic / Allocation Summary list, find the class you want, select that row, and then click the little right arrow to the right of the name. That will open a new list of specific instances of that class. Then pick one of these rows, and again click the little right arrow icon. You'll then see a log of retain/release/autorelease for that instance.