Thread Sanitizer explained: Data Races in Swift
The Thread Sanitizer, also known as TSan, is an LLVM based tool to audit threading issues in your Swift and C language written code. It was first introduced in Xcode 8 and can be a great tool to find less visible bugs in your code, like data races. At WeTransfer, the Thread Sanitizer helped us solve flaky tests and weird crashes that we couldn’t really pinpoint to a certain cause. You might not ha
OSLog and Unified logging as recommended by Apple
OSLog is a replacement for print, and NSLog and Apple’s recommended way of logging. It has different logging levels, like debugging, warning, and error logs. Altogether, it allows you to create an enriched logging experience fitting nicely in Xcode 15’s new logging console. OSLog has a low-performance overhead and is archived on the device for later retrieval. You can read logs using the external
LLDB Cheat Sheet
lldb_cheat_sheet.md LLDB Cheat Sheet A complete gdb to lldb command map. Print out Print object (lldb) po responseObject (lldb) po [responseObject objectForKey@"state"] p - Print primitive type Breakpoints List breakpoints br l br delete - Delete breakpoint (lldb) br delete 1 br e - Enable breakpoint br di - Disable breakpoint b - Add breakpoint (lldb) b MyViewController.m:30 br set - Add symbolic
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