Sampling process 24299 for 3 seconds with 1 millisecond of run time between samples Sampling completed, processing symbols... Analysis of sampling mc (pid 24299) every 1 millisecond Call graph: 2543 Thread_34556 DispatchQueue_1: com.apple.main-thread (serial) 2543 start 2543 main 2543 do_nc 2543 run_dlg 2543 dlg_process_event 2543 panel_callback 2543 do_cd 2543 _do_panel_cd 2543 do_subshell_chdir 2543 feed_subshell 2543 __sigsuspend Total number in stack (recursive counted multiple, when >=5): Sort by top of stack, same collapsed (when >= 5): __sigsuspend 2543 Sample analysis of process 24299 written to file /dev/stdout