code: def collapse_times():
      
      orig_ts = f.timer_stack
      orig_ls = f.loop_stack
      copy_ts = _copy_timer_stack()
      copy_ls = copy.deepcopy(f.loop_stack)
      f.timer_stack = copy_ts
      f.loop_stack = copy_ls
      f.refresh_shortcuts()
      while (len(f.timer_stack) > 1) or f.t.in_loop:
          _collapse_subdivision()
      timer_pub.stop()
      collapsed_times = f.r
      f.timer_stack = orig_ts  # (loops throw error if not same object!)
      f.loop_stack = orig_ls
      f.refresh_shortcuts()
      return collapsed_times
docs: Make copies of everything, assign to global shortcuts so functions work
      on them, extract the times, then restore the running stacks.