_ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv

_ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv.m

_ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv()
    QuartzCore:CA::Transaction::observer_callback:
        CA::Transaction::commit();
            CA::Context::commit_transaction();
                CA::Layer::layout_and_display_if_needed();
                    CA::Layer::layout_if_needed();
                        [CALayer layoutSublayers];
                            [UIView layoutSubviews];
                    CA::Layer::display_if_needed();
                        [CALayer display];
                            [UIView drawRect];