UIKit Benchmarking Drawing

UIKit+Benchmark.h

CADisplayLink *displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(refresh:)];

[displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];

counter = 0;
previousTimestamp = displayLink.timestamp;

- (void)refresh:(CADisplayLink *)displayLink {
    counter++;
    if (counter > 60) {
        CGFloat timePerFrame = (displayLink.timestamp - previousTimestamp) / 60.0;
        NSLog(@"Time per frame: %f", timePerFrame);
        previousTimestamp = displayLink.timestamp;
        counter = 0;
    }
    [self bringTheViewOnScreen];
}