Musings on iOS and PHP development, IOT and other bits and pieces It’s straight forward to generate Xdebug profiler output and visualise the bottlenecks associated with running any request that’s run through the PHP stack. Here’s how you’d install PHP, Xdebug and Kcachegrind (qcachegrind) on OSX 10.9 Mavericks and get some in depth info on your php app. Install Homebrew Make sure you have homebrew