TimeDoctor is a tool to visualize execution traces of tasks, queues, cache behavior, etc. While originally targeting embedded media processors and includes specific features for analyzing audio/video streaming applications it has wider applicability.
This is a GUI tool for viewing an analyzing files in a Callgrind Format, generated by Xdebug Profiler ( http://xdebug.org/docs/profiler ) version 2.1.3 and higher. Java JRE 6+ required.