After enabling xdebug profiler, you get cachegrind.out.* file
What program you can use to open that file?
The answer is WinCacheGrind.
Link download here:
http://nchc.dl.sourceforge.net/project/wincachegrind/wincachegrind/wincachegrind-1.0.0.12/wincachegrind-1.0.0.12.exe